ASSP Power Supply Applications DC/DC Converter with Synchronous R

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ASSP Power Supply Applications DC/DC Converter with Synchronous R

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DS04-27242-1Ea
ASSP Power Supply Applications
DC/DC Converter with Synchronous Rectification
MB39A115
DESCRIPTION
MB39A115 5-channel DC/DC converter using pulse width modulation (PWM) MB39A115 suitable conversion, down conversion, up/down converstion. MB39A115 built channels into TSSOP-38P/BCC-40P package operates maximum and, this control soft-start each channel. MB39A115 suitable power supply high performance potable instruments such digital still camera (DSC).
FEATURES
Supports down-conversion with synchronous rectification (ch.1) Supports down-conversion up/down Zeta conversion (ch.2 ch.4) Supports up-conversion up/down Sepic conversion (ch.5) voltage start-up (ch.5) Power supply voltage range Reference voltage Error amplifier threshold voltage (ch.1) 1.23 (ch.2 ch.5) Oscillation frequency range Standby current (Typ) Built-in soft-start circuit independent loads Built-in totem-pole type output Short-circuit detection capability external signal (-INS terminal)
Copyright©2006-2008 FUJITSU MICROELECTRONICS LIMITED rights reserved 2006.4
MB39A115
ASSIGNMENTS
VIEW
-INE2 DTC2 CTL3 CTL4 CTL5 -INS VREF CSCP DTC3 -INE3
-INE1 VCCO OUT1-1 OUT1-2 OUT2 OUT3 OUT4 OUT5 GNDO -INE5 DTC5 DTC4 -INE4
(FPT-38P-M03)
(Continued)
MB39A115
(Continued)
VIEW (Penetration diagram from surface)
VCCO -INE2 -INE1 DTC2
OUT1-1
CTL3 CTL4 CTL5 -INS VREF
OUT1-2 OUT2 OUT3 OUT4 OUT5 GNDO -INE5
DTC5
CSCP
DTC3
-INE3
-INE4
(LCC-40P-M07)
DTC4
MB39A115
DISCRIPTIONS
Block name TSSOP ch.1 ch.2 ch.3 ch.4 ch.5 OUT1-1 OUT1-2 DTC2 -INE2 OUT2 DTC3 -INE3 OUT3 DTC4 -INE4 OUT4 DTC5 -INE5 OUT5 name -INE1 Description Error amplifier output terminal. Error amplifier inverted input terminal. Soft-start setting capacitor connection terminal. P-ch drive output terminal. (External main side gate driving) N-ch drive output terminal. (External synchronous rectification side gate driving) Dead time control terminal. Error amplifier output terminal. Error amplifier inverted input terminal. Soft-start setting capacitor connection terminal. P-ch drive output terminal. Dead time control terminal. Error amplifier output terminal. Error amplifier inverted input terminal. Soft-start setting capacitor connection terminal. P-ch drive output terminal. Dead time control terminal. Error amplifier output terminal. Error amplifier inverted input terminal. Soft-start setting capacitor connection terminal. P-ch drive output terminal. Dead time control terminal. Error amplifier output terminal. Error amplifier inverted input terminal. Soft-start setting capacitor connection terminal. N-ch drive output terminal. Triangular wave frequency setting capacitor connection terminal. Triangular wave frequency setting resistor connection terminal. (Continued)
MB39A115
(Continued) Block name TSSOP Control Power name CTL3 CTL4 CTL5 CSCP -INS VCCO VREF GNDO Description Power supply control terminal. ch.3 control terminal. ch.4 control terminal. ch.5 control terminal. Short-circuit detection circuit capacitor connection terminal. Short-circuit detection comparator inverted input terminal. Drive output block power supply terminal. Power supply terminal. Reference voltage output terminal. Drive output block ground terminal. Ground terminal.
MB39A115
BLOCK DIAGRAM
-INE1 VREF priority Error Amp1 <<ch.1>> VCCO Drive1-1 P-ch VCCO
Comp.1
Dead Time
OUT1-1
Threshold voltage
Drive1-2 N-ch VCCO <<ch.2>>
OUT1-2
Dead Time -INE2 VREF priority Error Amp2 1.23 DTC2 -INE3 Threshold voltage 1.23 VREF priority Error Amp3 1.23 DTC3 -INE4 Threshold voltage 1.23 VREF priority Error Amp4 1.23 DTC4 -INE5 Threshold voltage 1.23 VREF priority Error Amp5 1.23 DTC5 priority Comp.5 priority Comp.4 priority Comp.3 priority Comp.2
Drive2 P-ch VCCO
OUT2
<<ch.3>>
Drive3 P-ch
OUT3
VCCO <<ch.4>>
Drive4 P-ch
OUT4
VCCO <<ch.5>>
Drive5 N-ch
OUT5 GNDO
Threshold voltage 1.23 VREF Comp.
VCCO
Short-circuit detection signal short-circuit) CSCP
-INS
CTL3 CTL4 CTL5
CHCTL
release UVLO UVLO2 UVLO1
Error Power supply Comp. Power supply Error Reference 1.23 bias Power VREF ON/OFF Accuracy 0.8% VREF
(Power (standby mode)
MB39A115
ABSOLUTE MAXIMUM RATINGS
Parameter Power supply voltage Output current Peak output current Power dissipation Storage temperature Symbol TSTG Condition VCC, VCCO terminals OUT1 OUT5 terminals OUT1 OUT5 terminals Duty 1/fOSC Duty) (TSSOP-38P) (BCC-40P) Rating 1680*1 1020*2 +125 Unit
When mounted FR-4 boards. When mounted FR-4 boards. WARNING: Semiconductor devices permanently damaged application stress (voltage, current, temperature, etc.) excess absolute maximum ratings. exceed these ratings.
RECOMMENDED OPERATING CONDITIONS
Parameter Start power supply voltage Power supply voltage Reference voltage output current Input voltage Symbol IREF VINE VDTC Control Input voltage Output current Oscillation frequency Timing capacitor Timing resistor Soft-start capacitor Short-circuit detection capacitor Reference voltage output capacitor Operating ambient temperature VCTL fOSC CSCP CREF Condition VCC, VCCO terminals (ch.5) VCC, VCCO terminals (ch.1 ch.5) VREF terminal -INE1 -INE5 terminals -INS terminal DTC2 DTC5 terminals CTL, CTL3 CTL5 terminals OUT1 OUT5 terminals terminals Value VREF VREF Unit
Refer SETTING TRIANGULAR WAVE OSCILLATION FREQUENCY".
MB39A115
WARNING: recommended operating conditions required order ensure normal operation semiconductor device. device's electrical characteristics warranted when device operated within these ranges. Always semiconductor devices within their recommended operating condition ranges. Operation outside these ranges adversely affect reliability could result device failure. warranty made with respect uses, operating conditions, combinations represented data sheet. Users considering application outside listed conditions advised contact their representatives beforehand.
MB39A115
ELECTRICAL CHARACTERISTICS
(VCC VCCO Parameter Symbol VREF1 Output voltage Reference Voltage Block [VREF] Input stability Load stability Temperature stability Short-circuit output current Under voltage lockout protection circuit Block (ch.1 ch.4) [UVLO2] Under voltage lockout protection circuit Block (ch.5) [UVLO1] Threshold voltage Hysteresis width Reset voltage Threshold voltage Hysteresis width Reset voltage VREF2 VREF3 Line Load VREF/ VREF VRST VRST ICSCP fosc1 fosc2 fOSC/ fOSC fOSC/ fOSC CS1, Conditions VREF VREF VREF VREF Value 1.98 2.00 2.02 Unit
1.975 2.000 2.025 1.975 2.000 2.025 0.05 1.55 1.35 0.02 1.27 0.65 -1.4 0.95 0.945 0.20* -300* 0.05 1.45 0.70 -1.0 1.00 1.0* 1.85 1.65 1.63 0.75 -0.6
Threshold Short-circuit voltage detection Block Input source [SCP] current Oscillation frequency Triangular Wave Oscillator Block [OSC] Frequency Input stability Frequency temperature stability Soft-Start Block Charge (ch.1, ch.2) current [CS1, CS2] Soft-Start Block Charge (ch.3 ch.5) current [CS3 CS5]
1.05 1.055
1.0*
-1.3
-1.0
-0.7
(Continued)
MB39A115
(VCC VCCO Parameter Symbol VTH1 VTH2 VTH/ ISOURCE ISINK VTH1 VTH2 VTH/ ISOURCE ISINK 0.65 0.65 -INE2 -INE5 0.65 0.65 Condition -INE1 Value Unit
Threshold voltage Temperature stability Input bias current
0.990 1.000 1.010 0.988 1.000 1.012 -120 0.1* 100* 1.4*
Error Block Voltage gain (ch.1) [Error Amp1] Frequency bandwidth Output voltage Output source current Output sink current Threshold voltage Temperature stability Input bias current Error Block Voltage gain (ch.2 ch.5) [Error Amp2 Frequency Error Amp5] bandwidth Output voltage Output source current Output sink current
1.217 1.230 1.243 1.215 1.230 1.245 -120 0.1* 100* 1.4*
(Continued)
MB39A115
(Continued) (VCC VCCO Parameter Threshold Comparator voltage Block (ch.1 ch.5) [PWM Comp.1 Input current Comp.5] Output source current Output sink current Output Block (ch.1 ch.5) Output [Drive1 Drive5] resistor Dead time Short-Circuit Detection Block [SCP Comp.] Threshold voltage Input bias current Output condition Output condition Input current Standby current Power supply current Standard design value Note numbers referred present TSSOP-38P package. Symbol VT100 IDTC Condition Value 0.35 0.85 -2.0 0.97 -0.6 -300* 300* 1.00 0.45 0.95 1.03 Unit
Duty cycle Duty cycle 100% Duty 1/fOSC Duty) Duty 1/fOSC Duty)
ISOURCE ISINK ICTLH ICTLL ICCS ICCSO
-INS OUT2 OUT1 OUT1 OUT2
CTL, CTL3 CTL5 CTL, CTL3 CTL5 CTL, CTL3 CTL5 CTL, CTL3 CTL5 CTL, CTL3 CTL5
Control Block (CTL, CTL3 CTL5) [CTL, CHCTL]
General
MB39A115
TYPICAL CHARACTERISTICS
Power Supply Current Power Supply Voltage Power Supply Current (mA)
Reference Voltage Power Supply Voltage Reference Voltage VREF
VREF
Power Supply Voltage Reference Voltage Operating Ambient Temperature Reference Voltage VREF
2.05 2.04 2.03 2.02 2.01 2.00 1.99 1.98 1.97 1.96 1.95 VREF
Power Supply Voltage
Operaing Ambient Temperature Reference Voltage Terminal Voltage
Terminal Current Terminal Voltage Terminal Current ICTL (µA)
Reference Voltage VREF
VREF
Terminal Voltage VCTL
Terminal Voltage VCTL (Continued)
MB39A115
Triangular Wave Oscillation Frequency Timing Resistor Triangular Wave Oscillation Frequency fOSC (kHz)
10000
Triangular Wave Oscillation Frequency Timing Capacity Triangular Wave Oscillation Frequency fOSC (kHz)
10000 1000
1000
1000
1000
10000
Timing Resistor Triangular Wave Upper Lower Limit Voltage Triangular Wave Oscillation Frequency
1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20
1000 1200 1400 1600 1800 2000 2200
Timing Capacity (pF) Triangular Wave Upper Lower Limit Voltage Operating Ambient Temperature
1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 Lower limit
Triangular Wave Upper Lower Limit Voltage
Triangular Wave Upper Lower Limit Voltage
Upper limit
Upper limit
Lower limit
Triangular Wave Oscillation Frequency fOSC (kHz) Triangular Wave Oscillation Frequency Operating Ambient Temperature Triangular Wave Oscillation Frequency fOSC (kHz)
1100 1080 1060 1040 1020 1000
Operating Ambient Temperature
Operating Ambient Temperature
(Continued)
MB39A115
(Continued) Duty Terminal Voltage
Start Power Supply Voltage Timing Resistor Start Power Supply Voltage
Duty
Calculating value Measurement value
VCTL
0.65
0.75
0.85
Terminal Voltage VDTC Error Voltage Gain, Phase Frequency Error Voltage Gain (dB)
Timing Resistor
-135 -180
Phase (deg)
-225
Error Amp1 same other channels
Frequency (Hz) Power Dissipation Operating Ambient Temperature (for TSSOP-38P) Power Dissipation (mW)
1800 1600 1400 1200 1000
Power Dissipation Operating Ambient Temperature (for BCC-40P) Power Dissipation (mW)
2000 1800 1600 1400 1200 1000
2000
Operating Ambient Temperature
Operating Ambient Temperature
MB39A115
FUNCTIONAL DESCRIPTION
DC/DC Converter Function
Reference voltage block (VREF) reference voltage circuit uses voltage supplied from terminal (pin generate temperature compensated stable voltage (2.0 Typ) used reference voltage internal circuits also possible supply load current external circuits reference voltage through VREF terminal (pin Triangular wave oscillator block (OSC) triangular wave oscillator block generates triangular wave oscillation waveform width with timing resistor connected terminal (pin timing capacitor (CT) connected terminal (pin triangular wave input comparator circuits Error amplifier block (Error Amp1 Error Amp5) error amplifier detects output voltage DC/DC converter outputs control signals. arbitrary loop gain connecting feedback resistor capacitor from output terminal inverted input terminal error amplifier, enabling stable phase compensation system. prevent surge currents when turned connecting soft-start capacitors terminal (pin terminal (pin which noninverting input terminals error amplifier. started constant soft-start time intervals independent output load DC-DC converter. comparator block (PWM Comp.1 Comp.5) comparator block voltage-pulse width converter that controls output duty depending input/output voltage. external output transistor turned during intervals when error amplifier output voltage voltage higher than triangular wave voltage. Output block (Drive1 Drive5) output circuit uses totem-pole configuration capable driving external P-ch (main side ch.1, ch.2, ch.3 ch.4) N-ch (synchronous rectification side ch.1 ch.5).
MB39A115
Channel Control Function
terminal (pin terminal (pin 38), terminal (pin CTL3 terminal (pin CTL4 terminal (pin CTL5 terminal (pin ON/OFF main each channels. On/off setting conditions each channel CTL3 CTL4 CTL5 Power ch.1 ch.2 ch.3 ch.4 ch.5
Note Note that current which over stand-by current flows into terminal when terminal level terminals between CTL3 CTL5 terminals level. (Refer CTL3 CTL5 terminals equivalent circuit) CTL3 CTL5 terminals equivalent circuit
CTL3
CTL5 protection element
MB39A115
Protection Function
Timer-latch short circuit protection circuit (SCP, Comp.) short-circuit detection comparator (SCP) detects output voltage level each channel. output voltage channel lower than short-circuit detection voltage, timer circuit actuated start charging capacitor (Cscp) externally connected CSCP terminal (pin 15). When capacitor (Cscp) voltage becomes about output transistor turned dead time 100%. short-circuit detection from external input capable using -INS terminal (pin 10). When protection circuit actuated, power supply recycled terminal (pin level, resetting latch voltage VREF terminal (pin becomes 1.27 (Min) less (Refer "SETTING TIME CONSTANT TIMER-LATCH SHORT-CIRCUIT PROTECTION CIRCUIT") Under-voltage lockout protection circuit (UVLO) transient state momentary decrease power supply voltage, which occurs when power supply turned cause control malfunction, resulting breakdown degradation system. prevent such malfunctions, under-voltage lockout protection circuit detects decrease internal reference voltage level with respect power supply voltage, turns output transistor, sets dead time 100% while holding CSCP terminal (pin level. system returns normal state when power supply voltage reaches threshold voltage under-voltage lockout protection circuit.
PROTECTION CIRCUIT OPERATING FUNCTION TABLE
following table shows state that protection circuit operating. Operation circuit OUT1-1 OUT1-2 OUT2 Short-circuit protection circuit Under voltage lockout protection circuit OUT3 OUT4 OUT5
MB39A115
SETTING OUTPUT VOLTAGE
ch.1
-INE1
Error
1.00
1.00
refer above formula, then error amp's response slow.
ch.2 ch.5
-INEX
Error
1.23
1.23
Each channel number refer above formula, then error amp's response slow.
SETTING TRIANGULAR WAVE OSCILLATION FREQUENCY
triangular wave oscillation frequency connecting timing resistor terminal (pin timing capacitor (CT) terminal (pin 13). Triangular wave oscillation frequency fOSC 620000 (pF)
fOSC (kHz)
MB39A115
SETTING SOFT-START TIME
prevent rush currents when turned soft-start connecting soft-start capacitors (CS1 CS5) terminal (pin terminal (pin respectively. illustrated below, when each CTLX from "H", ch.1 ch.2 charge soft-start capacitors (CS1 CS2) externally connected terminals about When each CTLX from "L", ch.3 ch.5 charge soft-start capacitors (CS3 CS5) externally connected terminals about error amplifier output (FB1 terminals) determined comparison between lower voltage non-inverted input terminal voltage (1.23 (ch.1 terminal voltage) inverted input terminal voltage (-INE1 -INE5 terminal) terminal voltage decided soft-start period terminal voltage 1.23 (ch.1 comparison between -INE terminal voltage terminal voltage. DC/DC converter output voltage rises proportion terminal voltage soft-start capacitor externally connected terminal charged. soft-start time obtained from following formula Soft-start time (time until output 100%) ch.1 0.100 (µF) ch.2 0.123 (µF) ch.3 ch.5 1.23 (µF) Soft-start circuit (ch.1, ch.2)
VREF -INEX
priority
Error
V/1.23 CTLX
Each channel number
MB39A115
Soft-start circuit (ch.3 ch.5)
VREF -INEX
priority
Error
1.23
CTLX
CHCTL
Each channel number
MB39A115
PROCESSING WHEN USING TERMINAL
When soft-start function used, leave terminal (pin 38), terminal (pin terminal (pin 19), terminal (pin terminal (pin open. When setting soft-start time "Open"
"Open"
"Open"
"Open"
"Open"
MB39A115
SETTING TIME CONSTANT TIMER-LATCH SHORT-CIRCUIT PROTECTION CIRCUIT
Each channel uses short-circuit detection comparator (SCP Comp.) always compare error amplifier's output level reference voltage. While DC/DC converter load conditions stable channels, short-circuit detection comparator output remains level, CSCP terminal (pin held level. load condition channel changes rapidly short-circuit load, causing output voltage drop, output short-circuit detection comparator that channel goes level. This causes external short-circuit protection capacitor CSCP connected CSCP terminal (pin charged Short-circuit detection time tCSCP tCSCP 0.70 CSCP (µF) When capacitor CSCP charged threshold voltage (VTH 0.70 latch external turned (dead time 100%) this time, latch input closed CSCP terminal (pin held level. short-circuit detection from external input capable using -INS terminal (pin this case, shortcircuit detection operates when -INS terminal voltage becomes level threthold voltage (VTH less.
MB39A115
Note that latch reset voltage VREF terminal (pin decreased 1.27 (Min) less either recycling power supply setting terminal (pin level. Timer-latch short-circuit protection circuit
-INEX
Error
1.23 (ch.1
Comp.
each channel drive
CSCP VREF
Latch
UVLO
Each channel number
MB39A115
PROCESSING WHEN USING CSCP TERMINAL
disable timer-latch short-circuit protection circuit, connect CSCP terminal (pin shortest distance. Processing when using CSCP terminal
CSCP
MB39A115
SETTING DEAD TIME
When device step-up inverted output based step-up, step-up/down Zeta method, step down Sepic method, flyback method, terminal voltage reach exceed triangular wave voltage load fluctuation. this case, output transistor fixed full-ON state duty 100%). prevent this, maximum duty output transistor. When terminal opened maximum duty (Typ) because this built-in resistor which sets terminal voltage. disable terminal, connect VREF terminal (pin illustrated below (when dead time set). When dead time set: (Setting with built-in resistor 90%) When dead time set:
VREF
"Open"
DTCX DTCX
Each channel number
Each channel number
change maximum duty using external resistors, terminal voltage dividing resistance using VREF voltage. Refer "When dead time (Setting external resistors)." possible without regard built-in resistance value (including tolerance) when setting external resistance value 1/10 built-in resistance less. Note that VREF load current must such that total current channels does exceed When terminal voltage higher than triangular wave voltage, output transistor turned formula calculating maximum duty follows, assuming that triangular wave amplitude triangular wave lower limit voltage about respectively.
DUTY (ON)
VREF (condition
Note DUTY obtained above-mentioned formula calculated value. setting, refer Duty Terminal Voltage" TYPICAL CHARACTERISTICS".
MB39A115
When dead time (Setting external resistors)
VREF
DTCX
131.9
Comp.X
97.5
Each channel number
Setting example (for maximum duty (Vdt with 13.7 Calculation using external resistors only VREF 0.80
DUTY (ON) Max=
Calculation taking account built-in resistor (tolerance 20%) also (Rb, Combined resistance) (Ra, Combined resistance) (Rb, Combined resistance) 0.2% VREF 0.80 0.13%
DUTY (ON) Max=
Based above, selecting external resistances 1/10th less built-in resistance enables built-in resistance ignored. duty dispersion, please expect (fosc MHz) dispersion triangular wave amplitude.
MB39A115
OPERATION EXPLANATION WHEN TURNING
When turned internal reference voltage VREF generate. When VREF exceeds each threshold voltage (VTH1, UVLO1 UVLO2 (under voltage lockout protection circuit) UVLO1 UVLO2 released, operation output drive circuit each channel becomes possible. When off, VREF fall. When VREF decreases UVLO1 UVLO2 fall below each reset voltage (VRST1, UVLO operates output drive circuit each channel forcibly done operation stop, makes output state. period until reaching VREF voltage after UVLO1 UVLO2 released turning (refer Timing chart") period until decreasing VREF from after operating UVLO1 UVLO2 (refer Timing chart") bias voltage bias current reach prescribed value because VREF which reference voltage does reach speed response decreased. Moreover, when this period does input sudden charge load sudden charge turning CTL3 CTL5, cannot conform output might overshoot. Therefore, impress voltage terminal which VREF voltage never stays above-mentioned period. block equivalent circuit
ch.1 ch.4 output drive circuit Possible operate Forced stop charge/discharge circuit Possible charge Forced discharge ch.5 output drive circuit Possible operate Forced stop Error reference charge/discharge circuit Possible charge V/1.23 Forced discharge
UVLO2
UVLO release
UVLO1 bias
UVLO release
VREF Power ON/OFF
VREF
MB39A115
Timing chart
1.23 (Typ)
Error Reference voltage
VTH1
VTH2
VREF 2.00 (Typ)
VRST2 VRST1
Reference voltage VREF
UVLO5
UVLO5 release UVLO5 effect
UVLO1 UVLO4 release
UVLO1
UVLO1 UVLO4 effect Possible operate Fixed full Possible operate Fixed full
ch.5 Output Drive circuit control ch.1 ch.4 Output Drive circuit control
Fixed full
Fixed full
terminal voltage
(Typ)
MB39A115
ABOUT VOLTAGE OPERATION
more necessary terminal (pin VCCO terminal (pin self-power supply type step-up circuit start voltage. Even thereafter voltage decreases operation possible terminal voltage VCCO terminal voltage rise more after start-up. However, necessary exceed maximum duty value duty decrease. Including other channels, execute enough operation margin confirmation when using
<<ch.5>>
Step-up
-INE5
Error Amp5 1.23
Comp.5 Drive5 N-ch
VCCO OUT5
VREF
DTC5
Duty setting
MB39A115
EQUIVALENT CIRCUIT
Reference voltage block
1.23
Control block
protection element
VREF
Channel control block (ch.3 ch.5)
CTLX
protection element
protection element
Soft-start block
VREF (2.0
Short-circuit detection block
Short-circuit detection comparator block
VREF (2.0 CSCP
VREF (2.0 -INS
Triangular wave oscillator block (RT)
VREF (2.0 0.64
Triangular wave oscillator block (CT)
VREF (2.0
Error amplifier block (ch.1 ch.5)
VREF (2.0 -INEX (ch.1) 1.23 (ch.2 ch.5)
Each cannel (Continued)
MB39A115
(Continued) comparator block
VCCO
Output block (ch.1 ch.5)
DTCX
OUTX
GNDO
Each cannel
MB39A115
APPLICATION EXAMPLE
Step down (synchronous rectification)
-INE1 VCCO 0.1µF OUT1-1 V/600
<<ch.1>>
OUT1-2
Step down
-INE2 OUT2 V/400
<<ch.2>>
(5.5
DTC2 -INE3 0.15 DTC3 -INE4 0.15 DTC4 -INE5 0.15 DTC5 Short-circuit -INS detection signal short-circuit)
Step down
<<ch.3>> OUT3 V/200
Step down
<<ch.4>> OUT4 DVo4 V/100
Transformer
TVo5-1 V/40
<<ch.5>>
OUT5 GNDO
TVo5-3 V/-10
Charge current
2200
CSCP
CTL3 CTL4 CTL5 Accuracy (2.0 MHz) VREF
(Power (Standby state)
Accuracy
MB39A115
PARTS LIST
COMPONENT C13, C16, C17, C18, C21, C23, C22, C24, C27, R14, R17, R21, R19, R20, R33, Notes SANYO SUMIDA ITEM P-ch N-ch Diode Diode Inductor Inductor Inductor Inductor Transformer Ceramics Condenser Ceramics Condenser Ceramics Condenser Ceramics Condenser Ceramics Condenser Ceramics Condenser Ceramics Condenser Ceramics Condenser Ceramics Condenser Ceramics Condenser Ceramics Condenser Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor SPECIFICATION -1.0 (Max) 0.55 (Max) 0.15 2200 0.94 0.63 0.59A, 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% VENDOR SANYO SANYO SANYO SANYO SUMIDA PARTS MCH3307 MCH3408 SBS004 SB05-05CP RLF5018T-4R7M1R4 RLF5018T-100MR94 RLF5018T-220MR63 SLF6028T-470MR59 CLQ52 5388-T139 C3216JB1E105K C3216JB1E225K C3216JB1E105K C3216JB1E225K C1608JB1H104K C2012JB1A155K C1608JB1H104K C1608JB1C154K C1608JB1H104K C1608JB1H222K C1608CH1H101J RR0816P-511-D RR0816P-432-D RR0816P-243-D RR0816P-102-D RR0816P-153-D RR0816P-332-D RR0816P-223-D RR0816P-302-D RR0816P-433-D RR0816P-153-D RR0816P-102-D RR0816P-123-D RR0816P-104-D RR0816P-103-D RR0816P-333-D RR0816P-203-D RR0816P-622-D
SANYO Electric Co., Ltd. Corporation Sumida Corporation SUSUMU CO., LTD.
MB39A115
REFERENCE DATA
TOTAL Efficiency Input Voltage
TOTAL Efficiency
Vo5-1 Vo5-3 fosc setting
Input Voltage Each Channel Efficiency Input Voltage
Each Channel Efficiency
ch.4 ch.3
ch.2 ch.5
Vo5-1 Vo5-3 fosc setting
ch.1
Note Only concerned channel Including external driving current
Input Voltage
(Continued)
MB39A115
ch.1 ch.2 Efficiency Load Current
ch.2
ch.1 ch.2 Efficiency
(ch.1) (ch.2)
Discontinuance mode Discontinuance mode
ch.1
Note Only concerned channel Including external driving current
Load Current (mA)
ch.3 ch.4 Efficiency Load Current
ch.4
ch.3 ch.4 Efficiency
(ch.3) Discontinuance mode (ch.4) Discontinuance mode
ch.3
Note Only concerned channel Including external driving current
Load Current (mA)
(Continued)
MB39A115
ch.5 Efficiency Load Current
ch.5 Efficiency
ch.5 IO5-1 Discontinuance mode Notes Only feedback controlling output using transformer channel. TVO5-3 fixed Only concerned channel Including external driving current
Load Current (mA) (Continued)
MB39A115
Switching waveform
OUT1-1 OUT1-2 [µs] 0.05 0.10 0.15 0.25 0.35 0.45 ch.2 ch.1
OUT2
[µs]
OUT3
ch.3
[µs]
(Continued)
MB39A115
(Continued)
OUT4
ch.4
[µs]
OUT5 [µs]
ch.5 Vo5-1 Vo5-3 Io5-1 lo5-3
MB39A115
USAGE PRECAUTIONS
Printed circuit board ground lines should with consideration common impedance. Take appropriate static electricity measures. Containers semiconductor materials should have anti-static protection made conductive material. After mounting, printed circuit boards should stored shipped conductive bags containers. Work platforms, tools, instruments should properly grounded. Working personnel should grounded with resistance between body ground. apply negative voltages. negative voltages below -0.3 create parasitic transistors lines, which cause abnormal operation.
ORDERING INFORMATION
Part number MB39A115PFT MB39A115PV2 Package 38-pin plastic TSSOP (FPT-38P- M03) 40-pin plastic (LCC-40P-M07) Remarks
MB39A115
PACKAGE DIMENSIONS
38-pin plastic TSSOP
Lead pitch Package width package length Lead shape Sealing method Mounting height
0.50 4.40 9.70 Gullwing Plastic mold 1.10
(FPT-38P-M03)
38-pin plastic TSSOP (FPT-38P-M03)
9.70±0.10(.382±.004) 1.10(.043)
0~8°
0.60±0.10 (.024±.004)
0.25(.010)
INDEX
4.40±0.10 6.40±0.10 (.173±.004) (.252±.004)
0.10±0.10 (.004±.004)
0.50(.020) 0.90±0.05 (.035±.002)
0.127±0.05 (.005±.002)
0.10(.004) 9.00(.354)
2002 FUJITSU LIMITED F38003Sc-1-1
Dimensions (inches). Note: values parentheses reference values.
(Continued)
MB39A115
(Continued)
40-pin plastic
Lead pitch Package width package length Sealing method Mounting height Weight
0.50 6.00 6.00 Plastic mold 0.80 0.05
(LCC-40P-M07)
40-pin plastic (LCC-40P-M07)
6.00±0.10(.236±.004)
0.80(.031)MAX (Mount height)
5.20(.205)TYP 5.10(.201)TYP 0.50(.020) 0.50±0.10 (.020±.004)
0.14(.006) 6.00±0.10 (.236±.004) INDEX AREA 5.10(.201) 5.20(.205)
0.50(.020) 5.25(.207) 4.00(.157) 0.50±0.10 (.020±.004)
0.075±0.025 (.003±.001) (Stand off) 0.70±0.06 (.028±.002)
4.00(.157)REF 5.25(.207)REF Details part 0.55±0.06 (.022±.002)
Details part 0.14(.006) 0.05(.002)
Details part C0.20(.008) 0.55±0.06 (.022±.002)
0.60±0.06 (.024±.002)
0.30±0.06 (.012±.002)
0.55±0.06 (.022±.002)
0.55±0.06 (.022±.002)
2004 FUJITSU LIMITED C40057S-c-1-1
Dimensions (inches). Note: values parentheses reference values.
MB39A115
MEMO
MB39A115
MEMO
FUJITSU MICROELECTRONICS LIMITED
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ASSP Power Supply Applications DC/DC Converter with Synchronous R

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