AZ34063A monolithic switching regulator control circuit containing pri
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Preliminary Datasheet 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER General Description
AZ34063A monolithic switching regulator control circuit containing primary functions required DC-DC converters. This device consists internal temperature compensated reference, voltage comparator, controlled duty cycle oscillator with active current limit circuit, driver high current output switch. This device specifically designed used Step-Down, Step-Up Voltage-Inverting applications with minimum number external components. AZ34063A available packages: SOIC-8 DIP-8.
AZ34063A
Operation from 3.0V Input Standby Current Current Limiting Output Switch Current 1.5A Output Voltage Adjustable Operation Frequency 180KHz Precision Reference
Applications
Battery Chargers NICs/ Switches/ Hubs ADSL Modems Negative Voltage Power Supplies
SOIC-8
DIP-8
Figure Package Types AZ34063A
Apr. 2005 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER Configuration
Package (DIP-8/SOIC-8)
Switch Collector Switch Emitter Timing Capacitor Driver Collector Sense Comparator Inverting Input
AZ34063A
View
Figure Configuration AZ34063A
Functional Block Diagram
Driver Collector
Switch Collector
Sense
Switch Emitter
Timing Capacitor
Comparator Inverting Input
Figure Functional Block Diagram AZ34063A
Apr. 2005 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER Description
Number Name Switch Collector Switch Emitter Timing Capacitor Comparator Inverting Input Sense Driver Collector Function Internal switch transistor collector Internal switch transistor emitter Timing Capacitor control switching frequency Ground internal circuits Inverting input internal comparator Voltage supply Peak Current Sense Input monitoring voltage drop across external sense resistor limit peak current through switch Voltage driver collector
AZ34063A
Ordering Information
AZ34063A
Lead Free Blank: Lead Tape Reel Blank: Tube
Circuit Type Package SOIC-8 DIP-8
Package
Temperature Range 85oC 85oC
Part Number Lead AZ34063AM AZ34063AMTR AZ34063AP Lead Free AZ34063AM-E1 AZ34063AMTR-E1 AZ34063AP-E1
Marking Lead 34063AM 34063AM AZ34063AP Lead Free 34063AM-E1 34063AM-E1 AZ34063AP-E1 Packing Type Tube Tape Reel Tube
SOIC-8 DIP-8
Semiconductor's Pb-free products, designated with "E1" suffix part number, RoHS compliant.
Apr. 2005 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER Absolute Maximum Ratings (Note
Parameter Power Supply Voltage Comparator Input Voltage Range Switch Collector Voltage Switch Emitter Voltage (Vpin1=40V) Switch Collector Emitter Voltage Driver Collector Voltage Driver Collector Current (Note Switch Current Power Dissipation Thermal Characteristics Plastic Package, Power Dissipation Thermal Resistance SOIC Package, Power Dissipation Thermal Resistance Operating Junction Temperature Storage Temperature Range (Human body model) Symbol VC(switch) VE(switch) VCE(switch) VC(driver) IC(driver) Value -0.3 Unit
AZ34063A
TSTG
1.25 2000
Note Stresses greater than those listed under "Absolute Maximum Ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated under "Recommended Operating Conditions" implied. Exposure "Absolute Maximum Ratings" extended periods affect device reliability. Note Maximum package power dissipation limits must observed.
Recommended Operating Conditions
Parameter Supply Voltage Ambient Temperature
Symbol
Unit
Apr. 2005 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER Electrical Characteristics
(VCC 85oC, unless otherwise specified.)
AZ34063A
Parameter OSCILLATOR Frequency Charge Current Discharge Current
Symbol fOSC ICHG IDISCHG
Conditions VPin 25oC 25oC
Unit
Discharge Charge Current IDISCHG/ICHG 25oC Ratio Current Limit Sense Voltage OUTPUT SWITCH (Note Saturation Voltage, Dalington Connection Saturation Voltage (Note Current Gain Collector Off-State Current COMPARATOR Threshold Voltage Threshold Regulation Voltage Line REGLINE 25oC 85oC VCC, VPin VTH, VCE(sat) VCE(sat) IC(off) Pins connected RPin VCC, Forced 25oC VIPK(sense) ICHG IDISCHG, 25oC
0.45 0.01 1.225 1.21 1.250
1.275 1.29 -400
Input Bias Current TOTAL DEVICE Supply Current
Note duty cycle pulse technique used during test maintain junction temperature close ambient temperature possible. Note output switch driven into hard saturation (non-Darlington configuration) switch currents 300mA) high driver currents 30mA), take 2.0us come saturation. This condition will shorten time frequencies 30KHz, magnified high temperatures. This condition does occur with Darlington configuration, since output switch cannot saturate. non-Darlington configuration used, following output drive condition recommended:
Apr. 2005 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER Electrical Characteristics (Continued)
Forced output switch:
AZ34063A
output ICdriver 7.0mA*
resistor emitter driver device requires about before output switch conducts.
Typical Performance Characteristics
Ton-off. Output Switch On-Off Time
1000
toff
Vosc. Oscillator Voltage 200mV/DIV
VCC=5.0V 7=VCC 5=GND TA=25
VCC=5.0V 7=VCC 2=GND
1,5,8 open CT=1.0nF TA=25oC Time. s/DIV
CT,Oscillator Timing Capacitor (nF)
Figure Output Switch On-Off Time Oscillator Timing Capacitor
Figure Timing Capacitor Waveform
Icc. Supply Current (mA)
Frequency (KHz)
VCC=5.0V 7=VCC 5=GND TA=25
CT=1.0nF 7=VCC 2=GND
CT,Oscillator Timing Capacitor (nF)
Vcc. Supply Voltage
Figure Oscillator Frequency vs.Timing Capacitor
Figure Standard Supply Current Supply Voltage
Apr. 2005 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER Typical Performance Characteristics (Continued) AZ34063A
Saturation Voltage
Saturation Voltage
Darlington Connection
Forced
VCC=5.0V 1,7,8=VCC 3,5=GND TA=25 Emitter current
VCC=5.0V 7=VCC 2,3,5=GND TA=25
-0.1
Collector Current
Figure Emitter Follower Configuration Output Saturation Voltage Emitter current
Figure Common Emitter Configuration Output Switch Saturation Voltage Collector Current
Current Limit Sense Voltage (mV)
Temperature
Figure Current Limit Sense Voltage Temperature
Apr. 2005 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER Typical Applications AZ34063A
0.22
1N5819
1.25V Reference Regulator
1500
AZ34063A Vout 28V/175mA Vout Optional Filter
2.2k
Figure Step-Up Converter (Note Note This typical step-up converter configuration. steady state, resistor divider voltage greater than voltage non-inverting input, which 1.25V determined internal reference, output comparator will low. next swithching period, output switch will conduct output voltage will eventually drop below nominal voltage until divider voltage lower than 1.25V. Then output comparator will high, output switch will allowed conduct. Since Vpin5 VOUT R2/(R1+R2) 1.25(V), output voltage decided VOUT 1.25 (R1+R2)/R2 (V).
Apr. 2005 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER Typical Applications (Continued) AZ34063A
0.33
1N5819
1.25V Reference Regulator
AZ34063A
Vout Optional Filter
3.6k 1.2k
Vout 5V/500mA
Figure Step-Down converter (Note Note This typical step-down converter configuration. working process steady state similar step-up converter, Vpin5 VOUT R2/(R1+R2) 1.25 (V), output voltage decided VOUT 1.25 (R1+R2)/R2 (V).
Apr. 2005 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER Typical Applications (Continued) AZ34063A
0.24
4.5-6V
1.25V Reference Regulator
1500pF
1N5819
AZ34063A
8.2k
Vout -12V/100mA Optional Filter 1000
Vout
Figure Voltage Inverting Converter (Note
Note This typical inverting converter configuration. working process steady state similar step-up converter, difference this situation that voltage non-inverting comparator equal 1.25V+VOUT, then Vpin5 VOUT R2/(R1+R2) 1.25V+VOUT, output voltage decided VOUT -1.25 (R1+R2)/R1 (V).
Apr. 2005 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER Mechanical Dimensions SOIC-8 Unit: mm(inch) AZ34063A
4.800(0.189) 5.000(0.197)
1.350(0.053) 1.750(0.069)
0.320(0.013)
0.675(0.027) 0.725(0.029)
5.800(0.228) 6.200(0.244)
20:1
1.270(0.050)
0.100(0.004) 0.300(0.012) R0.150(0.006)
0.800(0.031) 0.200(0.008)
1.000(0.039) 3.800(0.150) 4.000(0.157)
0.330(0.013) 0.510(0.020) 0.900(0.035)
R0.150(0.006)
0.190(0.007) 0.250(0.010)
Apr. 2005 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER Mechanical Dimensions (continued) DIP-8 Unit: mm(inch) AZ34063A
0.700(0.028) 7.620(0.300)TYP 1.524(0.060)
3.710(0.146) 4.310(0.170)
3.200(0.126) 3.600(0.142)
3.000(0.118) 3.600(0.142)
0.510(0.020)MIN
0.254(0.010)TYP 0.360(0.014) 0.560(0.022) 2.540(0.100) 0.130(0.005)MIN
0.204(0.008) 0.360(0.014) 8.200(0.323) 9.400(0.370)
R0.750(0.030)
6.200(0.244) 6.600(0.260)
3.000(0.118) Depth 0.100(0.004) 0.200(0.008) 9.000(0.354) 9.400(0.370)
Apr. 2005 Rev.
Semiconductor Manufacturing Limited
http://www.bcdsemi.com
Semiconductor Corporation
3170 Cruz Blvd, Suite Santa Clara, 95054-2411, U.S.A Tel: +1-408-988 6388, Fax: +1-408-988 6386
Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd.
Shan Road, Shanghai 200233, Tel: +86-21-6485-1491, Fax: +86-21-5450-0008
Advanced Analog Circuits (Shanghai) Corporation
Zone, Shan Road, Shanghai 200233, Tel: +86-21-6495 9539, Fax: +86-21-6485 9673
Semiconductor (Taiwan) Company Limited
Room 2210, 22nd 333, Keelung Road, Sec. TaiPei (110), Taiwan Tel: +886-2-2758 6828, Fax: +886-2-2758 6892
IMPORTANT NOTICE Semiconductor Manufacturing Limited reserves right make changes without further notice products specifications herein. Semiconductor Manufacturing Limited does assume responsibility products particular purpose, does Semiconductor Manufacturing Limited assume liability arising application products circuits. Semiconductor Manufacturing Limited does convey license under patent rights other rights rights others.
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