Details subject change without notice SIX-CHANNEL DIGITAL STILL C
|
|
|
Top Searches for this datasheet
AAT1403B
Details subject change without notice
SIX-CHANNEL DIGITAL STILL CAMERA POWER SUPPLY
FEATURES
Complete Power Control Circuitry Input Voltage Range: 1.4V 6.5V Start-Up Voltage: 1.4V (CH6) Separate On/Off Control CH1~CH6 Supports Synchronous Boost Rectification (CH1,6) Supports Synchronous Buck Rectification (CH5) Supports Boost Conversion (CH2, Supports White Driver (CH4) Supports Inverting Conversion (CH3) Totem Pole Output Short Circuit Protection VQFN40 LQFP48 Package Oscillator Frequency: (±15%)
GENERAL DESCRIPTION
AAT1403B provides integrated six-channel pulse-width-modulation (PWM) solution power supply DC-DC converter; this device offers system engineer flexibility tailor-make power supply circuitry specific applications. Each channel contains error amplifier, comparator, dead-time control output driver. under-voltage protection, oscillator, short circuit protection voltage reference circuit common features channels. addition boost conversions inverting conversion, AAT1403B also three synchronous rectifiers.
APPLICATIONS
Digital Cameras Imaging Devices Camcorders
Advanced Analog Technology, Inc.
Page
AAT1403B
CONFIGURATION
(VQFN-40)
(LQFP-48)
FUNCTION TABLE
Condition
Channel Status
SD1= "Lo" SD1= "Hi" SD2= "Lo" SD2= "Hi" SD3= "Lo" SD3= "Hi" SD4= "Lo" SD4= "Hi" SD5= "Lo" SD5= "Hi" SD6= "Lo" SD6= "Hi"
Advanced Analog Technology, Inc.
Page
AAT1403B
DESCRIPTION (VQFN-40)
Name
DTC1 DTC5 DTC6
VREF
Function
ON/OFF Control Channel (CH1) ON/OFF Control Channel (CH5) ON/OFF Control Channel (CH6) Inverted Input Error Amplifier (EA1) Inverted Input Error Amplifier (EA5) Inverted Input Error Amplifier (EA6) Dead Time Control Channel (CH1) Output Error Amplifier (EA1) Dead Time Control Channel (CH5) Output Error Amplifier (EA5) Dead Time Control Channel (CH6) Output Error Amplifier (EA6) Reference Voltage 2.77V Output Ground Power Supply Reference Voltage 1.26V Output Short Circuit Protect Capacitor Connection ON/OFF Control Channel (CH4) ON/OFF Control Channel (CH3) ON/OFF Control Channel (CH2) Inverted Input Error Amplifier (EA4) Inverted Input Error Amplifier (EA4) Inverted Input Error Amplifier (EA3) Negative Input Error Amplifier (EA2) Output Error Amplifier (EA4) Output Error Amplifier (EA3) Output Error Amplifier (EA2) Dead Time Control Channel (CH4) Dead Time Control Channel (CH3) Dead Time Control Channel (CH2) Totem Pole Type Output Totem Pole Type Output Totem Pole Type Output Synchronous Rectifier Side Output Output Buffer Power Supply Totem Pole Type Output Totem Pole Type Output Synchronous Rectifier Side Output Totem Pole Type Output Synchronous Rectifier Side Output
IE4A DTC4 DTC3 DTC2 OUT2 OUT3 OUT4 OUT6_2 PVDD OUT6_1 OUT5_1 OUT5_2 OUT1_1 OUT1_2
Advanced Analog Technology, Inc.
Page
AAT1403B
DESCRIPTION (LQFP-48)
Name
DTC1 DTC5 DTC6
VREF
Function
ON/OFF Control Channel (CH1) ON/OFF Control Channel (CH5) ON/OFF Control Channel (CH6) Inverted Input Error Amplifier (EA1) Inverted Input Error Amplifier (EA5) Inverted Input Error Amplifier (EA6) Dead Time Control Channel (CH1) Output Error Amplifier (EA1) Dead Time Control Channel (CH5) Output Error Amplifier (EA5)
Dead Time Control Channel (CH6) Output Error Amplifier (EA6) Reference Voltage 2.77V Output Ground Power Supply Reference Voltage 1.26V Output Short Circuit Protect Capacitor Connection ON/OFF Control Channel (CH4) ON/OFF Control Channel (CH3) ON/OFF Control Channel (CH2)
IE4A DTC4 DTC3 DTC2 OUT2 OUT3 OUT4 OUT6_2 PVDD OUT6_1 OUT5_1 OUT5_2 OUT1_1 OUT1_2
Inverted Input Error Amplifier (EA4) Inverted Input Error Amplifier (EA4) Inverted Input Error Amplifier (EA3) Inverted Input Error Amplifier (EA2) Output Error Amplifier (EA4) Output Error Amplifier (EA3) Output Error Amplifier (EA2) Dead Time Control Channel (CH4) Dead Time Control Channel (CH3) Dead Time Control Channel (CH2)
Totem Pole Type Output Totem Pole Type Output Totem Pole Type Output Synchronous Rectifier Side Output Output Buffer Power Supply Totem Pole Type Output Totem Pole Type Output Synchronous Rectifier Side Output Totem Pole Type Output Synchronous Rectifier Side Output
Advanced Analog Technology, Inc.
Page
AAT1403B
BLOCK DAIGRAM
Advanced Analog Technology, Inc.
Page
AAT1403B
ABSOLUTE MAXIMUM RATINGS
Parameter Supply Voltage Input Voltage Symbol Value Unit
Output Voltage Output Current Output Peak Current 2µs, Duty5%) Operating Temperature Range Storage Temperature Range
+0.3 +200
opeak
Tstorage
RECOMMENDED OPERATING CONDITIONS
Parameter Startup Supply Voltage,CH6 Symbol 0.28 1.55 Unit
Operating Voltage, (CH1~CH6) Input Voltage, (IE1~IE6) Output Voltage Output Current (CH1~CH6) Output Current Error Amplifier Operating Free-Air Temperature
Advanced Analog Technology, Inc.
Page
AAT1403B
ELECTRICAL CHARACTERISTICS, 5.0V (UNLESS OTHERWISE SPECIFIED) (SEE NOTE
UNDER VOLTAGE PROTECTION
Parameter Symbol Test Condition Unit
Upper Threshold Voltage Lower Threshold Voltage Hysteresis VUPH VUPL
VUPH VUPL VHYS
2.53
2.72 2.47 0.25
2.91
SHORT CIRCUIT PROTECTION CONTROL
Parameter Symbol Test Condition Unit
Input Threshold Voltage Latch Reset Voltage Short-Circuit Detect Threshold Voltage Terminal Source Current
REFERENCE VOLTAGE
Parameter
Vtscd
CH1,2,4,5,6,
1.220 1.245 1.285 0.28 0.33 0.38 0.58 0.63 0.68
Test Conditions
Unit
Reference Voltage Short-Circuit Output Current Input Voltage Regulation Output Regulation Reference Voltage Change with Temperature
VREF VREF
-1mA 1.227 1.245 1.263 VREF -1mA 3.0V 6.5V -0.1mA
VREF
Note Typical values parameters except
VREF
VREF
specified
Advanced Analog Technology, Inc.
Page
AAT1403B
ELECTRICAL CHARACTERISTICS, 5.0V (UNLESS OTHERWISE SPECIFIED) (SEE NOTE (CONT.)
(ERROR AMPLIFIER)
Parameter Symbol Test Condition
Unit
Threshold Voltage
VTH3 VTH4 VTH4A IOS+
Input Bias Current Input Voltage Range Open-Loop Voltage Amplification Unity-Gain Bandwidth Output Voltage Swing Output Sink Current Output Source Current
DEAD-TIME CONTROL
Parameter
CH1,2,5,6 CH1~6 0.28V 1.55V CH1~6
1.227 0.768 1.227 0.352 0.28
1.245 0.783 1.245 0.370
1.263 0.798 1.263 0.388 1.55
OE=0.7V OE=0.7V
Symbol
Test Condition
Unit
Input Bias Current Input Threshold Voltage (DTC1,2,4,5) Input Threshold Voltage (DTC6) Input Threshold Voltage(DTC3)
BDTC Vd100 V6d0 V6d100 V3d0 V3d100
VDTC 0.2V 1.3V
Duty 500kHz 0.323 0.423 Duty 100%, 1.125 1.225 500kHz Duty 500kHz 0.223 0.323 Duty 100%, 1.025 1.125 500kHz Duty=0%, =500kHz Duty=100%, =500kHz 1.125 1.225
0.323 0.423
Advanced Analog Technology, Inc.
Page
AAT1403B
ELECTRICAL CHARACTERISTICS, 5.0V (UNLESS OTHERWISE SPECIFIED) (SEE NOTE (CONT.)
OUTPUT STAGE
Parameter Symbol
Output Resistor
SHUTDOWN Parameter High Level Level Input Current OPERATING CURRENT
Parameter Symbol
15mA (CH1~CH5)
Test Condition
Unit
-15mA (CH6) 15mA (CH1~CH5) 15mA (CH6)
Symbol Test Condition Active Mode Stand-by Mode CH1~CH6
Unit
Test Condition
Supply Current
DD-OFF SD1~SD6= DD-ON SD1~SD6= "Hi"
Unit
Advanced Analog Technology, Inc.
Page
AAT1403B
APPLICATION CIRCUIT
Synchronous Solution
Non-Synchronous Solution
Advanced Analog Technology, Inc.
Page
AAT1403B
APPLICATION CIRCUIT
Solution
Solution
OUT3 Shutdown Control AAT1403B Inverting Vout
DTC3
Advanced Analog Technology, Inc.
Page
AAT1403B
APPLICATION CIRCUIT
Solution
Advanced Analog Technology, Inc.
Page
AAT1403B
APPLICATION CIRCUIT
Synchronous Solution
Non-Synchronous Solution
Advanced Analog Technology, Inc.
Page
AAT1403B
APPLICATION CIRCUIT
Synchronous Solution
Non-Synchronous Solution
Advanced Analog Technology, Inc.
Page
AAT1403B
Timing Chart
Advanced Analog Technology, Inc.
Page
AAT1403B
Timing Chart
Advanced Analog Technology, Inc.
Page
AAT1403B
Timing Chart
Advanced Analog Technology, Inc.
Page
AAT1403B
CH2,4 Timing Chart
Advanced Analog Technology, Inc.
Page
AAT1403B
Timing Chart
Advanced Analog Technology, Inc.
Page
AAT1403B
Soft-Start Shunt-Down Operation
Advanced Analog Technology, Inc.
Page
AAT1403B
OPERATION CONDITION SETTING
Advanced Analog Technology, Inc.
Page
AAT1403B
PACKAGE DIMENSION
VQFN40 PACKAGE
Advanced Analog Technology, Inc.
Page
AAT1403B
PACKAGE DIMENSION
VQFN40 PACKAGE (CONT.)
Advanced Analog Technology, Inc.
Page
AAT1403B
PACKAGE DIMENSION (CONT.)
VQFN40 PACKAGE (CONT.) DIMENSIONS MILLIMETERS
SYMBOL
DIMENSIONS INCHES
0.80 0.00 0.225 0.19 5.90 4.650 5.90 4.650 -0.35
0.90 0.02 0.250 0.20 6.00 4.800 6.00 4.800 0.50 0.40
1.00 0.05 0.275 0.25 6.10 4.950 6.10 4.950 -0.45 0.076
0.031 0.009 0.0075 0.232 0.183 0.232 0.183 -0.014
0.035 0.0008 0.010 0.0080 0.236 0.189 0.236 0.189 0.020 0.016
0.039 0.0020 0.011 0.0100 0.240 0.195 0.240 0.195 -0.018 0.003
NOTE: TERMINAL IDENTIFIER LASER MARKED FEATURE.
Advanced Analog Technology, Inc.
Page
AAT1403B
PACKAGE DIMENSION
LQFP48 PACKAGE
Advanced Analog Technology, Inc.
Page
AAT1403B
PACKAGE DIMENSION
LQFP48 PACKAGE (CONT.)
Advanced Analog Technology, Inc.
Page
AAT1403B
PACKAGE DIMENSION
LQFP48 PACKAGE (CONT.) DIMENSIONIN MILLIMETERS
SYMBOL
-0.05 1.35 0.17 0.09 8.80 6.90 8.80 6.90 -0.45
-1.40 0.22 -9.00 7.00 9.00 7.00 0.50 0.60 1.00
1.60 0.15 1.45 0.27 0.20 9.20 7.10 9.20 7.10 -0.75 -7.0 0.08
Advanced Analog Technology, Inc.
Page
Other recent searches
UT8R1M39 - UT8R1M39 UT8R1M39 Datasheet
UT8R2M39 - UT8R2M39 UT8R2M39 Datasheet
UT8R4M39 - UT8R4M39 UT8R4M39 Datasheet
UT8R1M39 - UT8R1M39 UT8R1M39 Datasheet
UT8R2M39 - UT8R2M39 UT8R2M39 Datasheet
UT8R4M39 - UT8R4M39 UT8R4M39 Datasheet
TSM9428D - TSM9428D TSM9428D Datasheet
SYM53C896 - SYM53C896 SYM53C896 Datasheet
KSA931 - KSA931 KSA931 Datasheet
CY7C187A - CY7C187A CY7C187A Datasheet
1945970000 - 1945970000 1945970000 Datasheet
Privacy Policy | Disclaimer
© 2012 Datasheet Archive
