Bipolar IC For Switching Power Supply Control
FA7611CP(E) FA7611CP(E)
s Description
The FA7611CP(E) is a bipolar IC containing basic circuit necessary for PWM-type sw...
Description
FA7611CP(E) FA7611CP(E)
s Description
The FA7611CP(E) is a bipolar IC containing basic circuit necessary for PWM-type switching power supply control.
Bipolar IC For Switching Power Supply Control
s Dimensions, mm SSOP-16
16 9
s Features
Low-voltage operation (VCC = 3.6 to 22V) Predrivers: Totem-pole output or open-collector for CH1 and open-collector output for CH2 Latch-mode short-circuit protection function (no malfunction due to electrical noise) soft-start function Undervoltage lock-out function One capacitor shared for short circuit protection and for soft start to minimize the number of external discrete components
5.3 7.9±0.3
1
0.1±0.1
6.2
+0.1
8
0.2 –0.05
0~10˚
s Applications
Battery power supply for portable equipment
0.6
0.3
0.65
DIP-16
16 9
1 0.81
19.4 1.5
8 3.1min 4.3max
0.2min
3.4
6.5
.0 0.3 –0
+0.1 5
7.6
2.54±0.25
0.5±0.1
0~15 ˚
0~1
5˚
s Block diagram
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Pin symbol
Description Oscillator timing capacitor Capacitor for soft-start, shortcircuit protection and delay Dead time adjustment Non-inverting input to error amplifier Inverting input to error amplifier Error amplifier output Ground CH. 2 Output Power supply CH. 1 Current limiting resistor CH. 1 Output Error amplifier output Inverting input to error amplifier Non-inverting input to error amplifier Reference voltage (0.5V) Dead time adjustment Reference voltage output (2.5V)
CT CS DT2 IN2 (+) IN2 (–) FB2 GND OUT2 VCC OUT1R OU...
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