FA5301BP(N) FA5301BP(N)
s Description
The FA5301BP(N) is a bipolar IC containing basic circuits necessary for PWM-type s...
FA5301BP(N) FA5301BP(N)
s Description
The FA5301BP(N) is a bipolar IC containing basic circuits necessary for PWM-type switching power supply control. This IC switches an external
transistor according to external synchronizing pulses.
Bipolar IC For Switching Power Supply Control
s Dimensions, mm SOP-16
16 9 3.9±0.1 6.0±0.2 0.18±0.07 1 9.9±0.1 8 0.33 1.65±0.1 0.65
.0 0.3 –0 +0.1 5
s Features
External synchronization input terminal Wide supply voltage range (VCC =7 to 22V) Open-collector output Soft-start from standby mode Double protection of output
transistor by overcurrent limiting and cutoff functions Output ON/OFF control function Not many external discrete components needed
0.42±0.07
1.27±0.2
DIP-16
16 9
s Applications
Switching power supply for general equipment (Optimum for TV, display, and other monitor devices)
1 0.81
19.4 1.5
8 3.1min 4.3max
0.2min
3.4
6.5
0~8˚
0.2
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 15 16
Pin symbol
Description Inverting input to error amplifier Non-inverting input to error amplifier Error amplifier output Feedback input Overcurrent detection Overcurrent cutoff delay capacitor Ground Output ON/OFF control Output Dead time adjustment Oscillator timing capacitor External synchronizing signal detection capacitor External synchronization input PWM soft-start capacitor Reference voltage output (5V) Power supply
IN (–) IN (+)
ER.OUT FB IS CD GND ON/OFF OUT D...