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FA5511P

ETC
Part Number FA5511P
Manufacturer ETC
Description CMOS IC For Switching Power Supply Control
Published Jun 22, 2014
Detailed Description FA551X series FA5510P (N), FA5511P (N) FA5514P (N), FA5515P (N) ■ Description The FA551X series are the PWM type switchi...
Datasheet PDF File FA5511P PDF File

FA5511P
FA5511P

Overview
FA551X series FA5510P (N), FA5511P (N) FA5514P (N), FA5515P (N) ■ Description The FA551X series are the PWM type switching power supply control ICs that can directly drive power MOSFET.
These ICs use a CMOS device with high dielectric strength (30V) to implement low power consumption.
These ICs contain many function in a small 8-pin package.
With these ICs, a highperformance and compact power supply can be created because not many external discrete components are needed.
CMOS IC For Switching Power Supply Control FA551X ■ Dimensions, mm SOP-8 8 5 1 4.
9 4 +0.
1 –0.
05 6.
0±0.
2 3.
9 ■ Features • Low current consumption by CMOS process with high dielectric strength (30V) • Standby current of 2µA or less (at Vcc=14V), and operating current of 1.
5mA (typ) • Overvoltage protection function detecting the Vcc voltage • A drive circuit for connecting a power MOSFET directly • Output peak current: ±1.
5A • Pulse-by-pulse overcurrent limiting function • Overload protection function (latch or non-latch mode selectable) • Output ON-OFF function by external signal • Latch-mode overvoltage shutdown function • Undervoltage lockout function (16.
5V ON / 9V OFF) • Reference voltage output (5V) • 8-pin package (DIP/SOP) 0.
4±0.
1 1.
27 DIP-8 8 5 1 9.
3 4 1.
5±0.
3 6.
4 3.
0min 4.
5max 3.
3 0~8° ■ Block diagram FA5510P (N), FA5511P (N) CS(8) REF (7) 5V VCC ENB 5V REF 8.
5V/7.
9V 0.
8V 3.
5V ENB 4V PWM Dmax FA5510: 46% FA5511: 70% OSC RT CT OUT PUT 0.
8V/0.
68V 5.
2µA 0.
95mA 15.
5V 15.
5V UVLO 0.
05 0.
25 – 7.
62 0~15 ˚ 0~1 5˚ VCC(6) 2.
54 0.
46±0.
1 16.
5V/9V FB (2) OUT (5) Pin Pin Function No.
symbol 1 RT FB IS GND OUT VCC REF CS Oscillator timing resistor Feedback Overcurrent detection Ground Output Power supply Reference voltage Soft-start and ON/OFF control Description Setting oscillation frequency Input of PWM comparator Input of the overcurrent limiting function Ground Output for driving a power MOSFET Power supply Reference voltage output (5V) Soft-start, ON/OFF function and latch-m...


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