FA3630V
FA3630V is CMOS IC manufactured by Fuji Electric.
Description
FA3630V is a DC-DC converter controller. This IC can directly drive a Nch/Pch-MOSFET. This IC is suitable to reduce converter size because it has many functions in a small package TSSOP.
CMOS IC For Switching Power Supply Control s Dimensions, mm TSSOP-16
16 9 s Features
- Low input voltage: 2.5V to 6.5V
- 2-channels PWM control: Rail-to-rail output Output impedance of output stage = 3.5Ω (typ.) Nch-MOSFET driving (Ch1) Nch/Pch-MOSFET driving (Ch2)(selected by SEL pin)
- Low power consumption: 0.7m A (typ.)
- ON/OFFcontrol: Standby current= 0.1µA (typ.)
- ±2% high accuracy reference voltage
- Adjustable soft start time and maximum duty cycle
- Adjustable built-in timer latch for short circuit protection
- Wide range of operation frequency: 100k Hz to 1MHz
- Package: TSSOP-16 (Thin and small)
4.4 6.4±0.1 5.2 0.07±0.05 1 8
2 0.17+0.0
- 0.04
0~8˚
0.5±0.08
0.2±0.05
0.65 s Applications
- Power supply for general equipment s Block diagram
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Pin symbol
Description
ON/OFF function Ch. 2 non-inverting input to error amplifier Ch.2 inverting input to error amplifier Ch. 2 output of error amplifier Selection of type of MOSFET drived Ground Soft start for Ch. 2 Ch. 2 output (for Nch or Pch MOSFET) Ch.1 outout (for Nch-MOSFET) Soft start for Ch.1 Power supply Regulated voltage output Ch.1 output of error amplifier Ch.1 inverting input to error amplifier Timing capacitor for timer latch delay Oscillator timing capacitor
ON/OFF IN2+ IN2- FB2 SEL GND CS2 OUT2 OUT1 CS1 VCC VREG FB1 IN1- CP CT
1.1max
FA3630V s Absolute maximum ratings
Item Power supply voltage Symbol Rating 6.5
- 500 500
- 0.3 to +6.5
- 10 300 125
- 20 to +85
- 40 to +125 Unit V m A m A V m A m W °C °C °C s Remended operating conditions
Item Power supply voltage Input voltage for logic input Oscillation frequency Symbol Min. 2.5 0 100 Max. 5.5 5.5 1000 Unit V V k Hz
VCC Source peak current of OUT1/2 IOUT+ Sink peak current of OUT1/2 IOUT- Input voltage...