FA3635P
FA3635P is CMOS IC manufactured by Fuji Electric.
Description
FA3635P is a CMOS IC which includes low on-resistance power MOSFET for PWM-type switching power supply control. This IC achieves high efficiency DC-DC converter and it is suitable for buck converter or inverting converter with high input voltage of 10V to 50V.
CMOS IC For Switching Power Supply Control s Dimensions, mm DIP-8
8 5 s Features
- Built-in low on-resistance Pch power MOSFET 50V/1.1Ω(typ.)/1A(peak)
- Wide range of 10V to 50V for input voltage
- 1.2m A low operating current as a Power IC
- Latch-mode short-circuit protection function
- Built-in over-temperature protection Tj =125°C (min.)
1 9.4 1.5 4 4.5max 3.1min
+0.1 5
- 0.0 s Applications
- Power supply for general equipment
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
Pin symbol
Description
Power supply Error amplifier output Inverting input to error amplifier Ground Ground Reference voltage Capacitor for soft-start Output
VCC FB IN GND GND REF CS OUT
FA3635P s Absolute maximum ratings
Item Supply voltage Error amplifier input voltage Total Power dissipation (Ta = 25° C) Junction temperature Operating temperature Storage temperature Symbol Rating 50.0 5.5 1.1 125
- 20 to +85°C
- 40 to +150 Unit V V W °C °C °C s Remended operating conditions
Item Supply voltage REF terminal by-pass capacitor VCC terminal by-pass capacitor Symbol Min. 10.0 470 Max. 45.0 Unit V µF µF
VCC VIN Pd Tj Top Tstg
VCC CREF CO
0.047 0.22 s Electrical characteristics (Ta=25°C, VCC=44V, CREF=0.1µF) Reference voltage section
Item terminal Voltage Symbol Test condition Min. 3.00 Typ. 3.12 Max. 3.24 Unit V
VREG
CREF=0.1...