Fuji Electric FA3675F
FA3675F is a control IC for 6-channel DC-DC converter. 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 LQFP-48.DESCRIPTION
This IC can directly drive a Nch/Pch-MOSFET. CMOS IC For Switching Power Supply Control s Dimensions, mm LQFP-48 9.0±0.3 7.0 1.45 max 0.10±0.06 25 sFEATURES
● 6-channel PWM control with MOSFET direct driving : 5-channel for Pch-MOSFET, 1channel for Nch-MOSFET● Low input voltage: 2.5V to 20V
● ±1.0% high accuracy bandgap reference
● Low power consumption by means of CDMOS Standby mode: 20µA(max.) Operating mode: 10mA(max.)
● Soft start function for each channel
● ON/OFF function for each channel
● Timer latch for short protection
● Undervoltage lockout
● Wide range of operation frequency: 50kHz to 1MHz
● Package: LQFP-48(Thin and small) 37 36 24 9.0±0.3 8.0 48 1 12 13 7.0 7.8 0.5±0.2 0.127 0~7 ˚ ±0.05 0.5±0.1 0.2±0.06 s Application
● VTR-camera, digital-steel-camera and portable equipment 122 FA3675F s Block diagram 123 FA3675F Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Pin symbol
DESCRIPTION
Power supply for control circuit Oscillator timing resistor Oscillator timing capacitor Soft start for Ch.