FA3621F Overview
FA3621F 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.
FA3621F Key Features
- 6-channel PWM control with MOSFET direct driving : 5-channel for Pch-MOSFET, 1channel for Nch-MOSFET
- Low input voltage: 4.5V to 20V
- ±1.5% high accuracy bandgap reference
- Low power consumption by means of CDMOS Standby mode: 10µA(max.) Operating mode: 6mA(max.)
- Soft start function for each channel
- ON/OFF function for each channel
- Timer latch for short protection
- Overheat protection
- Undervoltage lockout
- Wide range of operation frequency: 50kHz to 1MHz