HT7A6322
Description
The HT7A6322 is highly functionally integrated low power primary switcher device which combines an integrated PWM controller with current mode control and a high voltage power MOSFET on the same silicon chip. Typical Power Capability Type European (195~265VAC) US (85~265VAC) 8SOP 12W 7W 8DIP 20W 12W 3 August 30, 2024 HT7A6322 Low Power Primary Switcher for Off Line SMPS Typical Performance Characteristics Application Circuit Isolation Flyback Topology Snubber Circuit VAC VOUT+ VOUT- SW VCC HT7A6322 VSS FB PC817 TL 431.
Key Features
- Fixed 60kHz switching frequency
- 9V to 38V wide range VCC voltage
- Wide AC input range from 85VAC to 265VAC
- PWM with current mode control
- Auxiliary Under Voltage Lock Out with hysteresis
- High voltage start-up current source
- Excellent standby low power consumption
- Over-temperature, Over-current and Over-voltage protection with auto-restart
- Integrated 730V MOSFET
- Burst mode under low load conditions
