LT8303
Description
The LT®8303 is a micropower high voltage isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation.
Key Features
- 5.5V to 100V Input Voltage Range
- 450mA, 150V Internal DMOS Power Switch
- Up to 5W of Output Power
- Low Quiescent Current: 70µA in Sleep Mode 280µA in Active Mode
- Boundary Mode Operation at Heavy Load
- Low Ripple Burst Mode® Operation at Light Load
- Minimum Load <0.5% (Typ) of Full Output
- VOUT Set with a Single External Resistor
- No Transformer Third Winding or Opto-Isolator Required for Regulation
- Accurate EN/UVLO Threshold and Hysteresis
