Datasheet Summary
VIPER31
Energy saving offline high voltage converter
Features
- 800 V avalanche-rugged power MOSFET to cover ultra-wide VAC input range
- Embedded HV startup and sense FET
- Current mode PWM controller
- Drain current limit protection (OCP):
- 850 mA (VIPER318)
~ AC
- 990 mA (VIPER319)
VCC OVP
DRAIN
VIPER31
- Wide supply voltage range: 4.5 V to 30 V
FB CONTROL
- < 20 mW @ 230 VAC in no-load;
P UVP GND CIN
DAUX
- < 430 mW @ 230 VAC, 25 0mW output load
R1
C1
- Jittered switching frequency reduces the EMI filter cost:
C3
R2
C2
D2
LOUT
VOUT
- 30 kHz ± 7% (X...