Description
The VIPER12A integrates a current-mode PWM controller with a high-voltage power MOSFET on a single silicon chip. It is designed for offline SMPS (switch-mode power supply) applications requiring energy-efficient AC-to-DC conversion without bulky external switching transistors.
FEATURES
- Controller Type: Current-Mode PWM with Integrated MOSFET
- Switching Frequency: ≈ 60 kHz (fixed)
- VDD Operating Range: 9 V to 38 V
- Input Voltage: 85 – 265 VAC range supported
- Output Power: Up to ~8 W (wide AC), ~13 W (230 VAC DIP variant)
- Protection Features: UVLO, OCP, OVP, OTP with auto restart
- Typical Applications: SMPS, LED drivers, chargers, auxiliary supplies
- Mounting Style: Surface Mount
SPECIFICATION
- Dimension: 4.9 × 3.9 × 1.75 mm
- Additional information
- Gross weight: 0.04 g
- Manufacturer part number: VIPER12A





