The?VIPER12A?is a?SMPS controller IC?that consists of a PWM controller with a power MOSFET. It can take in AC voltage from 85V to 265V and convert to low level voltage like 5V with output current from 10mA to 200mA.
Pin Configuration
| Pin Number | Pin Name | Description |
| 1,2 | Source | Source pin of the switching MOSFET |
| 3 | Feedback | Feedback for the SMPS circuit |
| 4 | VDD | Vdd voltage 9V to 38V |
| 5,6,7,8 | Drain | Drain pin of the switching MOSET |
VIPER12A Specifications
- SMPS Switching Buck Regulator
- Output Voltage:? 5V to 16V
- Input Voltage (AC): 85V to 265V
- Input Voltage frequency: 50/60Hz
- Output Current: 200mA (max)
- Efficiency 70% to 80%
- Rise time and Fall time 50ns and 100ns respectively
- Available in PDIP and SO 8-pin package
Equivalent for VIPER12A:?VIPER22A, AP8012