This document is about the technical data of VIPer12A, introducing the features and characteristics of VIPer12A, including fixed 60kHZ switching frequency, 9V to 38V wide range VDD voltage, current mode control, auxiliary undervoltage lockout with hysteresis, high voltage start-up current source, overtemperature, overcurrent and overvoltage protection with auto-restart.
This document describes the ViPer12ADIP and ViPer12AS E low‑power off‑line SMPS primary switchers. It includes key features such as a fixed 60 kHz switching frequency, a wide input voltage range of 9 V to 38 V, and current‑mode control with over‑temperature, over‑current, and over‑voltage protection.
The datasheet contains detailed electrical data, maximum ratings, thermal data, pin connections, rectangular U‑I output characteristics, and a wide VDD voltage range. Mechanical dimensions, order codes, and revision history are also provided for design reference.
| Switching frequency | 60 kHz |
|---|---|
| Input voltage range (Vpp) | 9 V to 38 V |
| Supply voltage (Vpp) | 0 V to 50 V |
| Feedback current (I_FB) | 3 mA |
| Thermal resistance (junction‑case) | 25 °C/W (SO‑8) / 15 °C/W (DIP‑8) |
| Maximum continuous drain current (I_D) | 0.2 A |
The devices operate at a fixed 60 kHz switching frequency.
The Vpp pin can accept voltages from 9 V up to 38 V.
The device includes over‑temperature, over‑current, and over‑voltage protection with auto‑restart.