Key facts
- Brand
- STMicroelectronics
- Model
- VIPER22ADIP
- Industry
- Industrial
- Documents
- 5
- Languages
- EN
- Last added
- 2012-05-09
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STMicroelectronics VIPer22ADIP / VIPer22AS Low Power Off-Line SMPS Primary Switcher Manual
The VIPer22ADIP and VIPer22AS are low‑power off‑line SMPS primary switcher ICs designed for applications such as battery‑charger adapters, standby supplies for TVs or monitors, and auxiliary supplies for motor control. They feature a wide input voltage range, current‑mode PWM control, and built‑in protection functions.
This manual details the device description, pin functions, absolute maximum ratings, thermal data, electrical characteristics, and operating sections such as the supply, oscillator, PWM comparator, and over‑temperature protection. It also includes typical application notes, figures, and ordering information.
STMicroelectronics VIPER22ADIP specifications
| Continuous Drain Current (Ip) | Internally limited |
|---|---|
| Supply Voltage (Vop) | 0‑50 V |
| Feedback Current (lea) | 3 mA |
| Thermal Resistance Junction‑Case (SO‑8) | 25 °C/W |
| Thermal Resistance Junction‑Ambient (SO‑8) | 55 °C/W |
Source: STMicroelectronics VIPer22ADIP / VIPer22AS Low Power Off-Line SMPS Primary Switcher Manual
All STMicroelectronics VIPER22ADIP documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the fixed switching frequency of the VIPer22 devices?
The devices operate at a fixed 60 kHz switching frequency.
From: STMicroelectronics VIPer22ADIP / VIPer22AS Low Power Off-Line SMPS Primary Switcher Manual
What input voltage ranges are supported?
European input 190‑265 Vac and US/Wide range 85‑265 Vac are supported.
From: STMicroelectronics VIPer22ADIP / VIPer22AS Low Power Off-Line SMPS Primary Switcher Manual
What is the switching frequency of the VIPer22ADIP‑E / VIPer22AS‑E?
The device operates at a fixed 60 kHz switching frequency.
From: STMicroelectronics VIPer22ADIP-E / VIPer22AS-E Datasheet
What input voltage range does the Vpp pin support?
The Vpp pin accepts a wide range from 9 V to 38 V.
From: STMicroelectronics VIPer22ADIP-E / VIPer22AS-E Datasheet
What is the switching frequency of the VIPer22 devices?
The devices operate at a fixed 60 kHz switching frequency.
From: STMicroelectronics VIPer22ADIP / VIPer22AS‑E Datasheet
What input voltage range does the Vpp pin support?
The Vpp pin accepts a voltage range from 9 V to 38 V.
From: STMicroelectronics VIPer22ADIP / VIPer22AS‑E Datasheet