Key facts
- Brand
- STMicroelectronics
- Model
- 22A-E
- Category
- Power Management
- Documents
- 4
- Languages
- EN
- Last added
- 2012-08-10
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ST VIPer22A-E VIPer22ADIP-E VIPer22AS-E handbook
The VIPer22A-E is a low power OFF-line SMPS primary switcher with the following features: Fixed 60 kHz switching frequency, 9 V to 38 V 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.
Read onlineSTMicroelectronics 22A-E specifications
| Line frequency | 50/60 Hz |
|---|---|
| Number of HB LEDs | 3 |
| Power / current | 3 W/350 mA |
All STMicroelectronics 22A-E documents by type
Ratings, dimensions and ordering codes, for selection and design work.
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What is the input voltage range for this LED driver?
The device accepts an input voltage ranging from 90 to 265 V.
What constant current does the board provide for LEDs?
The driver provides a constant current of 350 mA for LEDs.
What is the output voltage of this driver?
The circuit generates about 10 V.
How many LEDs are in the load?
The load is composed of three high-brightness (HB) LEDs, connected in series.
What output voltages and currents can the VIPer12/22A-E supply in this design?
The VIPer12A-E supplies 12 V at 200 mA and 16 V at 200 mA, while the VIPer22A-E supplies 12 V at 350 mA and 16 V at 350 mA.
From: AN2544 Designing a Low Cost Power Supply Using VIPer12/22A-E in Buck Configuration Application Note
What is the input voltage range for the evaluation board?
The board operates with an input voltage range of 85 V ac to 264 Vac.
From: AN2544 Designing a Low Cost Power Supply Using VIPer12/22A-E in Buck Configuration Application Note