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The VIPer22A-E combines a dedicated current mode PWM controller with a high voltage power MOSFET on the same silicon chip.
Typical applications cover off line power supplies for battery charger adapters, standby power supplies for TV or monitors, auxiliary supplies for motor control, etc. The internal control circuit offers the following benefits:
Large input voltage range on the VDDpin accommodates changes in auxiliary supply voltage. This feature is well adapted to battery charger adapter configurations.
Automatic burst mode in low load condition.
Overvoltage protection in HICCUP mode.Key Features
- Fixed 60 kHz switching frequency
- 9 V to 38 V wide range VDDvoltage
- Current mode control
- Auxiliary undervoltage lockout with hysteresis
- High voltage start-up current source
- Overtemperature, overcurrent and overvoltage protection with auto-restart
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Sample & Buy
| Part Number | Package | Packing Type | Marketing Status | Budgetary Price (US$)* | Quantity | RDS(on) (Ω) (max) | Transistor Breakdown Voltage (V) (min) | Drain Current (A) (nom) | ECCN (US) | Country of Origin | More info | Order from Distributors | Order from ST |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VIPER22ASTR-E | SO-8 | Tape And Reel |
Active
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0.323 | 1000 | 17 | 730 | 0.7 | EAR99 | CHINA | Check Availability | Get sample |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors
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Evaluation Tools
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Picture Part number Manufacturer Description 
STEVAL-ILL026V1 -- 3 W non-isolated offline LED driver demonstration board based on the VIPer22A-E Part Number3 W non-isolated offline LED driver demonstration board based on the VIPer22A-E
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| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| VIPER22ASTR-E |
Active
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SO-8 | Industrial | Ecopack2 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
