STMicroelectronics VIPER22ASTR-E, Low Power OFF-line SMPS Primary Switcher 1-Channel 8-Pin, SO-8

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Subtotal (1 tape of 5 units)*

SGD11.15

(exc. GST)

SGD12.15

(inc. GST)

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Temporarily out of stock
  • 2,490 unit(s) shipping from 09 February 2026
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Units
Per unit
Per Tape*
5 - 45SGD2.23SGD11.15
50 - 95SGD2.118SGD10.59
100 - 495SGD1.96SGD9.80
500 - 995SGD1.804SGD9.02
1000 +SGD1.738SGD8.69

*price indicative

Packaging Options:
RS Stock No.:
151-990
Mfr. Part No.:
VIPER22ASTR-E
Manufacturer:
STMicroelectronics
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Brand

STMicroelectronics

Product Type

Voltage Controller

Sub Type

Low Power OFF-line SMPS Primary Switcher

Number of Outputs

1

Switching Frequency

60kHz

Mount Type

Surface

Package Type

SO-8

Pin Count

8

Standards/Approvals

RoHS

Series

VIPER22A

Width

3.8 mm

Height

3.8mm

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

125°C

Automotive Standard

No

COO (Country of Origin):
CN
The STMicroelectronics SMPS primary switcher 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.

Current mode control

Auxiliary under voltage lockout with hysteresis

High voltage start up current source

Over temperature and overvoltage protection with auto restart

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