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

This image is representative of the product range

View all Voltage Controllers

Subtotal (1 reel of 2500 units)*

SGD4,142.50

(exc. GST)

SGD4,515.00

(inc. GST)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 08 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Reel*
2500 +SGD1.657SGD4,142.50

*price indicative

RS Stock No.:
151-989
Mfr. Part No.:
VIPER22ASTR-E
Manufacturer:
STMicroelectronics
Find similar products by selecting one or more attributes.
Select all

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

Width

3.8 mm

Height

3.8mm

Series

VIPER22A

Automotive Standard

No

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

125°C

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

Related links