MPN

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

RS Stock No.:: 151-989
Mfr. Part No.:: VIPER22ASTR-E
Manufacturer:: STMicroelectronics

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

Subtotal (1 reel of 2500 units)*

€2,332.50

(exc. VAT)

€2,870.00

(inc. VAT)

Temporarily out of stock

Shipping from 11 June 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit	Per Reel*
2500 +	€0.933	€2,332.50

*price indicative

RS Stock No.:: 151-989
Mfr. Part No.:: VIPER22ASTR-E
Manufacturer:: STMicroelectronics

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	STMicroelectronics
	Sub Type	Low Power OFF-line SMPS Primary Switcher
	Product Type	Voltage Controller
	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

	Select all
	Brand STMicroelectronics
	Sub Type Low Power OFF-line SMPS Primary Switcher
	Product Type Voltage Controller
	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

Datasheet - VIPER22ASTR-E

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

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

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