VIPER122LSTR The STMicroelectronics VIPER122LSTR is an offline switch IC designed for AC DC conversion. It features a wide input voltage range and surface mount packaging.
Mfr Part #:

VIPER122LSTR

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics VIPER122LSTR is an offline switch IC designed for AC DC conversion. It features a wide input voltage range and surface mount packaging.
✓ Total Stock: 8,560 pcs
$ Price Range: $0.75

VIPER122LSTR Available from 4 distributors

✓ Authorised
✓ Non-Authorised

VIPER122LSTR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Power (Watts)
Supplier Device Package
Topology
Voltage

VIPER122LSTR Description

Short technical summary and product information.

The STMicroelectronics VIPER122LSTR is an integrated circuit designed for AC DC conversion, falling under the category of offline switches. It operates within a voltage range of 11.5V to 23.5V and supports a maximum power output of 11W. The device features an 80% duty cycle and operates at a frequency of 60kHz. Fault protection includes current limiting and short circuit capabilities.

 

This IC is available in a 10-SSOP package, designed for surface mounting. The operating temperature range is from -40°C to 150°C (TJ). The VIPER122LSTR supports multiple topologies including Buck, Buck-Boost, and Flyback, with either output isolation. Its internal switch is integrated, simplifying design.

 

This component is suitable for various power supply applications requiring efficient AC DC conversion. The surface mount package facilitates integration into compact electronic designs.

VIPER122LSTR Quick Information

Product Type: AC DC Converters, Offline Switches
Canonical Name: VIPER122LSTR Offline Switch IC
Subcategory: Offline Switches

VIPER122LSTR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

VIPER122LSTR Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

VIPER122LSTR Features

  • Offline switch IC for AC DC conversion.
  • Wide input voltage range of 11.5V to 23.5V.
  • 11W maximum power output.
  • Operates at 60kHz with 80% duty cycle.
  • Surface mount 10-SSOP package.

VIPER122LSTR Applications

  • Used in AC-DC power supply designs.
  • Ideal for offline switching converter circuits.
  • Suitable for Buck, Buck-Boost, Flyback topologies.
  • Applied in industrial power management systems.

VIPER122LSTR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the VIPER122LSTR?

The operating voltage is 11.5V.

What is the switching frequency of the VIPER122LSTR?

The switching frequency is 60kHz.

What is the power dissipation rating of the VIPER122LSTR?

The power dissipation is 11W.

What is the duty cycle of the VIPER122LSTR?

The duty cycle is 80%.

What is the operating temperature range of the VIPER122LSTR?

The operating temperature range is -40°C to 150°C.

What topologies does the VIPER122LSTR support?

It supports Buck, Buck-Boost, and Flyback topologies.

What is the package type of the VIPER122LSTR?

The package type is 10-SSOP, surface mount.

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