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VIPER222LSTR The STMicroelectronics VIPER222LSTR is an offline AC/DC converter utilizing a Flyback topology. It operates with a 730V breakdown voltage and a 60kHz switching frequency.
Mfr Part #:

VIPER222LSTR

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics VIPER222LSTR is an offline AC/DC converter utilizing a Flyback topology. It operates with a 730V breakdown voltage and a 60kHz switching frequency.
✓ Total Stock: 56,100 pcs
$ Price Range: $0.75

VIPER222LSTR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Risen Electronics ✓
Non-Authorised Inventory information
42,600 pcs
On Request
42600 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Fe Components ✓
Non-Authorised Inventory information
12,500 pcs
On Request
12500 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

VIPER222LSTR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Lead Style
Mounting Type
Operating Temperature
Output Isolation
Power
Power (Watts)
Supplier Device Package
Tape & Reel
Topology
Voltage
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VIPER222LSTR Description

Short technical summary and product information.

The VIPER222LSTR from STMicroelectronics is an integrated circuit designed for offline AC/DC conversion with a Flyback topology. This component features a high breakdown voltage of 730V and operates with a duty cycle of 80% at a switching frequency of 60kHz.

 

Designed for surface mount applications, the VIPER222LSTR is housed in a 10-SSOP package. It includes internal switching capabilities and offers fault protection features such as current limiting, over temperature, and over voltage protection. The device operates within a supply voltage range of 4.5V to 30V and has an operating temperature range of -40°C to 150°C (TJ).

 

This converter is suitable for various power management applications requiring efficient offline power conversion. Its isolated output and robust protection mechanisms make it a reliable choice for designs needing stable power delivery.

VIPER222LSTR Quick Information

Product Type: AC DC Converter, Offline Switcher
Series: VIPER™
Canonical Name: VIPER222LSTR Integrated Circuit
Subcategory: PMIC - AC DC Converters, Offline Switchers

VIPER222LSTR Compliance

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

VIPER222LSTR Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

VIPER222LSTR Features

  • 730V breakdown voltage for high voltage applications.
  • Flyback topology for efficient power conversion.
  • 80% duty cycle at 60kHz switching frequency.
  • Surface mountable 10-SSOP package.
  • Integrated fault protection features.

VIPER222LSTR Applications

  • Ideal for AC-DC flyback power supplies.
  • Used in isolated offline switcher circuits.
  • Suitable for low-power auxiliary supplies.
  • Enables 60kHz flyback converter designs.
  • Applicable to 13W offline converter applications.

VIPER222LSTR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the VIPER222LSTR?

The operating voltage range (Vcc/Vdd) for the VIPER222LSTR is 4.5V to 30V.

What is the breakdown voltage of the VIPER222LSTR?

The breakdown voltage for the VIPER222LSTR is 730V.

What is the switching frequency of the VIPER222LSTR?

The switching frequency for the VIPER222LSTR is 60kHz.

What type of topology does the VIPER222LSTR use?

The VIPER222LSTR uses a Flyback topology.

What is the operating temperature range for the VIPER222LSTR?

The operating temperature range for the VIPER222LSTR is -40°C to 150°C (TJ).

What fault protection features are included in the VIPER222LSTR?

The VIPER222LSTR includes current limiting, over temperature, and over voltage fault protection.

What package is the VIPER222LSTR supplied in?

The VIPER222LSTR is supplied in a 10-SSOP package for surface mounting.

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