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VIPER27HDTR The STMicroelectronics VIPER27HDTR is an offline switch IC designed for flyback topology. It operates within an 8.5V to 23.5V voltage range and delivers up to 20W of power.
Mfr Part #:

VIPER27HDTR

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics VIPER27HDTR is an offline switch IC designed for flyback topology. It operates within an 8.5V to 23.5V voltage range and delivers up to 20W of power.
✓ Total Stock: 4,000 pcs
$ Price Range: $0.75

VIPER27HDTR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Risen Electronics ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
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.

VIPER27HDTR 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 (Watts)
Supplier Device Package
Topology
Voltage
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VIPER27HDTR Description

Short technical summary and product information.

The STMicroelectronics VIPER27HDTR is an integrated circuit designed for AC/DC conversion, specifically functioning as an offline switch for flyback applications. This device operates within a voltage range of 8.5V to 23.5V and supports a maximum output power of 20W.

 

Key electrical characteristics include an operating frequency of 115kHz and a duty cycle of 80%. The IC features internal switches and provides fault protection including current limiting, over-temperature, and over-voltage protection. Its topology is flyback, and it offers isolated output.

 

The VIPER27HDTR is housed in a 16-SO package and is designed for surface mount applications. It operates across a wide temperature range of -40°C to 150°C (TJ). The component is RoHS3 compliant and has an MSL rating of 1.

 

This offline switch IC is suitable for various power supply designs requiring efficient and reliable AC/DC conversion.

VIPER27HDTR Quick Information

Product Type: AC DC Converter, Offline Switch
Canonical Name: VIPER27HDTR Offline Switch IC
Subcategory: AC DC Converters

VIPER27HDTR Compliance

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

VIPER27HDTR Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

VIPER27HDTR Features

  • Offline switch IC for flyback topology.
  • Supports 8.5V to 23.5V input voltage.
  • Provides up to 20W of output power.
  • Operates at 115kHz switching frequency.
  • Surface mount 16-SO package.

VIPER27HDTR Applications

  • Offline AC-DC power supplies.
  • Isolated DC-DC converter designs.
  • Industrial power management systems.
  • Consumer electronics power adapters.

VIPER27HDTR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the VIPER27HDTR?

The operating voltage range is 8.5V to 23.5V.

What is the operating temperature range of the VIPER27HDTR?

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

What package does the VIPER27HDTR come in?

The VIPER27HDTR is available in a 16-SO surface-mount package.

What is the switching frequency of the VIPER27HDTR?

The switching frequency is 115kHz.

What type of fault protection does the VIPER27HDTR include?

It includes current limiting, over-temperature, and over-voltage protection.

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