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VIPER28HDTR The STMicroelectronics VIPER28HDTR is an offline switch IC with a flyback topology, featuring 16W power and 800V breakdown voltage. It is housed in a 16-SOIC package.
Mfr Part #:

VIPER28HDTR

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics VIPER28HDTR is an offline switch IC with a flyback topology, featuring 16W power and 800V breakdown voltage. It is housed in a 16-SOIC package.
✓ Total Stock: 10,500 pcs
$ Price Range: $0.75

VIPER28HDTR Available from 2 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
8,000 pcs
On Request
8000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Fe Components ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 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.

VIPER28HDTR 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
Supply Voltage
Tape & Reel
Topology
Voltage
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VIPER28HDTR Description

Short technical summary and product information.

The STMicroelectronics VIPER28HDTR is a high-voltage converter IC that integrates an 800V power MOSFET with PWM current-mode control. It is designed for auxiliary power supplies in consumer electronics, energy meters, and data concentrators.

 

Key electrical specifications include a breakdown voltage of 800V, a supply voltage range of 8.5V to 23.5V, and a switching frequency of 115kHz. The device offers a 16W power output and an 80% duty cycle. It features embedded HV startup and sense FET, dual-level OCP, output overvoltage protection, and thermal shutdown for enhanced reliability.

 

This IC operates within a temperature range of -40°C to 150°C (TJ) and is available in a 16-SOIC surface mount package. Its flyback topology and integrated features allow for minimal component count in applications, meeting stringent energy-saving standards with low consumption and burst mode operation under light loads.

 

The VIPER28HDTR supports automatic restart after fault conditions and includes an adjustable extra power timer (EPT) for handling overload conditions. Its jittered frequency helps reduce EMI, and the soft-start feature minimizes stress during startup.

VIPER28HDTR Quick Information

Product Type: High-Voltage Converter
Series: VIPer™ plus
Canonical Name: VIPER28HDTR High-Voltage Converter
Subcategory: AC DC Converters

VIPER28HDTR Compliance

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

VIPER28HDTR Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

VIPER28HDTR Features

  • 800V avalanche-rugged power MOSFET.
  • Integrated HV startup and sense FET.
  • PWM current-mode controller.
  • 16W power output.
  • 16-SOIC surface mount package.

VIPER28HDTR Applications

  • Auxiliary power supplies for consumer equipment.
  • Power supplies for energy meters.
  • Power supplies for data concentrators.
  • AC-DC adapters.

VIPER28HDTR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the breakdown voltage of the VIPER28HDTR?

The breakdown voltage is 800V.

What is the operating temperature range for the VIPER28HDTR?

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

What type of package is the VIPER28HDTR in?

The VIPER28HDTR is in a 16-SOIC (0.154", 3.90mm Width) package.

What is the RoHS status of the VIPER28HDTR?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the VIPER28HDTR?

The MSL is 1 Unlimited.

What is the power output of the VIPER28HDTR?

The power output is 16W.

What is the switching frequency of the VIPER28HDTR?

The switching frequency is 115kHz.

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