VIPER38HD The STMicroelectronics VIPER38HD is an offline switch designed for flyback topology. It operates within an 8.5V to 23.5V voltage range and features a frequency of 115kHz.
Mfr Part #:

VIPER38HD

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics VIPER38HD is an offline switch designed for flyback topology. It operates within an 8.5V to 23.5V voltage range and features a frequency of 115kHz.
✓ Total Stock: 2,000 pcs
$ Price Range: $0.75

VIPER38HD Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,000 pcs
2000 pcs On Request 1 On Request On Request On Request On Request On Request

VIPER38HD 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
Supplier Package
Topology
Voltage

VIPER38HD Description

Short technical summary and product information.

The STMicroelectronics VIPER38HD is an integrated circuit designed for AC to DC conversion, specifically functioning as an offline switch. It utilizes a flyback topology and is suitable for applications requiring isolated power output.

 

Key electrical specifications include an operating voltage range of 8.5V to 23.5V, a switching frequency of 115kHz, and a power rating of 20W. The device also features an 80% duty cycle and includes comprehensive fault protection, such as current limiting, over-temperature, over-voltage, and short-circuit protection. An internal switch is integrated into the design.

 

This component is housed in a 16-SOIC package with a surface mount type, making it suitable for various PCB designs. The operating temperature range is from -40°C to 150°C (TJ). The VIPER38HD is RoHS3 compliant and has an MSL rating of 1.

VIPER38HD Quick Information

Product Type: AC DC Converter, Offline Switch
Canonical Name: VIPER38HD Offline Switch Flyback 16SO
Subcategory: Offline Switches

VIPER38HD Compliance

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

VIPER38HD Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

VIPER38HD Features

  • Offline switch with flyback topology.
  • Wide operating voltage range: 8.5V to 23.5V.
  • High switching frequency: 115kHz.
  • Integrated switch for simplified design.
  • Surface mount 16-SOIC package.

VIPER38HD Applications

  • Used in AC-DC power adapters and chargers.
  • Suitable for auxiliary power supplies in appliances.
  • Ideal for isolated flyback converter designs.
  • Used in industrial power supply applications.
  • Suitable for offline battery charger circuits.

VIPER38HD FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the VIPER38HD?

The operating voltage range is 8.5V to 23.5V.

What is the switching frequency of the VIPER38HD?

The switching frequency is 115kHz.

What is the power rating of the VIPER38HD?

The power rating is 20W.

What type of package is the VIPER38HD in?

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

How is the VIPER38HD mounted?

It is a surface mount component.

What is the operating temperature range for the VIPER38HD?

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

Does the VIPER38HD have internal switches?

Yes, it has internal switches.

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