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VIPER27LDTR The STMicroelectronics VIPER27LDTR 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 #:

VIPER27LDTR

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics VIPER27LDTR 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: 4,093 pcs
$ Price Range: $0.75

VIPER27LDTR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request 21+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,565 pcs
On Request
1565 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
28 pcs
On Request
28 pcs On Request 1 On Request On Request 21+ 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.

VIPER27LDTR 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)
SVHC Present
Supplier Device Package
Tape & Reel
Topology
Voltage
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VIPER27LDTR Description

Short technical summary and product information.

The VIPER27LDTR from STMicroelectronics is an integrated circuit designed for offline switching power supplies, specifically utilizing a flyback topology. This device is suitable for applications requiring up to 20W of power.

 

Key electrical characteristics include an operating voltage range of 8.5V to 23.5V and a switching frequency of 60kHz. It features internal switches and provides fault protection including current limiting, over-temperature, and over-voltage protection. The duty cycle is rated at 80%.

 

Packaged in a 16-SOIC surface mount configuration, the VIPER27LDTR operates within a temperature range of -40°C to 150°C (TJ). Its isolated output design makes it a versatile component for various power conversion needs.

VIPER27LDTR Quick Information

Product Type: Offline Switch IC
Series: VIPER27
Canonical Name: VIPER27LDTR Offline Switch IC
Subcategory: Offline Switches

VIPER27LDTR Compliance

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

VIPER27LDTR Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

VIPER27LDTR Features

  • Offline switch IC for flyback topology.
  • Operates from 8.5V to 23.5V.
  • Provides up to 20W power.
  • Integrated fault protection features.
  • Surface mount 16-SOIC package.

VIPER27LDTR Applications

  • Designed for AC-DC power adapters.
  • Ideal for flyback converter designs.
  • Suitable for offline switching power supplies.
  • Used in consumer electronics chargers.

VIPER27LDTR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the VIPER27LDTR?

8.5V to 23.5V.

What package does the VIPER27LDTR come in?

16-SOIC (0.154", 3.90mm Width) surface mount package.

What is the operating temperature range of the VIPER27LDTR?

-40°C to 150°C (junction temperature).

What is the switching frequency of the VIPER27LDTR?

60 kHz.

What is the maximum output power of the VIPER27LDTR?

20W.

What topology does the VIPER27LDTR use?

Flyback, isolated output.

What fault protections are included in the VIPER27LDTR?

Current limiting, over-temperature, and over-voltage protection.

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