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VIPER318LDTR The STMicroelectronics VIPER318LDTR is an offline switch IC designed for AC/DC conversion. It operates within a 4.5V to 30V range and delivers up to 1W of power.
Mfr Part #:

VIPER318LDTR

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics VIPER318LDTR is an offline switch IC designed for AC/DC conversion. It operates within a 4.5V to 30V range and delivers up to 1W of power.
✓ Total Stock: 2,500 pcs
$ Price Range: $0.75

VIPER318LDTR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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
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VIPER318LDTR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Power (Watts)
Supplier Device Package
Supplier Package
Topology
Voltage
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VIPER318LDTR Description

Short technical summary and product information.

The STMicroelectronics VIPER318LDTR is an integrated circuit designed for AC/DC conversion applications, functioning as an offline switch. It supports a wide input voltage range from 4.5V to 30V and is capable of delivering up to 1W of power. The device operates at a frequency of 132kHz and features internal switching capabilities.

 

This IC is housed in a 16-SOIC package and is designed for surface mount applications. It offers various fault protection features, including over load, over power, over temperature, over voltage, and short circuit protection. The control features include soft start functionality.

 

The VIPER318LDTR is specified for an operating temperature range of -40°C to 150°C (TJ). It is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited. The topology supports Boost, Buck, Buck-Boost, and Flyback configurations, with non-isolated output.

 

This component is suitable for power supply designs requiring efficient and reliable offline switching. Its compact package and integrated features make it a versatile choice for various electronic products.

VIPER318LDTR Quick Information

Product Type: Offline Switch IC
Series: VIPER318
Canonical Name: VIPER318LDTR Offline Switch IC
Subcategory: Offline Switches

VIPER318LDTR Compliance

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

VIPER318LDTR Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

VIPER318LDTR Features

  • Offline switch IC for AC/DC conversion.
  • Wide 4.5V to 30V operating voltage range.
  • 1W maximum power output capability.
  • Integrated soft start and fault protection.
  • Surface mount 16-SOIC package.

VIPER318LDTR Applications

  • Used in offline power supplies.
  • Suitable for AC/DC converters.
  • Ideal for low power applications.
  • Supports multiple switching topologies.

VIPER318LDTR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the VIPER318LDTR?

The operating voltage range is 4.5V to 30V.

What package is the VIPER318LDTR available in?

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

What is the operating temperature range of the VIPER318LDTR?

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

What is the switching frequency of the VIPER318LDTR?

The switching frequency is 132 kHz.

What topologies does the VIPER318LDTR support?

It supports boost, buck, buck-boost, and flyback topologies.

What fault protections are included in the VIPER318LDTR?

Fault protections include over load, over power, over temperature, over voltage, and short circuit.

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