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HomeProductsIntegrated Circuits (ICs)PMIC - AC DC Converters, Offline SwitchersVIPER12AS
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VIPER12AS - STMicroelectronics

Manufacturer Part Number
VIPER12AS
Manufacturer
STMicroelectronics
Allelco Part Number
32D-VIPER12AS
ECAD Model
Parts Description
IC OFFLINE SWITCH 8SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Data sheet
VIPER12ADIP/AS.pdf
Our certification
In stock: 3670

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Specifications

VIPER12AS Tech Specifications
STMicroelectronics - VIPER12AS technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - VIPER12AS

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Supply (Vcc/Vdd) 9V ~ 38V  
Voltage - Start Up 14.5 V  
Voltage - Breakdown 730V  
Topology -  
Supplier Device Package 8-SOIC  
Series VIPER™  
Power (Watts) 8 W  
Package / Case 8-SOIC (0.154", 3.90mm Width)  
Package Tube  
Product Attribute Attribute Value  
Output Isolation Non-Isolated  
Operating Temperature -40°C ~ 150°C (TC)  
Mounting Type Surface Mount  
Internal Switch(s) Yes  
Frequency - Switching 60kHz  
Fault Protection Current Limiting, Over Temperature, Over Voltage  
Duty Cycle -  
Control Features -  
Base Product Number VIPER12  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

VIPER12AS

Manufacturer

stmicroelectronics

Introduction

The VIPER12AS is an AC DC converter from STMicroelectronics, designed for low power applications with a focus on providing a solution for compact power supplies.

Product Features and Performance

Integrated Power MOSFET

60kHz switching frequency

8W output power

Non-isolated power conversion

Supports wide input voltage from 9V to 38V

Built-in over temperature, over voltage, and current limiting protections

Product Advantages

High voltage capability up to 730V

Start up voltage of 14.5V

Compact size in 8-SOIC package

Suitable for direct operation from rectified mains

Key Technical Parameters

Voltage - Breakdown: 730V

Voltage - Start Up: 14.5 V

Voltage - Supply (Vcc/Vdd): 9V ~ 38V

Operating Frequency: 60kHz

Power Output: 8 Watts

Operating Temperature: -40°C ~ 150°C (TC)

Quality and Safety Features

Current limiting

Over temperature protection

Over voltage protection

Compatibility

Suited for applications requiring non-isolated power conversion within the voltage and power specifications

Application Areas

Low power household and office equipment

Auxiliary power supplies

Standby power supplies

Product Lifecycle

Status: Obsolete

Note: This product is no longer being manufactured; check for potential replacement or upgrade options

Several Key Reasons to Choose This Product

High integration reduces external component count

Robust performance with built-in fault protections

Efficient power management for low power applications

Wide temperature range suitable for various environments

Designed for energy-efficient power solutions in compact form factors

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics VIPER12AS

Product Attribute VIPER12AS VIPER15HN VIPER12ADIP VIPER12ADIP-E
Part Number VIPER12AS VIPER15HN VIPER12ADIP VIPER12ADIP-E
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Supplier Device Package 8-SOIC 7-DIP 8-DIP 8-DIP
Series VIPER™ VIPer™ plus VIPER™ VIPER™
Duty Cycle - - - -
Mounting Type Surface Mount Through Hole Through Hole Through Hole
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-DIP (0.300', 7.62mm), 7 Leads 8-DIP (0.300", 7.62mm) 8-DIP (0.300', 7.62mm)
Control Features - - - -
Voltage - Breakdown 730V 800V 730V 730V
Package Tube Tube Tube Tube
Topology - Flyback - -
Operating Temperature -40°C ~ 150°C (TC) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TC) -40°C ~ 150°C (TC)
Voltage - Start Up 14.5 V 14 V 14.5 V 14.5 V
Frequency - Switching 60kHz 225kHz 60kHz 60kHz
Voltage - Supply (Vcc/Vdd) 9V ~ 38V 8.5V ~ 23.5V 9V ~ 38V 9V ~ 38V
Power (Watts) 8 W 10 W 13 W 13 W
Fault Protection Current Limiting, Over Temperature, Over Voltage Current Limiting, Over Temperature, Over Voltage Current Limiting, Over Temperature, Over Voltage Current Limiting, Over Temperature, Over Voltage
Output Isolation Non-Isolated Isolated Non-Isolated Non-Isolated
Internal Switch(s) Yes Yes Yes Yes
Base Product Number VIPER12 VIPER15 VIPER12 VIPER12

VIPER12AS Datasheet PDF

Download VIPER12AS pdf datasheets and STMicroelectronics documentation for VIPER12AS - STMicroelectronics.

Datasheets
VIPER12ADIP/AS.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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VIPER12AS

STMicroelectronics
32D-VIPER12AS

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