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HomeProductsIntegrated Circuits (ICs)PMIC - AC DC Converters, Offline SwitchersVIPER38HD
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VIPER38HD - STMicroelectronics

Manufacturer Part Number
VIPER38HD
Manufacturer
STMicroelectronics
Allelco Part Number
32D-VIPER38HD
ECAD Model
Parts Description
IC OFFLINE SWITCH FLYBACK 16SO
Package
16-SOIC (0.154", 3.90mm Width)
Data sheet
VIPER38.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 48350

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Specifications

VIPER38HD Tech Specifications
STMicroelectronics - VIPER38HD technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - VIPER38HD

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Supply (Vcc/Vdd) 8.5V ~ 23.5V  
Voltage - Start Up 14 V  
Voltage - Breakdown 800V  
Topology Flyback  
Supplier Device Package 16-SO  
Series VIPer™ plus  
Power (Watts) 20 W  
Package / Case 16-SOIC (0.154", 3.90mm Width)  
Package Tube  
Product Attribute Attribute Value  
Output Isolation Isolated  
Operating Temperature -40°C ~ 150°C (TJ)  
Mounting Type Surface Mount  
Internal Switch(s) Yes  
Frequency - Switching 115kHz  
Fault Protection Current Limiting, Over Temperature, Over Voltage, Short Circuit  
Duty Cycle 80%  
Control Features -  
Base Product Number VIPER38  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

VIPER38HD

Manufacturer

stmicroelectronics

Introduction

The VIPER38HD is a high-performance, isolated AC DC converter and offline switch, part of the VIPer™ plus series.

Product Features and Performance

Integrated with internal switches

Flyback topology for efficient power conversion

High breakdown voltage of 800V for robust operation

Supports a wide range of supply voltages from 8.5V to 23.5V

Maximum duty cycle of 80%

Switching frequency at 115kHz for optimal performance

Power capability of 20 Watts

Product Advantages

Capable of operating in tough temperature conditions ranging from -40°C to 150°C

Current limiting, over-temperature protection, over-voltage protection, and short-circuit protection enhance product reliability

Offers high efficiency in power conversion and management

Key Technical Parameters

Voltage Breakdown: 800V

Voltage Start Up: 14 V

Voltage Supply (Vcc/Vdd): 8.5V ~ 23.5V

Duty Cycle: 80%

Frequency Switching: 115kHz

Power (Watts): 20 W

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

Quality and Safety Features

Over temperature protection

Over voltage protection

Short circuit protection

Current limiting features

Compatibility

Package type: 16-SOIC, suitable for surface mount applications

Application Areas

Suitable for power management in consumer electronics, telecommunications, and industrial equipment.

Product Lifecycle

Currently in active production status

Not close to discontinuation, ensuring availability for future use

Supports upgrades and replacements as part of the VIPer™ plus series

Several Key Reasons to Choose This Product

High reliability and robust operation with a breakdown voltage of 800V

Flexible input voltage range and high duty cycle for varied applications

Comprehensive fault protection ensures long-term durability

High-frequency operation at 115kHz provides efficient performance

Suitable for a wide range of operating temperatures ensuring versatility in application environments

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics VIPER38HD

Product Attribute VIPER38HD VIPER35LDTR VIPER38LE VIPER50A-22-E
Part Number VIPER38HD VIPER35LDTR VIPER38LE VIPER50A-22-E
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Voltage - Start Up 14 V 14 V 14 V 11 V
Mounting Type Surface Mount Surface Mount Through Hole Surface Mount
Output Isolation Isolated Isolated Isolated Isolated
Frequency - Switching 115kHz 136kHz 60kHz Up to 200kHz
Power (Watts) 20 W 22 W 20 W 50 W
Fault Protection Current Limiting, Over Temperature, Over Voltage, Short Circuit Current Limiting, Over Temperature, Over Voltage, Short Circuit Current Limiting, Over Temperature, Over Voltage, Short Circuit Current Limiting, Over Temperature
Internal Switch(s) Yes Yes Yes Yes
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -
Control Features - - - Frequency Control, Soft Start, Sync
Voltage - Supply (Vcc/Vdd) 8.5V ~ 23.5V 8.5V ~ 23.5V 8.5V ~ 23.5V 8V ~ 15V
Series VIPer™ plus - VIPer™ plus VIPER™
Duty Cycle 80% - 80% -
Topology Flyback Flyback Flyback Flyback
Supplier Device Package 16-SO 16-SO 10-SDIP 5-PENTAWATT
Base Product Number VIPER38 VIPER35 VIPER38 VIPER50
Package Tube Tape & Reel (TR) Tube Tube
Package / Case 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 10-SDIP (0.300', 7.62mm) Pentawatt-5 HV (Bent and Staggered Leads)
Voltage - Breakdown 800V 800V 800V 700V

VIPER38HD Datasheet PDF

Download VIPER38HD pdf datasheets and STMicroelectronics documentation for VIPER38HD - STMicroelectronics.

PCN Packaging
Material Barrier Bag 17/Dec/2020.pdf
PCN Assembly/Origin
Mult Dev 11/Nov/2022.pdf
HTML Datasheet
VIPER38.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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VIPER38HD Image

VIPER38HD

STMicroelectronics
32D-VIPER38HD

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