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HomeProductsIntegrated Circuits (ICs)PMIC - AC DC Converters, Offline SwitchersVIPER38LE
VIPER38LE Image
Image may be representation.
See specifications for product details.

VIPER38LE - STMicroelectronics

Manufacturer Part Number
VIPER38LE
Manufacturer
STMicroelectronics
Allelco Part Number
32D-VIPER38LE
ECAD Model
Parts Description
IC OFFLINE SWITCH FLYBACK 10DIP
Detailed Description
Package
10-SDIP (0.300', 7.62mm)
Data sheet
VIPER38.pdf
RoHs Status
ROHS3 Compliant
In stock: 40200

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Quantity

Specifications

VIPER38LE Tech Specifications
STMicroelectronics - VIPER38LE technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - VIPER38LE

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 10-SDIP  
Series VIPer™ plus  
Power (Watts) 20 W  
Package / Case 10-SDIP (0.300', 7.62mm)  
Package Tube  
Product Attribute Attribute Value  
Output Isolation Isolated  
Operating Temperature -40°C ~ 150°C (TJ)  
Mounting Type Through Hole  
Internal Switch(s) Yes  
Frequency - Switching 60kHz  
Fault Protection Current Limiting, Over Temperature, Over Voltage, Short Circuit  
Duty Cycle 80%  
Control Features -  
Base Product Number VIPER38  

Parts Introduction

Manufacturer Part Number

VIPER38LE

Manufacturer

stmicroelectronics

Introduction

VIPER38LE is part of the VIPer™ plus series, designed for power management applications, specifically AC DC converters and offline switches.

Product Features and Performance

Integrated with an 800V avalanche-rugged power section.

Capable of delivering 20 watts of power.

Flyback topology for efficient power conversion.

Features internal switches for streamlined operation.

Offers start-up voltage of 14V and operates on a supply voltage range from 8.5V to 23.5V.

Supports a duty cycle up to 80% for high efficiency.

Switching frequency set at 60kHz to balance efficiency and component size.

Comes with comprehensive fault protection including current limiting, overtemperature, overvoltage, and short circuit.

Product Advantages

High breakdown voltage of 800V ensures robust operation in harsh conditions.

The integrated power MOSFET reduces external component count.

Built-in fault protection enhances system reliability and safety.

The 80% duty cycle allows for high power output with reduced thermal stress.

Key Technical Parameters

Voltage Breakdown: 800V

Voltage Start Up: 14V

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

Duty Cycle: 80%

Frequency Switching: 60kHz

Power (Watts): 20W

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

Quality and Safety Features

Integrated protection mechanisms for current, temperature, voltage, and circuit integrity.

Designed to meet rigorous industry standards for safety and reliability.

Compatibility

Through-hole mounting facilitates compatibility with a wide range of PCB designs.

The VIPER38LE is designed for flexibility in various AC/DC power supplies applications.

Application Areas

Suitable for offline power supplies.

Ideal for consumer electronics, home appliances, and industrial control systems.

Product Lifecycle

Currently active product with no known discontinuation notice.

Continuous support and availability of replacements or upgrades.

Several Key Reasons to Choose This Product

Robust design capable of handling up to 800V, ensuring operation in unstable voltage conditions.

The integration of multiple protection features guarantees the longevity and reliability of the application.

Efficiency is optimized through an 80% duty cycle and 60kHz switching frequency.

Suitable for a broad range of applications due to its versatile power range and temperature operation range.

Stmicroelectronics' reputable manufacturing ensures product quality and reliability.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics VIPER38LE

Product Attribute VIPER38LE VIPER50A-22-E VIPER37HE VIPER37LE
Part Number VIPER38LE VIPER50A-22-E VIPER37HE VIPER37LE
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Frequency - Switching 60kHz Up to 200kHz 115kHz 60kHz
Package Tube Tube Tube Tube
Operating Temperature -40°C ~ 150°C (TJ) - -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ)
Topology Flyback Flyback Flyback Flyback
Duty Cycle 80% - 80% 80%
Internal Switch(s) Yes Yes Yes Yes
Output Isolation Isolated Isolated Isolated Isolated
Voltage - Start Up 14 V 11 V 14 V 14 V
Mounting Type Through Hole Surface Mount Through Hole Through Hole
Series VIPer™ plus VIPER™ VIPer™ plus VIPer™ plus
Package / Case 10-SDIP (0.300', 7.62mm) Pentawatt-5 HV (Bent and Staggered Leads) 10-SDIP (0.300', 7.62mm) 10-SDIP (0.300', 7.62mm)
Base Product Number VIPER38 VIPER50 VIPER37 VIPER37
Fault Protection Current Limiting, Over Temperature, Over Voltage, Short Circuit Current Limiting, Over Temperature Current Limiting, Over Temperature, Over Voltage Current Limiting, Over Temperature, Over Voltage
Supplier Device Package 10-SDIP 5-PENTAWATT 10-SDIP 10-SDIP
Voltage - Breakdown 800V 700V 800V 800V
Voltage - Supply (Vcc/Vdd) 8.5V ~ 23.5V 8V ~ 15V 8.5V ~ 23.5V 8.5V ~ 23.5V
Control Features - Frequency Control, Soft Start, Sync - -
Power (Watts) 20 W 50 W 20 W 20 W

VIPER38LE Datasheet PDF

Download VIPER38LE pdf datasheets and STMicroelectronics documentation for VIPER38LE - STMicroelectronics.

PCN Design/Specification
Cylindrical Battery Holders.pdf
HTML Datasheet
VIPER38.pdf
PCN Assembly/Origin
VIPER 05/Jan/2022.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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VIPER38LE Image

VIPER38LE

STMicroelectronics
32D-VIPER38LE

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