VIPER28

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VIPerPlus系列：峰值功率固定频率离线高压转换器

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产品概述

描述

The device is a high-voltage converter that smartly integrates an 800 V rugged power MOSFET with PWM current-mode control.This IC is capable of meeting more stringent energy-saving standards as it has very low consumption and operates in burst mode under light load. The device features an adjustable extra power timer (EPT) that enables the IC to sustain overload conditions for a few seconds. The integrated HV startup, sense FET and oscillator with jitter allow the advantage of using minimal components in the application. The device features high-level protections like dual-level OCP, output overvoltage, short-circuit, and thermal shutdown with hysteresis. After the removal of a fault condition, the IC is automatically restarted.

  • 所有功能

    • 800 V avalanche-rugged power MOSFET allowing achieving ultra wide-range input Vac
    • Embedded HV startup and sense FET
    • PWM current-mode controller
    • OCP with selectable threshold (IDlim) and 2ndOCP with higher value (IDMAX) to protect the IC from transformer saturation or short-circuit of the secondary diode
    • 30 mW no-load consumption at 230 Vac
    • Two operating frequencies:
      • 60 kHz (L type) or 115 kHz (H type)
    • Jittered frequency reduces the EMI
    • Extra power timer (EPT) blanks the overload current for few seconds
    • Output overvoltage protection with tight tolerance and digital noise filter
    • Soft-start reduces the stress during startup and increases IC lifetime
    • Automatic restart after a fault condition
    • Thermal shutdown increases system reliability and IC lifetime
    阅读更多 阅读较少信息

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eDesignSuite

eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Power Management Design Center

Thermal-electrical Simulators for Components

Signal Conditioning Design Tool

NFC/RFID Calculators

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Power Management Design Center

Power Supply Design Tool

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太阳能电池充电器
Power Management Design Center

LED Lighting Design Tool

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Power Management Design Center

Digital Power Workbench

• Provides a step-by-step optimized design of power section and control loop
• Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs
Power Management Design Center

Power Tree Designer

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Thermal-electrical Simulators for Components

AC Switches Simulator

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Thermal-electrical Simulators for Components

Rectifier Diodes Simulator

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Thermal-electrical Simulators for Components

STPOWER Studio

• Supports long mission profiles
• Provides power loss and temperature graphs
• Helps define heatsink thermal properties
Thermal-electrical Simulators for Components

Twister Sim

• Help select the right ViPOWER Automotive power device
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• Supports various PCB configurations
Thermal-electrical Simulators for Components

TVS Simulator

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Thermal-electrical Simulators for Components

Estimate

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Signal Conditioning Design Tool

Active Filters

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Signal Conditioning Design Tool

Comparators

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Signal Conditioning Design Tool

Low side Current Sensing

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Signal Conditioning Design Tool

High side Current Sensing

• Provides current error graphs.
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NFC/RFID Calculators

NFC Inductance

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NFC/RFID Calculators

UHF Link Budget

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• The tool returns link budget estimate
NFC/RFID Calculators

NFC Tuning Circuit

• Enter antenna parameter and matching target
• Select the topology of the matching network
• The tool returns component values for the desired design targets

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EDA符号、封装和3D模型

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Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.

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封装

3D model

3D模型

质量与可靠性

产品型号 Marketing Status 包 等级规格 符合RoHS级别 材料声明**
VIPER28HD
批量生产
SO-16 工业 Ecopack2
VIPER28HDTR
批量生产
SO-16 工业 Ecopack2
VIPER28HN
批量生产
PDIP 7 工业 Ecopack2
VIPER28LD
批量生产
SO-16 工业 Ecopack2
VIPER28LDTR
批量生产
SO-16 工业 Ecopack2
VIPER28LN
批量生产
PDIP 7 工业 Ecopack2

VIPER28HD

Package:

SO-16

Material Declaration**:

PDF XML
More Info

Marketing Status

批量生产

Package

SO-16

Grade

Industrial

RoHS Compliance Grade

Ecopack2

VIPER28HDTR

Package:

SO-16

Material Declaration**:

PDF XML
More Info

Marketing Status

批量生产

Package

SO-16

Grade

Industrial

RoHS Compliance Grade

Ecopack2

VIPER28HN

Package:

PDIP 7

Material Declaration**:

More Info

Marketing Status

批量生产

Package

PDIP 7

Grade

Industrial

RoHS Compliance Grade

Ecopack2

VIPER28LD

Package:

SO-16

Material Declaration**:

PDF XML
More Info

Marketing Status

批量生产

Package

SO-16

Grade

Industrial

RoHS Compliance Grade

Ecopack2

VIPER28LDTR

Package:

SO-16

Material Declaration**:

PDF XML
More Info

Marketing Status

批量生产

Package

SO-16

Grade

Industrial

RoHS Compliance Grade

Ecopack2

VIPER28LN

Package:

PDIP 7

Material Declaration**:

More Info

Marketing Status

批量生产

Package

PDIP 7

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持。

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(*) 建议转售单价（美元）仅用于预算用途。如需以当地货币计价的报价，请联系您当地的 ST销售办事处 或我们的 经销商。

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