Datasheet > VIPER317HDTR

VIPER317HDTR

更新时间： 2024-11-17 02:49:51

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
40页	1107K
描述
Energy saving offline high voltage converter

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VIPER317HDTR 数据手册

VIPER31

Datasheet

Energy saving offline high voltage converter

Features

•

800 V avalanche-rugged power MOSFET to cover ultra-wide VAC input range

Embedded HV startup and sense FET

Current mode PWM controller

Drain current limit protection (OCP):

–

710 mA (VIPER317)

850 mA (VIPER318)

990 mA (VIPER319)

D_IN

R_IN

VCC

DRAIN

GND

OVP

VIPER31

CONTROL

COMP

•

Wide supply voltage range: 4.5 V to 30 V

UVP

C_IN

D_AUX

–

< 20 mW @ 230 V_ACin no-load;

< 430 mW @ 230 V_AC, 25 0mW output load

L_OUT

V_OUT

GND

Jittered switching frequency reduces the EMI filter cost:

C_OUT

–

30 kHz ± 7% (type X)

60 kHz ± 7% (type L)

132 kHz ±7% (type H)

GND

•

Embedded E/A with 1.2 V reference

Built-in soft-start for improved system reliability

Protections with automatic restart:

–

overload/short-circuit (OLP)

thermal shutdown

overvoltage

Product status link

•

Protections without automatic restart:

VIPER31

–

pulse-skip protection to avoid flux runaway

undervoltage/disable

Product label

max. duty cycle

Application

•

Low power SMPS for home appliances, home automation, industrial,

consumers, lighting

•

Low power adapters

Description

The VIPER31 device is a high-voltage converter that smartly integrates an 800

V avalanche rugged power MOSFET with PWM current-mode control. The 800 V

breakdown allows extended input voltage range to be applied, as well as to reduce

the size of the DRAIN snubber circuit. The IC can meet the most stringent energy-

saving standards as it has very low consumption and operates in pulse frequency

modulation at light load. Overvoltage and undervoltage protections with separate and

settable intervention thresholds are available at OVP and UVP pins respectively. UVP

can also be used as a disabling input for the entire SMPS, with ultra-low residual

input power consumption. Integrated HV startup, sense FET, error amplifier and

oscillator with frequency jitter allow a complete application to be designed with a

minimum component count. Flyback, buck and buck boost topologies are supported.

DS13285 - Rev 3 - November 2020

For further information contact your local STMicroelectronics sales office.

www.st.com

12 3 4 5 6 7...40

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与VIPER317HDTR相关器件

型号	品牌	获取价格	描述	数据表
VIPER317LDTR	STMICROELECTRONICS	获取价格	Energy saving offline high voltage converter
VIPER318HDTR	STMICROELECTRONICS	获取价格	Energy saving offline high voltage converter
VIPER318LDTR	STMICROELECTRONICS	获取价格	Energy saving offline high voltage converter
VIPER318XDTR	STMICROELECTRONICS	获取价格	Energy saving offline high voltage converter
VIPER319HDTR	STMICROELECTRONICS	获取价格	Energy saving offline high voltage converter
VIPER319LDTR	STMICROELECTRONICS	获取价格	Energy saving offline high voltage converter
VIPER319XDTR	STMICROELECTRONICS	获取价格	Energy saving offline high voltage converter
VIPER31SP	STMICROELECTRONICS	获取价格	BATTERY CHARGER PRIMARY I.C.
VIPER35	STMICROELECTRONICS	获取价格	VIPerPlus系列：准谐振高性能离线高压转换器
VIPER37	STMICROELECTRONICS	获取价格	VIPerPlus family: fixed frequency offline converter

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