Datasheet > STR3A255

STR3A255

更新时间： 2024-11-10 00:59:03

品牌	Logo	应用领域
三垦 - SANKEN		/
页数	文件大小	规格书
25页	681K
描述
Off-Line PWM Controllers with Integrated Power MOSFET

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中文翻译

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STR3A255 数据手册

Off-Line PWM Controllers with Integrated Power MOSFET

STR3A200 Series

Data Sheet

Description

Package

The STR3A200 series are power ICs for switching

power supplies, incorporating a MOSFET and a current

mode PWM controller IC.

DIP8

The low standby power is accomplished by the

automatic switching between the PWM operation in

normal operation and the burst-oscillation under light

load conditions. The product achieves high

cost-performance power supply systems with few

external components.

Not to Scale

Lineup

● Electrical Characteristics

Features

f_OSC(AVG)= 67 kHz

V_DSS(min.) = 650 V

● Low Thermal Resistance Package

● Current Mode Type PWM Control

● Soft Start Function

Products

OVP, TSD Operation

● Auto Standby Function

No Load Power Consumption < 15mW

● Operation Mode

STR3A25×

Latched shutdown

Auto restart

STR3A25×D

Normal Operation: PWM Mode

Standby : Burst Oscillation Mode

● Random Switching Function

● Slope Compensation Function

● Leading Edge Blanking Function

● Bias Assist Function

● MOSFET オン抵抗、出力電力 P_OUT

P_OUT

(Open frame)

(Adapter)

R_DS(ON)

(max.)

Products

AC85

~265V

AC230V

~265V

STR3A251

STR3A251D

STR3A253

STR3A253D

STR3A255

STR3A255D

● Protections

4.0 Ω 29.5 W 19.5 W 37 W 23 W

− Two Types of Overcurrent Protection (OCP) :

Pulse-by-Pulse, built-in compensation circuit to

minimize OCP point variation on AC input voltage

− Overload Protection (OLP) : Aauto-restart

− Overvoltage Protection (OVP) : Latched shutdown or

auto-restart

1.9 Ω

1.1 Ω

37 W 27.5 W 53 W 35 W

45 W 35 W 65 W 44 W

− Thermal Shutdown (TSD) : Latched shutdown or

auto-restart with hysteresis

* The output power is actual continues power that is measured at

50 °C ambient. The peak output power can be 120 to 140 % of

the value stated here. Core size, ON Duty, and thermal design

affect the output power. It may be less than the value stated here.

Typical Application Circuit

Application

L51

BR1

D51

C51

VOUT

VAC

● AC/DC adapter

● White goods

● Other SMPS

R54

R51

PC1

R52

R55

C53

C52 R53

R56

D2 R2

D/ST D/ST

DN/SCT D/ST

GND

STR3A200

S/OCP VCC

FB/OLP

GND

R_OCP

C_Y

PC1

TC_STR3A200_1_R1

STR3A200 - DSJ Rev.2.0

May.18, 2015

SANKEN ELECTRIC CO.,LTD.

http://www.sanken-ele.co.jp

12 3 4 5 6 7...25

中文翻译

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与STR3A255相关器件

型号	品牌	获取价格	描述	数据表
STR3A255D	SANKEN	获取价格	Off-Line PWM Controllers with Integrated Power MOSFET
STR3A400	SANKEN	获取价格	Off-Line PWM Controllers with Integrated Power MOSFET
STR3A400HDL	SANKEN	获取价格	Off-Line PWM Controllers with Integrated Power MOSFET
STR3A451	SANKEN	获取价格	Off-Line PWM Controllers with Integrated Power MOSFET
STR3A451D	SANKEN	获取价格	Off-Line PWM Controllers with Integrated Power MOSFET
STR3A453	SANKEN	获取价格	Off-Line PWM Controllers with Integrated Power MOSFET
STR3A453D	SANKEN	获取价格	Off-Line PWM Controllers with Integrated Power MOSFET
STR3A455	SANKEN	获取价格	Off-Line PWM Controllers with Integrated Power MOSFET
STR3A455D	SANKEN	获取价格	Off-Line PWM Controllers with Integrated Power MOSFET
STR3A461HDL	SANKEN	获取价格	将高效率的开关元件和控制IC集成到于一个封装内，从小型功率IC，到可灵活设计电洛的控制IC

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