Datasheet > STR3A453

STR3A453

更新时间： 2024-11-10 00:58:23

品牌	Logo	应用领域
三垦 - SANKEN		/
页数	文件大小	规格书
26页	719K
描述
Off-Line PWM Controllers with Integrated Power MOSFET

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STR3A453 数据手册

Off-Line PWM Controllers with Integrated Power MOSFET

STR3A400 Series

Data Sheet

Description

Package

The STR3A400 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

Features

● Electrical Characteristics

f_OSC(AVG)(typ.) = 65 kHz

V_DSS(min.) = 650 V

● Low Thermal Resistance Package

● Improving circuit efficiency (Since the step drive

control can keep V_RMof secondary rectification

diodes low, the circuit efficiency can be improved by

low V_F)

Products

STR3A45×

OVP, TSD Operation

Latched shutdown

Auto-restart

● Current Mode Type PWM Control

● Soft Start Function

STR3A45×D

● Automatic Standby Function

No Load Power Consumption < 15mW

● Operation Mode

Normal Operation -----------------------------PWM Mode

Light Load Operation ------------------------ Green-Mode

Standby---------------------------- Burst Oscillation Mode

● Random Switching Function

● Slope Compensation Function

● Leading Edge Blanking Function

● Bias Assist Function

● MOSFET ON Resistance and Output Power, P_OUT

P_OUTP_OUT

(Adapter) (Open frame)

AC85

~265V

R_DS(ON)

(max.)

Products

AC85

~265V

AC230V

37 W

STR3A451

STR3A451D

STR3A453

STR3A453D

STR3A455

STR3A455D

4.0 Ω 29.5 W 19.5 W

23 W

1.9 Ω

1.1 Ω

37 W

45 W

27.5 W

35 W

53 W

65 W

35 W

44 W

● Protections

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): Auto-restart

Overvoltage Protection (OVP): Latched shutdown or

auto-restart

* 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.

Thermal Shutdown (TSD): Latched shutdown or

auto-restart with hysteresis

Typical Application

Applications

L51

● AC/DC adapter

● White goods

● Other SMPS

BR1

D51

C51

VOUT

VAC

R54

R51

PC1

R52

R55

C53

C52 R53

U51

R56

D2 R2

D/ST D/ST

DN/SCT D/ST

GND

STR3A400

S/OCP VCC

FB/OLP

GND

R_OCP

C_Y

PC1

TC_STR3A400_1_R2

STR3A400-DSE Rev.2.1

Sept. 18, 2015

SANKEN ELECTRIC CO.,LTD.

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

12 3 4 5 6 7...26

中文翻译

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与STR3A453相关器件

型号	品牌	获取价格	描述	数据表
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
STR3A461HL	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
STR3A462HDL	SANKEN	获取价格	Off-Line PWM Controllers with Integrated Power MOSFET
STR3A463HDL	SANKEN	获取价格	Off-Line PWM Controllers with Integrated Power MOSFET
STR3A475HDL	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
STR3-RGB-CA	HB	获取价格	LED
STR3W422MXD	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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