Datasheet > STR5A464S

STR5A464S

更新时间： 2024-09-24 17:15:27

品牌	Logo	应用领域
三垦 - SANKEN		开关
页数	文件大小	规格书
23页	618K
描述
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，本公司拥有各种丰富的AC/DC电源转换产品，根据不同的应用，设计电流谐振、准谐振等相对应控制方式，提供高效率的电源。

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中文翻译

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数据手册

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STR5A464S 数据手册

For Non-Isolated

Off-Line PWM Controllers with Integrated Power MOSFET

STR5A464x Series

Data Sheet

Description

The STR5A464x Series is power ICs for switching

Package

power supplies, incorporating a MOSFET and a current

mode PWM controller IC for non-isolated Buck converter

and Inverting converter topologies.

The operation mode is automatically changed, in

response to load, to the fixed switching frequency, to the

switching frequency control, and to the burst oscillation

mode. Thus the power efficiency is improved.

DIP8

S/GND

VCC

D/ST

S/GND

The product achieves high cost-performance power

supply systems with few external components.

SOIC8

VCC

Features

S/GND

● Pb-free (RoHS compliant)

● Buck Converter

● Inverting Converter

D/ST

S/GND

● Current Mode PWM Control

● Automatically Switch the Operation Mode According

to the Load

Not to scale

Heavy Load: 60 kHz (typ.) Fixed Switching Frequency

Mode

Medium Load: Green Mode, 23 kHz (typ.) to 60 kHz

(typ.)

Selection Guide

● Electrical Characteristics

f_OSC(AVG)= 60 kHz (typ.)

V_D/ST= 700V (max.)

Light Load: Burst Oscillation Mode

● No Current Detection Resistor Required

(Built-in Current Sensing MOSFET)

● Built-in Startup Function

R_DS(ON)

Part Number

I_DLIM

(typ.)

Package

(max.)

● Built-in Error Amplifier

STR5A464D

13.6 Ω

DIP8

● Random Switching Function

● Leading Edge Blanking Function

● Soft Start Function

0.41 A

STR5A464S

SOIC8

● Protections

Recommended Operating Condition

Overload Protection (OLP): Auto-restart

Overvoltage Protection (OVP): Auto-restart

Thermal Shutdown with Hysteresis (TSD): Auto-restart

Buck

Inverting

Converter

Input Voltage

AC 85 V to AC 265 V

Typical Application

(Buck Convertor, STR5A464S)

D/ST Input

Voltage

≥ 40 V

Output Voltage

Range*

> 11 V

< 27.5 V

> – 27.5 V

< – 11 V

*Add a zener diode or a regulator to VCC pin when

target output voltage is high.

VCC

S/GND

Applications

S/GND

V_OUT

(+)

● White Goods

● Auxiliary Power Supply

FR1 DR1

D/ST

(lighting Equipment with Microcomputer, etc.)

● Power Supply for Motor Control (actuator, etc.)

● Telecommunication Equipment

(Convertible from 48 VDC to 15 VDC)

● Other SMPS

STR5A464S

VAC

(-)

STR5A464x-DSE Rev.3.7

Nov. 10, 2023

SANKEN ELECTRIC CO., LTD.

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

12 3 4 5 6 7...23

中文翻译

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