Datasheet > CS51022

CS51022

更新时间： 2024-09-13 22:28:47

品牌	Logo	应用领域
樱桃 - CHERRY		控制器
页数	文件大小	规格书
9页	171K
描述
Enhanced Current Mode PWM Controller

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中文翻译

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数据手册

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CS51022 数据手册

CS51021/CS51023

CS51022/CS51024

Enhanced Current Mode

PWM Controller

Description

Features

The CS51021/22/23/24 Fixed

Frequency PWM Current Mode

Controller family provides all neces- ing, current slope compensation,

sary features required for AC-DC or accurate duty cycle control and an

DC-DC primary side control.

Several features are included elimi-

nating the additional components

needed to implement them external- bility, while the CS51022 and

ly. In addition to low start-up cur-

rent (75µA) and high frequency

operation capability, the CS51021/

22/23/24 family includes overvolt-

age and undervoltage monitoring,

externally programmable dual

threshold overcurrent protection,

current sense leading edge blank-

ꢀ 75µA Max. Startup Current

ꢀ Fixed Frequency Current

Mode Control

externally available 5V reference.

The CS51021 and CS51023 feature

bidirectional synchronization capa-

ꢀ 1MHz Switching Frequency

ꢀ Undervoltage Protection

Monitor

ꢀ Overvoltage Protection

CS51024 offer a sleep mode with

100µA maximum IC current con-

sumption. The CS51021/22/23/24

family is available in a 16 lead nar-

row body SO package.

Monitor with

Programmable Hysteresis

ꢀ Programmable Dual

Threshold Overcurrent

Protection with Delayed

Restart

ꢀ Programmable Soft Start

Device

Sleep/Synch

V_CCStart/Stop

8.25V/7.7V

13V/7.7V

ꢀ Accurate Maximum Duty

Cycle Limit

CS51021

CS51022

CS51023

CS51024

Synch

Sleep

Synch

Sleep

ꢀ Programmable Slope

Compensation

ꢀ Leading Edge Current

13V/7.7V

Sense Blanking

ꢀ 1A Sink/Source Gate Drive

ꢀ Bidirectional Synchronization

(CS51021/23)

Typical Application Diagram

100

(36V to 72V)

ꢀ 50ns PWM Propagation

PGND

BAS21

1µF

51k

Delay

18V

SYNC/SLEEP

22µF

ꢀ 100µA Max Sleep Current

11V

100:1

10K

0.1µF

FZT688

2:5

MBRB2060CT

200K,1%

4:1

(CS51022/24)

24.3K

OUT

(5V/5A)

V_C

V_REF

V_CC

0.01µF

4700pF

51K

2.49K,1%

BA521

22K

10K

100µF

680pF

COMP

Package Options

SGND

100pF

V_FB

I_SET

R_TC_T

16 Lead SO Narrow

SLOPE

GATE

IRF6345

SYNC/

SLEEP

I_SENSE

C_SS

6.98k,

100

100p

330pF

PGnd

GATE

SENSE

LGnd U1

0.01µF

470pF

PGnd

SLEEP

or SYNC

SLOPE

0.1µF

5.1K

REF

TL431

2K, 1%

1000pF

LGnd

180

2K,1%

10K

R C

COMP

MOC81025

SET

Consult factory for other package options.

36-72V to 5V, 5A DC-DC Convertor

Cherry Semiconductor Corporation

2000 South County Trail, East Greenwich, RI 02818

Tel: (401)885-3600 Fax: (401)885-5786

Email: info@cherry-semi.com

Web Site: www.cherry-semi.com

Rev. 2/22/99

Company

12 3 4 5 6 7...9

中文翻译

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与CS51022相关器件

型号	品牌	获取价格	描述	数据表
CS-51022	ETC	获取价格	Enhanced Current Mode PWM Controller
CS51022A	ONSEMI	获取价格	Enhanced Current Mode PWM Controller
CS51022ADB	ONSEMI	获取价格	IC 1 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16, TSSOP-16, Switching Regu
CS51022ADBG	ONSEMI	获取价格	Enhanced Current Mode PWM Controller
CS51022ADBR2	ONSEMI	获取价格	1A SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO16, TSSOP-16
CS51022ADBR2G	ONSEMI	获取价格	Enhanced Current Mode PWM Controller
CS51022AED16	ONSEMI	获取价格	Enhanced Current Mode PWM Controller
CS51022AEDR16	ONSEMI	获取价格	Enhanced Current Mode PWM Controller
CS51022AEDR16G	ONSEMI	获取价格	Enhanced Current Mode PWM Controller
CS51022D16	CHERRY	获取价格	Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BIPolar, PDSO16, 0.150

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