F72830SG 参数 Datasheet PDF下载

厚铨

功能集成科技有限公司

F72830

目录

1

2

3

4

5

概述........................................................................................................................................................ 3

特写..................................................................................................................................................................................... 3

引脚配置.............................................................................................................................................................. 4

PIN DESCRIPTION..................................................................................................................................................................... 4

电气CHARACTERISTIC......................................................................................................................................... 6

5.1

5.2

5.3

A

BSOLUTE

M

AXIMUM

R

ATINGS

............................................................................................................................................... 6

DC

和

AC

电气特性

（ VDDA = 5V ， TA = 25 ℃ ） ........................................ ........................................... 7

S

作者PECIFICATION

R

ELIABILITY

................................................................................................................................................ 8

6

7

8

框图..................................................................................................................................................................... 9

简化外部应用程序DIAGRAM....................................................................................................... 10

功能说明............................................................................................................................................... 10

8.1

8.2

8.3

8.4

L

INEAR

C

ONTROLLER

D

ESCRIPTION

....................................................................................................................................... 10

S

OFT

-

开始

............................................................................................................................................................................ 11

U

的nDer电压保护

................................................................................................................................................ 13

A

CCESS接口

................................................................................................................................................................ 13

9

寄存器描述..................................................................................................................................................... 15

9.1 LR_1 ， LR_2微调电压注册

⎯

指数1.................................................................................................................. 15

9.2 LR_3 ， LR_4微调电压注册

⎯

指数2.................................................................................................................. 16

9.3欠压，过电流保护使能寄存器

⎯

指数03H ................................................ .................................... 17

9.4保留功能，读回SSOK状态，如果LR完成软启动，它会读回寄存器1

⎯

指数04H ................ 17

9.5芯片ID 1

⎯

I

NDEX

5A

H

............................................................................................................................................................ 18

9.6芯片ID 2

⎯

指数5BH ............................................................................................................................................................ 18

10订购信息.................................................................................................................................................. 19

11包装尺寸（ 16 - SOP ） ....................................................................................................................................... 20

12应用电路........................................................................................................................................................ 21

2

2007年V0.14P