WS3231 datasheet(2/7 Pages) WINSEMI

номер детали	WS3231

подробное описание детали	WS3231 High PF PSR Constant Current LED Driver

PDF	7 Pages

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производитель	WINSEMI [Shenzhen Winsemi Microelectronics Co., Ltd]

домашняя страница	http://www.winsemi.com

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WS3231

3231

Pin Definition

Definition

Definition and

and

and Device

Device

Device Marking

Marking

WS3231 is available in SOP-8 package:

Pin Function

Function

Function Description

Description

Name

Number

Pin Type

Type

Function

Function Description

Description

VCC

Power Supply

Power supply.

Floating

Comp

Loop Compensation

Loop compensation pin. Connect a RC network across this pin and

ground to stabilize the control loop.

Current Sense

Current sense. This pin connects a current sense resistor to GND to

detect the primary current of transformer.

5/6

Drain

Drain of Power MOS

GND

7/8

Ground

Ground.

Block

Block Diagram

Diagram

V C C

N C

c o m p

C S

G N D

WS3231S8P: Product code

Die Code

Internal Code

Area Code

YM：Year, Month

V a lle y 、To n s

D etect

L in e

Compensation

R E S E T

9 . 0 V 1 3 .8 V

CS*3*Tons/T

To n s

G m 0 . 5 V

O C P

0 . 8 V

CC&Logic Control

G a te

O V P

O T P

B G&Internal

Power Supply

To n s

V C C

C S

G N D

C o m p

1 5 V

U V L O

G a te

sampling

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