WS3230 datasheet(2/7 Pages) WINSEMI

номер детали	WS3230

подробное описание детали	WS3230 High PF PSR Constant Current LED Driver

PDF	7 Pages

Scroll/Zoom	100%

производитель	WINSEMI [Shenzhen Winsemi Microelectronics Co., Ltd]

домашняя страница	http://www.winsemi.com

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WS3230

3230

Pin Definition

Definition

Definition and

and

and Device

Device

Device Marking

Marking

WS3230 is available in SOT23-5 package:

Pin Function

Function

Function Description

Description

Name

Number

Pin Type

Type

Function

Function Description

Description

GND

Ground

Ground.

Gate

Output

Totem-pole gate drive output for the power MOSFET.

Current Sense

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

detect the primary current of transformer.

Comp

Loop Compensation

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

ground to stabilize the control loop.

VCC

Power Supply

Power supply.

Block

Block Diagram

Diagram

30: WS3230

Y: Year Code (1:2011; 2:2012……)

M: Month Code (1-12)

V a lle y、To n s

D etect

sam pl i ng

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

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