WS3252 datasheet(2/8 Pages) WINSEMI

номер детали	WS3252

подробное описание детали	WS3252 High Precision CC/CV Primary-Side PWM Controller

PDF	8 Pages

Scroll/Zoom	100%

производитель	WINSEMI [Shenzhen Winsemi Microelectronics Co., Ltd]

домашняя страница	http://www.winsemi.com

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2 / 8 page

WS3252

2/8

Steady,

Steady, keep

keep

keep you

you

you advance

advance

Pin Definition

Definition

Definition and

and

and Device

Device

Device Marking

Marking

Pin Function

Function

Function Description

Description

Name

Number

Pin Type

Type

Function

Function Description

Description

GND

Ground.

GATE

Gate-driven output

Totem-pole gate driver output for power MOSFET.

Current Monitoring

Current sense input.

INV

Feedback Input

The voltage feedback from auxiliary winding. Connected to

resistor divider from auxiliary winding reflecting output voltage.

PWM duty cycle is determined by EA output and current sense

signal at pin3.

COMP

Loop Compensation

Loop Compensation for CV Stability

VCC

Power

Power supply

Block

Block Diagram

Diagram

G N D

G A T E

C S

I N V

C O M P

V C C

S O T 23-6

52: WS3252

Y: Year Code(0-9)

WW: Week Code (1-52)

U V L O

regulator

V c c _O V P

P O R

Inter supply

G N D

Driver

G a t e

4 I N V

I N V

Sampler

Sa m pling

Controller

E A

2 V

D rop Com p

P W M

& S S

C O M P

C S

V C C

L E B

O C P

L o g i c

C C

Controller

C L K

Generation

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