WS3440 datasheet(2/8 Pages) WINSEMI

номер детали	WS3440

подробное описание детали	Constant Current Controller For Non-isolated Buck LED Driver

PDF	8 Pages

Scroll/Zoom	100%

производитель	WINSEMI [Shenzhen Winsemi Microelectronics Co., Ltd]

домашняя страница	http://www.winsemi.com

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WS3440 Product Description

WIN SEM I

M ICROELECTRON ICS

WIN SEM I

M ICROELECTRON ICS

WIN SEM I

M ICROELECTRON ICS

WIN SEM I

M ICROELECTRON ICS

WIN SEM I

M ICROELECTRON ICS

Pin Definition

Definition

Definition and

and

and Device

Device

Device Marking

Marking

WS3440 is available in SOT23-6 package:

Pin Function

Function

Function Description

Description

Pin Name

Name

Pin NO.

NO.

Description

ROVP

Programmable LED open protection pin，connect a resistor to GND

GND

Ground

Current sense input, the sense resistor is connected from CS to ground

HV power MOSFET source

GATE

HV power MOSFET gate

VCC

Power supply

Block

Block Diagram

Diagram

40:WS3440

Y: Year Code (0-9)

M: Month Code (1-12)

F:F: Factory No.

. 4 0 Y M F

S O T 23-6

R O V P

G N D

C S

V C C

G A T E

U V L O

In te r

su p p ly

V C C

4 0 0 m V

G N D

So ft-Drive r

L o g ic

d rive r

3 C S

R O V P 1

O C P

L in e

co mp e n sa tio n

Z e ro -Cu rre n t

De te ct

L ED Sh o rt

CS Sh o rt

O T P

L E D O P E N

PROT ECT ION

G A T E

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