DD331 datasheet(4/11 Pages) SITI

Part #	DD331

Description	4-Channel Flexible LED Pre-Driver

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Manufacturer	SITI [Silicon Touch Technology Inc.]

Direct Link	http://www.siti.com.tw

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點晶科技股份有限公司

SILICON TOUCH TECHNOLOGY INC.

DD331

High CONSTANT CURRENT LED DRIVERS

Version:A.002

Page

3

Pin Description

PIN NAME

FUNCTION

SOP16 /

TSSOP16

pin number

GND

Ground terminal

1,8

VCC

Power supply terminal

9,16

ENR

ENG

ENB

ENW

Output current enable terminals

2

3

4

5

GATER

GATEG

GATEB

GATEW

External N-type MOSFET gate

connection terminals

15

13

11

7

REXTR

REXTG

REXTB

REXTW

External resistors connected between REXT and

GND for driver current value setting.

14

12

10

6

Maximum Ratings (Ta=25°C, Tj(max) = 150°C)

CHARACTERISTIC

SYMBOL

RATING

UNIT

Supply Voltage

VCC

-0.3 ~ 18.0

Input Voltage

VIN

-0.3 ~ VCC+0.3

Enable Voltage

VEN

*1

-0.3 ~ 18.0

V

GND Terminal Current

IGND

0.5

A

Power Dissipation

Pd

1.7 ( SOP16 )

1.5 ( SSOP16 )

W

Thermal Resistance (Junction to Air)

Rth(j-a)

*2

72.1 ( SOP16 )

82 ( SSOP16 )

°C/W

Operating Temperature

Top

-40 ~ 85

Storage Temperature

Tstg

-55 ~ 150

°C

*1 VEN could not higher than VCC.

*2 Base on JEDEC high conductivity test board (4-layer) simulation.

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