ISL97678IRZ-TK 查看數據表（PDF） - Intersil

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产品描述 (功能)

比赛名单

ISL97678IRZ-TK

8-Channel 45V 50mA LED Driver

Intersil 

ISL97678

Typical Application Circuit

VIN* = 4.75V~26V

Ci

10uF

1uF

8x12 = 96 LEDs

L1

D1

Output 45V*, 50mA per string max

10uH/3A

Co

ISL97678

LX1 20

16 VIN

LX2 21

18 VDC

1uF 10 VLOGIC

OVP 23

3x4.7uF

100pF

3.3nF

806kΩ

22kΩ

3.3nF

15kΩ

4 PWM

17 EN

14 COMP

14.2kΩ

13 RSET

50kΩ

11 FSW

12 FPWM

333kΩ

2 AGND

3 AGND

6 AGND

7 AGND

8 AGND

9 AGND

5 AGND

15 AGND

CH1 25

CH2 26

CH3 27

CH4 28

CH5 29

CH6 30

CH7 31

CH8 32

PGND 1

PGND 19

PGND 22

* Vin > = 12V for 45V/50mA

Applications

FIGURE 1. ISL97678 TYPICAL APPLICATION DIAGRAM

2

FN6998.1

November 5, 2009

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