LT3745 View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LT3745

16-Channel 50mA LED Driver with Buck Controller

Linear Technology 

LT3745

Typical Application

VIN

10V TO 40V

0.47µF

16V

EN

VCC

3V TO 5.5V

10µF

10V

100k

VIN CAP

EN/UVLO

GATE

VCC

SYNC

GND

RT

ISP

LT3745

105k

SS

ISN

10nF

FB

60.4k

32.4k

ISET

TSET

LED00

LED01

LED02

409.6kHz CLOCK

PWMCK

LED03

LED04

LED...05

LED10

LED11

LED12

LED13

LED14

LED15

TTL/CMOS

SCKI

SCKO

SDI

SDO

LDI

LDO

3745 TA02

M1: VISHAY Si9407BDY

D1: DIODES DFLS160

L1: WÜRTH ELECTRONIK 7447779122

C1: SANYO 6TPE220MI

4.7µF

50V

M1 L1

22µH

25mΩ

D1

TTL/CMOS

23.2k

C1

220µF

10k

4V MAXIMUM OUTPUT VOLTAGE

Figure 7. 16-Channel LED Driver, 500kHz Buck, 1 LED 25mA to 75mA per Channel, 100Hz 12-Bit Dimming

3745f

26

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