LT3598EUF(RevA) View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LT3598EUF
(Rev.:RevA)

6-String 30mA LED Driver with 1.5% Current Matching

Linear Technology 

TYPICAL APPLICATIONS

LED Driver for 40 White LEDs with Two Channels Unused

PVIN

6V TO 40V

C1

2.2μF

VIN

5V

C3

2.2μF

L1

10μH

D1

VIN

R6

100k

OPENLED

SHDN SHDN

SW

VOUT

VO_SW

FB

R4

1.00M

R1

51.1k

PWM

SYNC

PWM

SYNC

RT

LT3598

R5

30.9k

R8

60.4k

RHOT

10k

RNTC

100k

R7

100k

VREF

LED1

CTRL

LED2

LED3

LED4

LED5

LED6

TSET ISET SS GND VC

C5

47pF R3

14.7k

C4

0.1μF

RC

2.61k

CC

15nF

20mA

3598 TA02a

C1: TAIYO YUDEN GMK325BJ225ML

C2: MURATA GRM32ER71H475K

C3: TAIYO YUDEN LMK212BJ225MG

D1: DIODES, INC. B240A

L1: WÜRTH ELEKTRONIK 744777410

RNTC: MURATA NCP18WF104J03RB

LT3598

C2

4.7μF

Efficiency (PWM Dimming)

95

90

PVIN = 25V

85

PVIN = 12V

80

75

70

65

60

55

50

0 10 20 30 40 50 60 70 80 90

TOTAL LED CURRENT (mA)

3598 TA02b

3598fa

17

Share Link: