LT3598EUF(RevA) View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT3598EUF Datasheet PDF : 24 Pages
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LT3598
TYPICAL APPLICATIONS
2 MHz LED Driver for 20 White LEDs
PVIN
11.4V TO 12.6V
C1
2.2μF
L1
10μH
D1
VIN
3.2V TO 5.5V
C3
2.2μF
VIN
R6
100k
OPENLED
SW
VOUT
VO_SW
SHDN SHDN
FB
PWM PWM
SYNC
R1
21.5k
R9
10k
R8
107k
SYNC
RT
LT3598
VREF
CTRL
TSET ISET
LED1
LED2
LED3
LED4
LED5
LED6
SS GND VC
R4
2.4M
R5
140k
R7
178k
C5
47pF R3
14.7k
C1: MURATA GRM21BR71E225K
C2: MURATA GRM32ER71H475K
C3: TAIYO YUDEN LMK212BJ225MG
D1: DIODES, INC. SBR140S3
L1: TOKO 1123AS-100M
C4
0.1μF
RC
2k
CC
10nF
C6
100pF
PWM Dimming (3000:1)
PWM
5V/DIV
IL
200mA/DIV
PVIN = 12V, VIN = 3.3V
1μs/DIV
ILED, total
50mA/DIV
3598 TA07a
C2
4.7μF
20mA
3598 TA02a
3598fa
20
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