LT3965/LT3965-1
26
39651fa
For more information www.linear.com/LT3965
LINEAR TECHNOLOGY CORPORATION 2016
LT 0417 REV A • PRINTED IN USA
www.linear.com/LT3965
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
LT3795 High Side 110V, 1MHz LED Driver with 3000:1 PWM
Dimming with Spread Spectrum Frequency Modulation
V
IN
: 4.5V to 110V, V
OUT(MAX)
= 110V, 3000:1 PWM, 20:1 Analog, I
SD
< 1µA,
TSSOP-28E Package
LT3952 60V, 4A LED Driver with 4000:1 PWM Dimming with
Spread Spectrum
V
IN
: 3V to 42V, V
OUT(MAX)
= 60V, 4000:1 PWM, 20:1 Analog, I
SD
< 1µA,
TSSOP-28E Package
LT3797 Triple Output LED Driver Controller with 3000:1 PWM
Dimming
V
IN
: 2.5V to 90V, V
OUT(MAX)
= 100V, 3000:1 PWM, 20:1 Analog, I
SD
< 1µA,
7mm × 8mm QFN-52 Package
LT3756/LT3756-1/
LT3756-2
High Side 100V, 1MHz LED Controller with 3000:1
PWM Dimming
V
IN
: 6V to 100V, V
OUT
: 5V to 100V, 3000:1 PWM, 20:1 Analog, I
SD
< µA,
3mm × 3mm QFN-16 and MSOP-16E Packages
IVINP
LT3952
V
IN
V
C
IVINCOMP
SYNC/SPRD
TG TG
ISN
ISMON
ISP
ISN
5V
ISMON
ISP
DIM
PWM
CTRL
V
REF
FB
GND
EN/UVLO
OVLO
SS RT
INTV
CC
INTV
CC
2.2µF
4.7µF
50V
0.1µF
6.8nF
0.1µF
340k
14.7k
365k
Q1
249k
64.9k
1.5k
IVINN
SW
SW
L1
22µH
10µF
25V
V
IN
6V TO 18V
1µF
25V
SHORTLED
OPENLED
SHORTLED
OPENLED
100k100k
350kHz
SYNC
130k
69.8k
LT3470
5V REGULATOR
0.25Ω
M1
TG
LED
+
LED
–
22µF
D2
D6
D1
8 LEDs
25V
500mA
1µF
50V
D3
D5
SW
D4
0.1µF
100V
GND
LT3965/
LT3965-1
RTCLK
350kHz SYNC
(170Hz PWM)
SDA
SCL
ALERT
ADDR1
EN/UVLOEN/UVLO
D1, D6: DIODES DFLS260
D2, D3: NXP SEMI PMEG6010CEH
D4, D5: CENTRAL SEMI CMSD6263S
2 IN 1 PACKAGE
L1: WURTH 74437349220 22µH
L2: WURTH 74408943330 33µH
Q1, Q2: ZETEX FMMT591
M1: VISHAY Si7415DN
V
DD
ADDR2
ADDR3
ADDR4
LEDREF
BIAS
10V
DRN8
DRN7
SRC8
DRN6
SRC7
DRN5
SRC6
DRN4
SRC5
DRN3
SRC4
DRN2
SRC3
DRN1
SRC2
SRC1
V
IN
10k
10k
10k100k
5V
SDA
SCL
10µF
10V
L2
33µH
V
+
INTV
CC
LTC6900
DIV
OUT SET
GND
0.1µF
LED
+
49.9k
EN/UVLO
BIAS
BIAS UVLO DETECT
9.09k
1k
Q2
Matrix LED Dimmer Powered by a Boost-Buck LED Driver
