LT3760EFE View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT3760EFE' PDF : 32 Pages View PDF
LT3760
Typical Applications
15W LED Driver, 750kHz Boost, 8 Strings, 55mA Per String
VIN
8V TO 21V
4.7µF
50V
VIN
4.7µF INTVCC
10V
L1
7.3µH
GATE
SENSE
SHDN
100k
1M
FAULT
LT3760
SHDN/UVLO
PGND
VOUT
ANALOG
DIMMING
PWM DIMMING*
CTRL
GND
SYNC
PWM
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
VREF
20k
TSET
10k
OVPSET RT ISET VC
30.9k 10k
56.2k
10.7k 5.1k
4.7nF
D1
UP TO 34V OF LEDs PER STRING
2.2µF
M1
50V
×5
0.015Ω
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3760 TA05
L1: SUMIDA CDRH8D28
M1: VISHAY SILICONIX Si7308DN
D1: DIODES, INC. DFLS160
*MAXIMUM PWM DIMMING RATIO:
(a) fPWM = 20kHz
= 20:1 (VIN > 10V)
= 5:1 (VIN = 8V)
(b) fPWM = 100Hz
= 3000:1 (VIN > 10V)
= 750:1 (VIN = 8V)
3760fc
24
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