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LT3743EUFDPBF Datasheet(PDF) 28 Page - Linear Technology

Part # LT3743EUFDPBF
Description  High Current Synchronous Step-Down LED Driver with Three-State Control
PDF  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3743EUFDPBF Datasheet(HTML) 28 Page - Linear Technology

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LT3743
28
3743fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2009
LT 0810 REV B • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER
DESCRIPTION
COMMENTS
LT3755/LT3755-1
High Side 40V, 1MHz LED Controller with True Color
3000:1 PWM Dimming
VIN: 4.5V to 40V, VOUT(MAX) = 60V, Dimming = 3000:1 True Color PWM™,
ISD < 1μA, 3mm × 3mm QFN16, MSOP16E
LT3756/LT3756-1
High Side 100V, 1MHz LED Controller with True Color
3000:1 PWM Dimming
VIN: 6V to 100V, VOUT(MAX) = 100V, Dimming = 3000:1 True Color PWM,
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LTC3783
High Side 36V, 1MHz LED Controller with True Color
3000:1 PWM Dimming
VIN: 3V to 36V, VOUT(MAX) = 40V, Dimming = 3000:1 True Color PWM,
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LT3517
1.3A, 2.5MHz High Current LED Driver with 3000:1
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LT3518
2.3A, 2.5MHz High Current LED Driver with 3000:1
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LT3496
Triple Output 750mA, 2.1MHz High Current LED Driver
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LT3474/LT3474-1
36V, 1A (ILED), 2MHz Step-Down LED Driver
VIN: 4V to 36V, VOUT(MAX) = 13.5V, Dimming = 400:1 True Color PWM,
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LT3475/LT3475-1
Dual 1.5A (ILED), 36V Step-Down LED Driver
VIN: 4V to 36V, VOUT(MAX) = 13.5V, Dimming = 3000:1 True Color PWM,
ISD < 1μA, TSSOP20E
LT3476
Quad Output 1.5A, 2MHz High Current LED Driver with
1000:1 Dimming
VIN: 2.8V to 16V, VOUT(MAX) = 36V, Dimming = 1000:1 True Color PWM,
ISD < 10μA, 5mm × 7mm QFN10
LT3478/LT3478-1
4.5A, 2MHz High Current LED Driver with 3000:1
Dimming
VIN: 2.8V to 36V, VOUT(MAX) = 40V, Dimming = 1000:1 True Color PWM,
ISD < 10μA, 5mm × 7mm QFN10
24V, 40A Pulsed LED Driver
EN/UVLO
PWM
CTRL_SEL
EN/UVLO
PWM
CTRL_SEL
HG
VIN
CBOOT
VREF
CTRL_L
CTRL_H
CTRL_T
LT3743
RT
SYNC
SW
LG
GND
VCH
VCL
SENSE+
SENSE–
PWMGH
PWMGL
VCC_INT
220nF
L1
1μH
22μF
33nF
M2
×2
M3
M4
D1
M1
×2
C1
330μF
×3
1.25mΩ
FB
1μF
51k
5.6nF
51k
5.6nF
150k
50k
50k
C3
330μF
×3
140k
3743 TA08
20k
1μF
C2
330μF
×3
1μF
RNTC
10k
220μF
VIN
24V
OUTPUT
40A MAXIMUM
220μF
4.7μF
×8
1μF
1μF
1nF
SS
10Ω
10Ω
RHOT
499Ω
L1: 1HLP5050FDER1R0M01
M1, M2: RJK0330DPB
M3, M4: Si7234DP
C1, C2, C3: PTPR33OM9L
CTRL_SEL
5V/DIV
ILED
20A/DIV
SW
10V/DIV
20μs/DIV
3743 TA08b
VIN = 12V
4A to 40A LED Current Step



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