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LT3491 Datasheet(PDF) 13 Page - Linear Technology

Part # LT3491
Description  White LED Driver with Integrated Schottky in SC70
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3491 Datasheet(HTML) 13 Page - Linear Technology

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13
LT3491
3491fa
TYPICAL APPLICATIO S
12V to One White LED at 200mA
Efficiency
CAP
LED
D1
VIN
C2
4.7
µF
C1
1
µF
L1
15
µH
C1, C3: TAIYO YUDEN LMK212BJ105MD
C2: TAIYO YUDEN LMK316BJ475ML
D1: LUXEON EMITTER LXHL-BWO2
L1: MURATA LQH32CN150
VIN
3V
PVIN
12V
RSENSE
1
Ω
3491 TA02a
LT3491
SHUTDOWN
AND
DIMMING
CONTROL
CTRL
SW
GND
C3
1
µF
Efficiency
CAP
LED
D1
VIN
C2
4.7
µF
C1
1
µF
L1
15
µH
VIN
3V
PVIN
12V
RSENSE
1
Ω
3491 TA03a
LT3491
SHUTDOWN
AND
DIMMING
CONTROL
CTRL
SW
GND
C3
1
µF
C1, C3: TAIYO YUDEN LMK212BJ105MD
C2: TAIYO YUDEN LMK316BJ475ML
D1: LUXEON EMITTER LXHL-BWO2
L1: MURATA LQH32CN150
12V to Two White LEDs at 200mA
LED CURRENT (mA)
50
60
70
80
55
65
75
40
80
120
160
3491 TA02b
200
20
0
60
100
140
180
LED CURRENT (mA)
60
70
80
90
65
75
85
40
80
120
160
3491 TA03b
200
20
0
60
100
140
180



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