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LT1932 Datasheet(PDF) 14 Page - Linear Technology

Part # LT1932
Description  Constant-Current DC/DC LED Driver in ThinSOT
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1932 Datasheet(HTML) 14 Page - Linear Technology

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14
LT1932
TYPICAL APPLICATIO S
Li-Ion Driver for Four White LEDs
Efficiency
VIN
SW
D1
15mA
1932 TA10a
L1
6.8
µH
VIN
2.7V TO 4.2V
LT1932
SHDN
C1: TAIYO YUDEN JMK212BJ475
(408) 573-4150
C2: TAIYO YUDEN EMK212BJ105
(408) 573-4150
D1: ZETEX ZHCS400
(631) 543-7100
L1: PANASONIC ELJEA6R8
(714) 373-7334
61
4
RSET
1.50k
PWM
DIMMING
CONTROL
C1
4.7
µF
C2
1
µF
2
3
5
LED
RSET
GND
LED CURRENT (mA)
0
55
60
65
70
75
80
85
510
15
20
1932 TA10b
VIN = 4.2V
VIN = 2.7V
Li-Ion Driver for Five White LEDs
Efficiency
VIN
SW
D1
15mA
1932 TA11a
L1
4.7
µH
VIN
2.7V TO 4.2V
LT1932
SHDN
C1: TAIYO YUDEN JMK212BJ475
(408) 573-4150
C2: TAIYO YUDEN TMK316BJ105
(408) 573-4150
D1: ZETEX ZHCS400
(631) 543-7100
L1: MURATA LQH3C4R7M24
(814) 237-1431
61
4
RSET
1.50k
PWM
DIMMING
CONTROL
C1
4.7
µF
C2
1
µF
2
3
5
LED
RSET
GND
LED CURRENT (mA)
0
55
60
65
70
75
80
85
510
15
20
1932 TA11b
VIN = 4.2V
VIN = 2.7V



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