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LT1932 Datasheet(PDF) 10 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) 10 Page - Linear Technology

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10
LT1932
VIN
SW
D1
15mA
1932 TA03a
L1
4.7
µH
VIN
1V TO 1.5V
LT1932
SHDN
C1, C2: TAIYO YUDEN JMK212BJ475
(408) 573-4150
D1: ZETEX ZHCS400
(631) 543-7100
L1: MURATA LQH3C4R7M24
(814) 237-1431
61
4
RSET
1.50k
2.5V PWM
DIMMING
CONTROL
C1
4.7
µF
C2
4.7
µF
24.9k
2
3
5
LED
RSET
GND
Single Cell Driver for One White LED
VIN
SW
D1
15mA
1932 TA04a
L1
4.7
µH
VIN
1V TO 1.5V
LT1932
SHDN
C1: TAIYO YUDEN JMK212BJ475
(408) 573-4150
C2: TAIYO YUDEN LMK212BJ225
(408) 573-4150
D1: ZETEX ZHCS400
(631) 543-7100
L1: MURATA LQH3C4R7M24
(814) 237-1431
61
4
RSET
1.50k
2.5V PWM
DIMMING
CONTROL
C1
4.7
µF
C2
2.2
µF
24.9k
2
3
5
LED
RSET
GND
Single Cell Driver for Two White LEDs
Efficiency
Efficiency
LED CURRENT (mA)
0
50
55
60
65
70
75
80
510
15
2.5
7.5
12.5
1932 TA03b
VIN = 1.5V
VIN = 1.1V
LED CURRENT (mA)
0
55
50
60
65
70
75
80
510
15
2.5
7.5
12.5
1932 TA04b
VIN = 1.5V
VIN = 1.1V
TYPICAL APPLICATIO S



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