LT1932 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Lista de partido
LT1932 Datasheet PDF : 16 Pages
| |||
TYPICAL APPLICATIO S
2-Cell Driver for Two White LEDs
VIN
1.8V TO 3V
L1
4.7µH
D1
C1
4.7µF
2.5V DC
DIMMING
CONTROL
6
1
VIN
SW
LT1932
5
SHDN
3
LED
RSET
GND
15mA
60.4k 4
2
RSET
1.50k
C1: TAIYO YUDEN JMK212BJ475
C2: TAIYO YUDEN LMK212BJ225
D1: ZETEX ZHCS400
L1: MURATA LQH3C4R7M24
(408) 573-4150
(408) 573-4150
(631) 543-7100
(814) 237-1431
C2
2.2µF
1932 TA15a
2-Cell Driver for Three White LEDs
VIN
1.8V TO 3V
L1
4.7µH
D1
C1
4.7µF
2.5V DC
DIMMING
CONTROL
6
1
VIN
SW
LT1932
5
SHDN
3
LED
RSET
GND
15mA
60.4k 4
2
RSET
1.50k
C1: TAIYO YUDEN JMK212BJ475
C2: TAIYO YUDEN EMK316BJ225
D1: ZETEX ZHCS400
L1: MURATA LQH3C4R7M24
(408) 573-4150
(408) 573-4150
(631) 543-7100
(814) 237-1431
C2
2.2µF
1932 TA06a
LT1932
Efficiency
85
80
75
70
65
60
55
0
VIN = 3V
VIN = 1.8V
5
10
15
20
LED CURRENT (mA)
1932 TA15b
Efficiency
85
80
75
70
65
60
55
0
VIN = 3V
VIN = 1.8V
5
10
15
20
LED CURRENT (mA)
1932 TA06b
1932f
11
Share Link: 