LT1618 查看數據表（PDF） - Linear Technology
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LT1618 Datasheet PDF : 16 Pages
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LT1618
TYPICAL APPLICATIONS
2-Cell White LED Driver
VIN
1.6V TO 3V
C1
4.7µF
10kHz TO 50kHz
PWM
BRIGHTNESS
R3
ADJUST
5.1k
C3
0.1µF
L1
4.7µH
D1
8
7
VIN
9
SHDN
SW
3
ISP
2
ISN
4
LT1618
IADJ
1
FB
GND
VC
5
10
CC
0.1µF
2.49Ω
20mA
R1
2M
C2
R2
1µF
160k
C1: TAIYO YUDEN JMK212BJ475
C2: TAIYO YUDEN EMK316BJ105
D1: ON SEMICONDUCTOR MBR0520
L1: SUMIDA CLQ4D10-4R7
(408) 573-4150
(408) 573-4150
(800) 282-9855
(847) 956-0666
1618 • TA03
2-Cell Luxeon LED Driver
VIN
1.8V TO 3V
C1
1µF
L1
10µH
D1
0.15Ω 350mA
8
7
VIN
9
SHDN
SW
3
ISP
2
ISN
4
LT1618
IADJ
FB
1
GND
VC
332k
D2
5
10
100nF
C2
1µF
124k
C1, C2: TAIYO YUDEN JMK107BJ105KA
D1: ON SEMICONDUCTOR MBR0520
D2: LUMILEDS LXHL-BW02
L1: SUMIDA CR43-100
1618 • TA12
10
sn1618 1618fas
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