lt1618ems-trpbf Linear Technology Corporation, lt1618ems-trpbf Datasheet - Page 10

• Manufacturer Part Number: lt1618ems-trpbf
• Description: Constant-current/constant-voltage 1.4mhz Step-up Dc/dc Converter
• Manufacturer: Linear Technology Corporation

LT1618
10
TYPICAL APPLICATIONS
1.8V TO 3V
10kHz TO 50kHz
1.6V TO 3V
BRIGHTNESS
ADJUST
C1: TAIYO YUDEN JMK212BJ475
C2: TAIYO YUDEN EMK316BJ105
D1: ON SEMICONDUCTOR MBR0520
L1: SUMIDA CLQ4D10-4R7
U
PWM
V
IN
V
4.7µF
IN
C1
1µF
C1
0.1µF
5.1k
R3
C1, C2: TAIYO YUDEN JMK107BJ105KA
D1: ON SEMICONDUCTOR MBR0520
D2: LUMILEDS LXHL-BW02
L1: SUMIDA CR43-100
C3
2-Cell Luxeon LED Driver
2-Cell White LED Driver
9
4
9
4
GND
SHDN
I
GND
SHDN
I
ADJ
V
V
ADJ
IN
IN
8
5
8
5
LT1618
LT1618
100nF
4.7µH
0.1µF
10µH
L1
L1
C
C
[phone]
[phone]
[phone]
[phone]
SW
ISN
SW
ISP
V
ISN
ISP
V
FB
FB
C
C
7
10
7
10
D1
D1
3
2
1
3
2
1
2.49Ω
C2
1µF
0.15Ω
C2
1µF
R1
2M
R2
160k
332k
124k
350mA
20mA
1618 • TA03
1618 • TA12
D2
sn1618 1618fas