lt1618ems-trpbf Linear Technology Corporation, lt1618ems-trpbf Datasheet - Page 11

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

TYPICAL APPLICATIONS
10kHz TO 50kHz
2.7V TO 5V
BRIGHTNESS
C1: TAIYO YUDEN JMK212BJ475
C2: TAIYO YUDEN TMK316BJ105
D1: ON SEMICONDUCTOR MBR0530
L1: SUMIDA CR43-100
ADJUST
PWM
V
4.7µF
IN
10kHz TO 50kHz
C1
2.7V TO 5V
BRIGHTNESS
ADJUST
C1: TAIYO YUDEN JMK212BJ475
C2: TAIYO YUDEN TMK316BJ105
D1: ON SEMICONDUCTOR MBR0530
L1: SUMIDA CLQ4D10-100
PWM
U
0.1µF
V
5.1k
4.7µF
R3
IN
C3
C1
9
4
0.1µF
5.1k
R3
C3
SHDN
I
GND
V
ADJ
White LED Driver for 20 LEDs
IN
8
5
LT1618
Li Ion White LED Driver
0.1µF
10µH
L1
9
4
C
[phone]
[phone]
[phone]
[phone]
C
GND
SHDN
I
V
ADJ
SW
ISN
ISP
V
IN
FB
8
5
C
7
10
LT1618
0.1µF
10µH
D1
L1
3
2
1
C
C
[phone]
[phone]
[phone]
[phone]
SW
ISP
ISN
V
FB
C
0.619Ω
7
10
C2
1µF
D1
3
2
1
R1
2M
R2
121k
2.49Ω
C2
1µF
80mA
51Ω
R1
2M
R2
100k
20mA
1618 • TA04
51Ω
51Ω
1618 • TA05
51Ω
LT1618
sn1618 1618fas
11