LT1618
16
sn1618 1618fas
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2001
LT/TP 0504 1K REV A • PRINTED IN USA
TYPICAL APPLICATIONS
U
Buck Mode Luxeon LED Driver
SHDN
I
ADJ
V
C
V
IN
SW
ISN
ISP
FB
LT1618
V
IN
16V
C1
4.7µF
2.2nF
220pF
1618 TA14
D1
D2
700mA
L1
47µH
3
2
1
9
8
7
GND
5104
C1: TAIYO YUDEN TMK325BJ475MN
D1: PHILIPS PMEG2010
D2: LUMILEDS DS45
L1: TOKO D104C
10k
0.07Ω
Li-Ion Buck-Boost Mode Luxeon LED Driver
SHDN
I
ADJ
V
C
V
IN
SW
ISP
ISN
FB
LT1618
100k
10k
V
IN
3.2V TO 5V
C1
4.7µF
10nF
C2
4.7µF
1618 TA13
D1
D2
350mA
L1
3.3µH
2
3
1
9
8
7
GND
5104
C1: TAIYO YUDEN JMK212BJ475KG
C2: TAIYO YUDEN EMK316BJ475ML
D1: ON SEMICONDUCTOR MBRM120
D2: LUMILEDS DS25
L1: NEC PLC-07453R3
0.15Ω
PART NUMBER DESCRIPTION COMMENTS
LT1613 550mA (I
SW
), 1.4MHz, High Efficiency Step-Up DC/DC Converter V
IN
: 0.9V to 10V, V
OUT(MAX)
= 34V, I
Q
= 3mA, I
SD
< 1µA,
ThinSOT
TM
Package
LT1615/LT1615-1 300mA/80mA (I
SW
), Constant Off-Time, High Efficiency Step-Up V
IN
: 1.2V to 15V, V
OUT(MAX)
= 34V, I
Q
= 20µA, I
SD
< 1µA,
DC/DC Converter ThinSOT Package
LT1930/LT1930A 1A (I
SW
), 1.2MHz/2.2MHz, High Efficiency Step-Up V
IN
: 2.6V to 16V, V
OUT(MAX)
= 34V, I
Q
= 4.2mA/5.5mA,
DC/DC Converter I
SD
< 1µA, ThinSOT Package
LT1932 Constant Current, 1.2MHz, High Efficiency White LED V
IN
: 1V to 10V, V
OUT(MAX)
= 34V, I
Q
= 1.2mA, I
SD
< 1µA,
Boost Regulator ThinSOT Package
LT1944/LT1944-1 Dual Output 350mA/100mA (I
SW
), Constant Off-Time, V
IN
: 1.2V to 15V, V
OUT(MAX)
= 34V, I
Q
= 20µA, I
SD
< 1µA,
(Dual) High Efficiency Step-Up DC/DC Converter MS Package
LT1945 (Dual) Dual Output, Pos/Neg, 350mA (I
SW
), Constant Off-Time, V
IN
: 1.2V to 15V, V
OUT(MAX)
= ±34V, I
Q
= 20µA, I
SD
< 1µA,
High Efficiency Step-Up DC/DC Converter MS Package
LT1961 1.5A (I
SW
), 1.25MHz, High Efficiency Step-Up DC/DC Converter V
IN
: 3V to 25V, V
OUT(MAX)
= 35V, I
Q
= 0.9mA, I
SD
< 6µA,
MS8E Package
LTC3401/LTC3402 1A/2A (I
SW
), 3MHz, Synchronous Step-Up DC/DC Converter V
IN
: 0.5V to 5V, V
OUT(MAX)
= 6V, I
Q
= 38µA, I
SD
< 1µA,
MS Package
LT3461/LT3461A 0.3A (I
SW
), 1.3MHz/3MHz, High Efficiency Step-Up DC/DC V
IN
: 2.5V to 16V, V
OUT(MAX)
= 38V, I
Q
= 2.8mA, I
SD
< 1µA,
Converter with Integrated Schottky SC70 and ThinSOT Packages
LT3463/LT3463A 250mA (I
SW
), Boost/Inverter Dual, Micropower DC/DC Converter V
IN
: 2.4V to 15V, V
OUT(MAX)
= ±40V, I
Q
= 40µA, I
SD
< 1µA,
with Integrated Schottky Diodes DFN Package
LT3464 0.08A (I
SW
), High Efficiency Step-Up DC/DC Converter with V
IN
: 2.3V to 10V, V
OUT(MAX)
= 34V, I
Q
= 25µA, I
SD
< 1µA,
Integrated Schottky, Output Disconnect ThinSOT Package
LT3465/LT3465A Constant Current, 1.2MHz/2.7MHz, High Efficiency White LED V
IN
: 2.7V to 16V, V
OUT(MAX)
= 34V, I
Q
= 1.9mA, I
SD
< 1µA,
Boost Regulator with Integrated Schottky Diode ThinSOT Package
LT3467/LT3467A 1.1A (I
SW
), 1.3MHz/2.1MHz, High Efficiency Step-Up DC/DC V
IN
: 2.4V to 16V, V
OUT(MAX)
= 40V, I
Q
= 1.2mA, I
SD
< 1µA,
Converter with Integrated Soft-Start ThinSOT Package
ThinSOT is a trademark of Linear Technology Corporation.
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