LT3460/LT3460-1
12
3460fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2007
LT 0208 REV B • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATIONS
PART NUMBER DESCRIPTION COMMENTS
LT1613 550mA (I
SW
), 1.4MHz, High Effi ciency Step-Up DC/DC
Converter
V
IN
: 0.9V to 10V, V
OUT(MAX)
= 34V, I
Q
= 3mA, I
SD
<1μA,
ThinSOT Package
LT1615/LT1615-1 300mA/80mA (I
SW
), Constant Off-Time, High Effi ciency Step-
Up DC/DC Converter
V
IN
: 1.2V to 15V, V
OUT(MAX)
= 34V, I
Q
= 20μA, I
SD
<1μA,
ThinSOT Package
LT1944/LT1944-1 Dual Output 350mA/100mA (I
SW
), Constant Off-Time, High
Effi ciency Step-Up DC/DC Converter
V
IN
: 1.2V to 15V, V
OUT(MAX)
= 34V, I
Q
= 20μA, I
SD
<1μA,
MS Package
LT1945 Dual Output, Pos/Neg, 350mA (I
SW
), Constant Off-Time, High
Effi ciency Step-Up DC/DC Converter
V
IN
: 1.2V to 15V, V
OUT(MAX)
= ±34V, I
Q
= 20μA, I
SD
<1μA,
MS Package
LT1961 1.5A (I
SW
), 1.25MHz, High Effi ciency Step-Up DC/DC
Converter
V
IN
: 3V to 25V, V
OUT(MAX)
= 35V, I
Q
= 0.9mA, I
SD
<6μA,
MS8E Package
LTC3400/LTC3400B 600mA (I
SW
), 1.2MHz, Synchronous Step-Up DC/DC Converter V
IN
: 0.85V to 5V, V
OUT(MAX)
= 5V, I
Q
= 19μA/300μA, I
SD
<1μA,
ThinSOT 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 Effi ciency Step-Up DC/DC
Converter with Integrated Schottky
V
IN
: 2.5V to 16V, V
OUT(MAX)
= 38V, I
Q
= 2.8mA, I
SD
<1μA, SC70,
ThinSOT Packages
LT3464 0.08A (I
SW
), High Effi ciency Step-Up DC/DC Converter with
Integrated Schottky, Output Disconnect
V
IN
: 2.3V to 10V, V
OUT(MAX)
= 34V, I
Q
= 25μA, I
SD
<1μA,
ThinSOT Package
LT3465/LT3465A Constant Current, 1.2MHz/2.7MHz, High Effi ciency White LED
Boost Regulator with Integrated Schottky Diode
V
IN
: 2.7V to 16V, V
OUT(MAX)
= 30V, I
Q
= 1.9mA, I
SD
<1μA,
ThinSOT Package
5V to 5V SEPIC Effi ciency
L1
22μH
D1
L2
22μH
30k
10k
C2
1μF
50pF
C3
0.22μF
C1
1μF
V
IN
SW
FB
SHDN
GND
LT3460
3460 TA06
C1, C2: TAIYO YUDEN X5R LMK107BJ105
C3: TAIYO YUDEN X7R LMK107BJ224
D1: ON SEMICONDUCTOR MBR0520
L1, L2: MURATA LQH32CN-220 OR EQUIVALENT
V
IN
3V TO 10V
V
OUT
5V
50mA
LOAD CURRENT (mA)
050
100 150
EFFICIENCY (%)
3460 TA06a
80
75
70
65
60
55
50
V
IN
= 4V
V
IN
= 5V
V
IN
= 6.5V