LT3472
U
TYPICAL APPLICATIO
V
IN
3V TO 4.2V
2.2µF
1µF
22µH
47µH
SWP
V
SWN
DN
IN
V
POS
15V
20mA
V
POS
550k
47µH
LT3472
GND
FBP
4.7pF
V
320k
10pF
NEG
–8V
FBN
50mA
SHDN
SHDN
SSP
SSN
100nF
100nF
2.2µF
2.2µF
3472 TA03
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LT1611
550mA (I ), 1.4MHz, High Efficiency Micropower
Inverting DC/DC Converter
V : 1.1V to 10V, V
ThinSOT Package
= –34V, I = 3mA, I <1µA,
OUT(MAX) Q SD
SW
IN
LT1615/LT1615-1
LT1617/LT1617-1
LT1930/LT1930A
LT1931/LT1931A
LT1944/LT1944-1
LT1945(Dual)
300mA/80mA (I ), High Efficiency
Step-Up DC/DC Converter
V : 1V to 15V, V
ThinSOT Package
= 34V, I = 20µA, I <1µA,
SW
IN
OUT(MAX) Q SD
350mA/100mA (I ), High Efficiency Micropower
V : 1.2V to 15V, V
= –34V, I = 20µA, I <1µA,
Q SD
SW
IN
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
Inverting DC/DC Converter
ThinSOT Package
1A (I ), 1.2MHz/2.2MHz, High Efficiency
V : 2.6V to 16V, V
= 34V, I = 4.2mA/5.5mA, I <1µA,
Q SD
SW
IN
Step-Up DC/DC Converter
ThinSOT Package
1A (I ), 1.2MHz/2.2MHz, High Efficiency Micropower
V : 2.6V to 16V, V
= –34V, I = 5.8mA, I <1µA,
Q SD
SW
IN
Inverting DC/DC Converter
ThinSOT Package
Dual Output, 350mA/100mA (I ), Constant
V : 1.2V to 15V, V
= 34V, I = 20µA, I <1µA,
Q SD
SW
IN
Off-Time, High Efficiency Step-Up DC/DC Converter
MS10 Package
Dual Output, Boost/Inverter, 350mA (I ), Constant
Off-Time, High Efficiency Step-Up DC/DC Converter
V : 1.2V to 15V, V
= ±34V, I = 40µA, I <1µA,
Q SD
SW
IN
MS10 Package
LT1946/LT1946A
LT3461/LT3461A
LT3462/LT3462A
LT3463/LT3463A
1.5A (I ), 1.2MHz/2.7MHz, High Efficiency
Step-Up DC/DC Converter
V : 2.45V to 16V, V
MS8 Package
= 34V, I = 3.2mA, I <1µA,
SW
IN
OUT(MAX) Q SD
0.3A (I ), Inverting 1.3MHz/3MHz High Efficiency
V : 2.5V to 16V, V
ThinSOT Package
= 38V, I = 2.8mA, I <1µA,
Q SD
SW
IN
OUT(MAX)
OUT(MAX)
OUT(MAX)
Step-Up DC/DC Converter with Integrated Schottky Diodes
300mA (I ), Inverting 1.2MHz/2.7MHz DC/DC Converter
V : 2.5V to 16V, V
= –38V, I = 2.9mA, I <10µA,
Q SD
SW
IN
with Integrated Schottky Diodes
ThinSOT Package
Dual Output, Boost/Inverter, 250mA (I ), Constant
V : 2.3V to 15V, V
IN
= 40V, I = 40µA, I <1µA,
Q SD
SW
Off-Time, High Efficiency Step-Up DC/DC Converter
with Integrated Schottkys
DFN Package
LT3464
85mA (I ), High Efficiency Step-Up DC/DC Converter
with Integrated Schottky and PNP Disconnect
V : 2.3V to 10V, V
ThinSOT Package
= 34V, I = 25µA, I <1µA,
Q SD
SW
IN
OUT(MAX)
LT3467/LT3467A
1.1A, 1.3MHz/2.1MHz Step-Up DC/DC Converter with
Integrated Soft-Start in ThinSOT
V : 2.4V to 16V, V
ThinSOT Package
= 40V, I = 1mA, I <1µA,
Q SD
IN
OUT(MAX)
3472f
LT/TP 0804 1K • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
12
●
●
©LINEAR TECHNOLOGY CORPORATION 2004
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
Linear [ Linear ]
