LTC3400-1
U
TYPICAL APPLICATIO
Single AA Cell to 2.5V Synchronous Boost Converter
L1
3.3µH
D1
1
+
SINGLE
AA CELL
C1
4.7µF
SW
V
OUT
6
5
3
2.5V
V
IN
V
OUT
R1
1.02M
1%
130mA
LTC3400-1
SHDN FB
GND
4
C2
OFF
ON
4.7µF
R2
1M
1%
2
D1: PHILIPS PMEG2010EA
L1: SUMIDA CDRH2D18/HP-3R7
34001 TA04a
RELATED PARTS
PART NUMBER
LT1308A/LT1308B
LT1613
DESCRIPTION
COMMENTS
High Current, Micropower, Single Cell 600kHz DC/DC Converter
1.4MHz, Single Cell DC/DC Converter in ThinSOT
5V at 1A with Single Li-Ion Cell, V
to 34V
OUT
V
as Low as 1.1V, 3V at 30mA from Single Cell
IN
LT1615
LT®1618
Micropower Step-Up DC/DC Converter in ThinSOT
1.4MHz Step-Up DC/DC Converter with Current Limit
I = 20µA, 1µA Shutdown Current, V as Low as 1V
Q IN
1.5A Switch, 1.6V to 18V Input Range,
Input or Output Current Limiting
LT1619
High Efficiency Boost DC/DC Controller
ThinSOT Boost DC/DC Controller
1A Gate Drive, 1.1V to 20V Input, Separate V for Gate Drive
CC
LTC1872
50kHz, 2.5V to 9.8V Input
LT1930/LT1930A
LT1932
1.2MHz/2.2MHz DC/DC Converters in ThinSOT
Constant Current Step-Up LED Driver
1.2MHz/2.7MHz Boost DC/DC Converters
600kHz, 1A Switch PWM DC/DC Converter
V = 2.6V to 16V, 5V at 450mA from 3.3V Input
IN
Drives Up to Eight White LEDs, ThinSOT Package
1.5A, 36V Internal Switch, 8-Pin MSOP Package
LT1946/LT1946A
LT1949
1A, 0.5Ω, 30V Internal Switch, V as Low as 1.5V,
IN
Low-Battery Detect Active in Shutdown
LTC3400/LTC3400B
600mA, 1.2MHz Synchronous Boost Converters in ThinSOT
Up to 92% EFFiciency, 600mA Switch,
No Burst Option (LTC3400B)
LTC3401
LTC3402
LTC3421
1A, 3MHz Micropower Synchronous Boost Converter
2A, 3MHz Micropower Synchronous Boost Converter
3A, 3MHz Micropower Synchronous Boost Converter
1A Switch, Programmable Frequency, 10-Pin MSOP Package
2A Switch, Programmable Frequency, 10-Pin MSOP Package
Up to 96% Efficiency, 3A Switch, True Output Disconnect,
4mm x 4mm QFN Package
LTC3423
LTC3424
LTC3425
1A, 3MHz Micropower Synchronous Boost Converter
2A, 3MHz Micropower Synchronous Boost Converter
5A, 8MHz, 4-Phase Micropower Synchronous Boost Converter
1A Switch, Separate Bias Pin for Low Output Voltages
2A Switch, Separate Bias Pin for Low Output Voltages
Up to 95% Efficiency, 5A Switch, True Output
Disconnect, I = 12µA, QFN Package
Q
LTC3429
600mA, 500kHz Synchronous Boost Converter in ThinSOT
Up to 96% Efficiency, 600mA Switch, True Output
Disconnect, Soft Start
34001f
LT/TP 0604 1K • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
12
●
●
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2004
Linear [ Linear ]
