Datasheet

LTC3240-3.3/LTC3240-2.5
12
3240fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
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www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2006
LT 0806 REV B • PRINTED IN USA
TYPICAL APPLICATIO
U
RELATED PARTS
2.5V Output from 2-Cell NiMH
OFF ON
V
IN
GND
SHDN
V
OUT
C
–
C
+
LTC3240-2.5
1µF 4.7µF
1µF
2.5V
1.8V TO 3V
3240 TA02
1, 7
2
3
4
5
6
2-CELL
NiMH
PART NUMBER DESCRIPTION COMMENTS
LTC1751-3.3/LTC1751-5 100mA, 800kHz Regulated Doubler V
IN
: 2V to 5V, V
OUT(MAX)
= 3.3V/5V, I
Q
= 20µA, I
SD
< 2µA, MS8 Package
LTC1983-3/LTC1983-5 100mA, 900kHz Regulated Inverter V
IN
: 3.3V to 5.5V, V
OUT(MAX)
= –3V/–5V, I
Q
= 25µA, I
SD
< 2µA, ThinSOT
TM
Package
LTC3200-5 100mA, 2MHz Low Noise, Doubler/White LED
Driver
V
IN
: 2.7V to 4.5V, V
OUT(MAX)
= 5V, I
Q
= 3.5mA, I
SD
< 1µA, ThinSOT Package
LTC3202 125mA, 1.5MHz Low Noise, Fractional White
LED Driver
V
IN
: 2.7V to 4.5V, V
OUT(MAX)
= 5.5V, I
Q
= 2.5mA, I
SD
< 1µA, DFN, MS
Packages
LTC3204-3.3
LTC3204B-3.3
LTC3204-5
LTC3204B-5
Low Noise, Regulated Charge Pumps in
(2mm × 2mm) DFN Package
V
IN
: 1.8V to 4.5V (LTC3204B-3.3), 2.7V to 5.5V (LTC3204B-5), I
Q
= 48µA,
“B” Version Without Burst Mode Operation, 6-Lead (2mm × 2mm) DFN
Package
LTC3440 600mA (I
OUT
) 2MHz Synchronous Buck-Boost
DC/DC Converter
95% Effi ciency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 2.5V, I
Q
= 25µA, I
SD
≤ 1µA,
10-Lead MS Package
LTC3441 High Current Micropower 1MHz Synchronous
Buck-Boost DC/DC Converter
95% Effi ciency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 2.5V, I
Q
= 25µA, I
SD
≤ 1µA,
DFN Package
LTC3443 High Current Micropower 600kHz Synchronous
Buck-Boost DC/DC Converter
96% Effi ciency, V
IN
: 2.4V to 5.5V, V
OUT(MIN)
= 2.4V, I
Q
= 28µA, I
SD
< 1µA,
DFN Package
ThinSOT is a trademark of Linear Technology Coorporation