LTC1503-1.8/LTC1503-2
U
TYPICAL APPLICATIO
DC/DC Converter with Shutdown and Soft-Start
LTC1503-1.8
4
2
3
5
1
8
6
7
V
= 1.8V
= 100mA
OUT
OUT
V
V
OUT
IN
I
1-CELL Li-Ion OR
3-CELL NiMH
10µF
1µF
10µF
–
–
C1
C1
C2
1µF
+
+
C2
SHDN/SS GND
ON OFF
2N7002
10nF
1503-1.8/2 TA03
RELATED PARTS
PART NUMBER
LTC1474/LTC1475
LTC1502-3.3
DESCRIPTION
COMMENTS
Low Quiescent Current Step-Down DC/DC Converter
Single Cell to 3.3V Quadrupler Charge Pump
I
to 250mA, I = 10µA; 8-Lead MSOP
OUT Q
V
= 0.9V to 1.8V, I
= 10mA; I = 40µA
OUT Q
IN
LTC1514/LTC1515
Micropower, Regulated 5V Step-Up/Step-Down
Charge Pump DC/DC Converters
2V to 10V Input Range; Up to 50mA Output Current: Short-Circuit
and Overtemperature Protected
LTC1555/LTC1556
LTC1627
SIM Power Supply and Level Translator
Monolithic Synchronous Buck Step-Down
Switching Regulator
Step-Up/Step-Down Charge Pump Generates 5V or 3V
2.65V to 8.5V Input Range; V
from 0.8V, I
to 500mA;
OUT
OUT
Low Dropout Operation; 100% Duty Cycle
LTC1754-3.3
LTC1754-5
3.3V Charge Pump with Shutdown in SOT-23
5V Charge Pump with Shutdown in SOT-23
50mA Output Current, I = 13µA
CC
50mA Output Current, I = 13µA
CC
150312f LT/TP 0200 4K • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
12
●
●
LINEAR TECHNOLOGY CORPORATION 1999
(408)432-1900 FAX:(408)434-0507 www.linear-tech.com
Linear [ Linear ]
