12
LTC1503-1.8/LTC1503-2
LINEAR TECHNOLOGY CORPORATION 1999
150312f LT/TP 0200 4K • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear-tech.com
PART NUMBER DESCRIPTION COMMENTS
LTC1474/LTC1475 Low Quiescent Current Step-Down DC/DC Converter I
OUT
to 250mA, I
Q
= 10µA; 8-Lead MSOP
LTC1502-3.3 Single Cell to 3.3V Quadrupler Charge Pump V
IN
= 0.9V to 1.8V, I
OUT
= 10mA; I
Q
= 40µA
LTC1514/LTC1515 Micropower, Regulated 5V Step-Up/Step-Down 2V to 10V Input Range; Up to 50mA Output Current: Short-Circuit
Charge Pump DC/DC Converters and Overtemperature Protected
LTC1555/LTC1556 SIM Power Supply and Level Translator Step-Up/Step-Down Charge Pump Generates 5V or 3V
LTC1627 Monolithic Synchronous Buck Step-Down 2.65V to 8.5V Input Range; V
OUT
from 0.8V, I
OUT
to 500mA;
Switching Regulator Low Dropout Operation; 100% Duty Cycle
LTC1754-3.3 3.3V Charge Pump with Shutdown in SOT-23 50mA Output Current, I
CC
= 13µA
LTC1754-5 5V Charge Pump with Shutdown in SOT-23 50mA Output Current, I
CC
= 13µA
RELATED PARTS
DC/DC Converter with Shutdown and Soft-Start
4
2
3
5
1
8
6
7
LTC1503-1.8
1µF
10nF2N7002ON OFF
1503-1.8/2 TA03
1µF
10µF
1-CELL Li-Ion OR
3-CELL NiMH
10µF
V
OUT
= 1.8V
I
OUT
= 100mA
V
OUT
C2
–
C2
+
GND
V
IN
C1
–
C1
+
SHDN/SS
TYPICAL APPLICATIO
U