Datasheet

8
LTC1514-3.3/LTC1514-5
151435f LT/TP 0298 4K • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 1997
TYPICAL APPLICATIONS N
U
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
[phone]
FAX: [phone]
●
TELEX: 499-3977
●
www.linear-tech.com
PART NUMBER DESCRIPTION COMMENTS
LTC1515 Series Step-Up/Step-Down Switched Capacitor DC/DC Converters with Reset V
IN
2V to 10V, 3.3V, 5V and ADJ Versions, I
OUT
to 50mA
LTC1516 Micropower, Regulated 5V Charge Pump DC/DC Converter I
OUT
= 20mA (V
IN
≥ 2V), I
OUT
= 50mA (V
IN
≥ 3V)
LTC1517-5 Micropower, Regulated 5V Charge Pump DC/DC Converter LTC1522 Without Shutdown and Packaged in SOT-23
LTC1522 Micropower, Regulated 5V Charge Pump DC/DC Converter Available in 8-Pin MSOP, 6µA Quiescent Current, I
OUT
= 20mA
LTC1555/LTC1556 SIM Power Supply and Level Translators Step-Up/Step-Down SIM Power Supply and Level Translators
LTC660 100mA CMOS Voltage Converter 5V to –5V Conversion with Low Voltage Loss
RELATED PARTS
1
2
3
4
0.150 – 0.157**
(3.810 – 3.988)
8
7
6
5
0.189 – 0.197*
(4.801 – 5.004)
0.228 – 0.244
(5.791 – 6.197)
0.016 – 0.050
0.406 – 1.270
0.010 – 0.020
(0.254 – 0.508)
× 45°
0°– 8° TYP
0.008 – 0.010
(0.203 – 0.254)
SO8 0996
0.053 – 0.069
(1.346 – 1.752)
0.014 – 0.019
(0.355 – 0.483)
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
TYP
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH 
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD 
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE


*

**
Low Power Dual Output Supply (Maximum Combined I
OUT
= 50mA)
1514 TA04
1
ON OFF
2
3
V
OUT

3.3V 
±4%
V
OUT
5V ±4%
V
IN
2.7V TO 10V
4
8
7
47k
220k
10Ω
750k
1%
402k
1%
2.2nF
Q1: TP0610T
Q2: MMBT3906LT1
Q2
Q1
6
5
0.22µF
10µF
22µF10µF
+
++
SHDN
LBO
LBI
GND
V
OUT

V
IN

C1
+

C1
–
LTC1514-5
Step-Up/Step-Down Power Supply with Input Autoswitching
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
Dimensions in inches (millimeters) unless otherwise noted.
PACKAGE DESCRIPTION
U
1
3
2
7

4

8
6
5
SHDN
LBI
LBO
V
OUT

C1
+

C1
–
LTC1514-5
0.22µF
10k
MMBT
3904LT1
MMBT
3904LT1
2N7002
22µF
10V
4 × AAA
ALKALINE
CELLS
10k
470k
CENTRAL SEMI
CMPD6263C
1M
1514 TA07
+
10µF
25V
+
EXT_PWR_GOOD
V
OUT

5V
50mA
V
IN
GND
ON OFF
100k
2.4k
Si6943DQ
Si6943DQ
Si6943DQ
1k
MMBD
914LT1
MMBZ
5235BLT1
(6.8V)
+6VDC
WALL
ADAPTER