LTC1514-3.3/LTC1514-5
TYPICAL APPLICATIONS
N
Low Power Dual Output Supply (Maximum Combined I
OUT
= 50mA)
ON
OFF
10Ω
Q2
V
OUT
3.3V
±4%
Q1
47k
750k
1%
402k
1%
Q1: TP0610T
Q2: MMBT3906LT1
220k
1
2
3
4
SHDN
LBO
LTC1514-5
LBI
GND
V
OUT
V
IN
C1
+
C1
–
8
7
6
5
0.22µF
V
OUT
5V
±4%
V
IN
2.7V TO 10V
+
10µF
Step-Up/Step-Down Power Supply with Input Autoswitching
CENTRAL SEMI
CMPD6263C
Si6943DQ
+6VDC
WALL
ADAPTER
MMBZ
5235BLT1
(6.8V)
MMBD
914LT1
2.4k
1k
1M
10k
10k
4
×
AAA
ALKALINE
CELLS
470k
EXT_PWR_GOOD
Si6943DQ
Si6943DQ
ON OFF
PACKAGE DESCRIPTION
0.010 – 0.020
×
45°
(0.254 – 0.508)
0.008 – 0.010
(0.203 – 0.254)
0°– 8° TYP
0.016 – 0.050
0.406 – 1.270
*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
RELATED PARTS
PART NUMBER
LTC1515 Series
LTC1516
LTC1517-5
LTC1522
LTC1555/LTC1556
LTC660
DESCRIPTION
Step-Up/Step-Down Switched Capacitor DC/DC Converters with Reset
Micropower, Regulated 5V Charge Pump DC/DC Converter
Micropower, Regulated 5V Charge Pump DC/DC Converter
Micropower, Regulated 5V Charge Pump DC/DC Converter
SIM Power Supply and Level Translators
100mA CMOS Voltage Converter
COMMENTS
V
IN
2V to 10V, 3.3V, 5V and ADJ Versions, I
OUT
to 50mA
I
OUT
= 20mA (V
IN
≥
2V), I
OUT
= 50mA (V
IN
≥
3V)
LTC1522 Without Shutdown and Packaged in SOT-23
Available in 8-Pin MSOP, 6µA Quiescent Current, I
OUT
= 20mA
Step-Up/Step-Down SIM Power Supply and Level Translators
5V to – 5V Conversion with Low Voltage Loss
151435f LT/TP 0298 4K • PRINTED IN USA
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
q
(408) 432-1900
FAX: (408) 434-0507
q
TELEX: 499-3977
q
www.linear-tech.com
U
U
2.2nF
+
22µF
+
10µF
1514 TA04
+
10µF
25V
1
3
2
7
V
IN
SHDN
V
OUT
LBI LTC1514-5 C1
+
LBO
GND
4
C1
–
8
6
5
0.22µF
+
V
OUT
5V
50mA
22µF
10V
2N7002
MMBT
3904LT1
MMBT
3904LT1
100k
1514 TA07
Dimensions in inches (millimeters) unless otherwise noted.
0.189 – 0.197*
(4.801 – 5.004)
8
0.004 – 0.010
(0.101 – 0.254)
0.228 – 0.244
(5.791 – 6.197)
0.150 – 0.157**
(3.810 – 3.988)
7
6
5
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.053 – 0.069
(1.346 – 1.752)
0.014 – 0.019
(0.355 – 0.483)
0.050
(1.270)
TYP
1
2
3
4
SO8 0996
©
LINEAR TECHNOLOGY CORPORATION 1997
LINER [ LINEAR TECHNOLOGY ]
