LTC1516 데이터 시트보기 (PDF) - Linear Technology
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LTC1516 Datasheet PDF : 8 Pages
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LTC1516
TYPICAL APPLICATIONS N
Fault-Protected SIM Interface Supply for
GSM Cellular Phones
0.1µF
3V
1 C1+
C1– 8
2 VIN
VOUT 3
+
7
LTC1516
SHDN GND
6
10µF 4 C2+
C2– 5
0.1µF
GSM
CONTROLLER
LEVEL SHIFT
+
VOUT = 5V ±4%
10µF IOUT = 40mA
VCC
RST
CLK SIM CARD
I/O
GND
1516 • TA02
Generating 5V and a Negative Supply
0.1µF
1 C1+
C1– 8
7
3
ON/OFF SHDN VOUT
VIN
2V TO 5V +
10µF
2
LTC1516
6
VIN
GND
4 C2+
C2– 5
2.2µF
0.1µF
0.22µF
*
240Ω
VOUT = 5V ± 4%
IOUT = 20mA,VIN ≥ 2V
IOUT = 50mA, VIN ≥ 3V
8.2k
Q1
Q2
**
10µF
3.3k
– VOUT = –1.4V TO – 3V
– IOUT = 5mA
*CENTRAL SEMICONDUCTOR CMPSH-35 DUAL SCHOTTKY
**OPTIONAL CIRCUITRY FOR MAINTAINING – VOUT AT LOW VOUT LOADS
Q1, Q2: 2N3904
1516 • TA03
PACKAGE DESCRIPTION Dimensions in inches (millimeters) unless otherwise noted.
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.010
(0.254
–
–
0.020
0.508)
×
45°
0.008 – 0.010
(0.203 – 0.254)
0.053 – 0.069
(1.346 – 1.752)
0°– 8° TYP
0.016 – 0.050
0.406 – 1.270
0.014 – 0.019
(0.355 – 0.483)
*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
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
BSC
0.228 – 0.244
(5.791 – 6.197)
0.189 – 0.197*
(4.801 – 5.004)
8
7
6
5
0.150 – 0.157**
(3.810 – 3.988)
SO8 0695
1
2
34
RELATED PARTS
PART NUMBER
LT®1054
LTC1144
LTC1261
LTC1262
LTC1550/51
DESCRIPTION
100mA Switched Capacitor Converter
20mA Switched Capacitor Converter for Up to 20V Inputs
Positive to Negative Regulated Switched Capacitor Converter
5V to 12V Regulated Switched Capacitor Converter
Low Noise Switched Capacitor Regulated Converter
COMMENTS
Includes Reference and Amplifier for Regulation
Includes Micropower Shutdown (8µA)
Low Noise (5mV) Output for Up to 10mA Loads
Up to 30mA at Regulated Output
Provides – 4.1V at 20mA with <1mV Ripple
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q TELEX: 499-3977
LT/GP 0796 7K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1996
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