LTC1755EGN データシートの表示（PDF） - Linear Technology
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LTC1755EGN Datasheet PDF : 16 Pages
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LTC1755/LTC1756
TYPICAL APPLICATIO
Asynchronous Smart Card Interface
3.3V
SMART CARD
PRESENT SWITCH
N.O.
C3
10µF
GND VCC
I/O
SMART CARD
RST
CLK
C2
10µF
1
PRES
16
5V/3V
2
PWR
15
CARD
3
GND
14
READY
4
VIN
C – 13
5
LTC1756
VCC
C+
12
6
I/O
11
DATA
7
RST
10
RIN
8
CLK
9
CIN
C1
0.68µF
µCONTROLLER
17556 TA02
RELATED PARTS
PART NUMBER
LTC1514/LTC1515
LTC1516
LTC1555/LTC1556
LTC1754-5
LTC1986
DESCRIPTION
Micropower Step-Up/Step-Down Inductorless
DC/DC Converters
Micropower Regulated 5V Charge Pump
SIM Power Supply and Level Translator
5V Charge Pump with Shutdown in SOT-23
3V/5V SIM Power Supply in SOT-23
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
COMMENTS
Regulated Output Up to 50mA, VIN from 2V to 10V, SO-8 Package
5V/50mA Output from 2V to 5V Input, S0-8 Package
Step-Up/Step-Down Charge Pump + Generates 3V or 5V
VIN from 2.7V to 5.5V, 50mA Output with VIN ≥ 3V
VIN from 2.6V to 4.4V, 3V/5V Output at 10mA
sn17556a 17556fs LT/LCG 0800 4K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1999
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