ltc1755egn-trpbf Linear Technology Corporation, ltc1755egn-trpbf Datasheet - Page 16

• Manufacturer Part Number: ltc1755egn-trpbf
• Description: Smart Card Interface
• Manufacturer: Linear Technology Corporation

RELATED PARTS
TYPICAL APPLICATIO
LTC1755/LTC1756
PART NUMBER
LTC1514/LTC1515
LTC1516
LTC1555/LTC1556
LTC1754-5
LTC1986
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
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
PRESENT SWITCH
SMART CARD
SMART CARD
N.O.
GND
U
RST
CLK
V
I/O
CC
10 F
C3
Asynchronous Smart Card Interface
C2
10 F
1
2
3
4
5
6
7
8
PRES
PWR
GND
V
V
I/O
RST
CLK
COMMENTS
Regulated Output Up to 50mA, V
5V/50mA Output from 2V to 5V Input, S0-8 Package
Step-Up/Step-Down Charge Pump + Generates 3V or 5V
V
V
IN
CC
IN
IN
LTC1756
from 2.7V to 5.5V, 50mA Output with V
from 2.6V to 4.4V, 3V/5V Output at 10mA
3.3V
READY
5V/3V
CARD
DATA
RIN
CIN
C
C
–
+
16
15
14
13
12
11
10
9
C1
0.68 F
sn17556a 17556fs LT/LCG 0800 4K • PRINTED IN USA
IN
from 2V to 10V, SO-8 Package
LINEAR TECHNOLOGY CORPORATION 1999
CONTROLLER
IN
3V
17556 TA02