LTC1755 LINER [Linear Technology], LTC1755 Datasheet - Page 12

• Manufacturer Part Number: LTC1755
• Description: Smart Card Interface
• Manufacturer: LINER [Linear Technology]

RELATED PARTS
LTC1755
TYPICAL
PART NUMBER
LTC1514/LTC1515
LTC1516
LTC1555/LTC1556
LTC1754-5
LTC1986
12
PRESENT SWITCH
PRESENT SWITCH
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
SMART CARD
SMART CARD
SMART CARD
SMART CARD
APPLICATION
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
GND
GND
AUX1
AUX2
AUX1
AUX2
RST
CLK
RST
CLK
V
V
I/O
I/O
CC
CC
10 F
10 F
C3
C6
U
C2
10 F
C5
10 F
Paralleling Devices for Multicard Applications
10
11
12
10
11
12
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
PRES
PWR
CS
NC/NO
GND
V
V
AUX1
AUX2
I/O
RST
CLK
PRES
PWR
CS
NC/NO
GND
V
V
AUX1
AUX2
I/O
RST
CLK
IN
CC
IN
CC
LTC1755
LTC1755
V
IN
AUX1IN
AUX2IN
AUX1IN
AUX2IN
ALARM
ALARM
READY
READY
5V/3V
5V/3V
CARD
CARD
DATA
DATA
DV
DV
R
C
R
C
C
C
C
C
CC
CC
IN
IN
IN
IN
–
+
–
+
COMMENTS
Regulated Output Up to 50mA, V
5V/50mA Output from 2V to 5V Input, S0-8 Package
Step-Up/Step-Down Charge Pump + SIM Level Translators, >10kV ESD
V
V
24
23
22
21
20
19
18
17
16
15
14
13
24
23
22
21
20
19
18
17
16
15
14
13
IN
IN
from 2.7V to 5.5V, 50mA Output with V
from 2.6V to 4.4V, 3V/5V Output at 10mA
C1
0.68 F
C4
0.68 F
IN
from 2V to 10V, SO-8 Package
LINEAR TECHNOLOGY CORPORATION 1999
1755i LT/TP 1099 4K • PRINTED IN USA
IN
3V
1755 TA02
CONTROLLER