LTC4558 Linear Integrated Systems, LTC4558 Datasheet - Page 4

• Manufacturer Part Number: LTC4558
• Description: Dual SIM/Smart Card Power Supply and Interface
• Manufacturer: Linear Integrated Systems

www.DataSheet4U.com
LTC4558
TYPICAL PERFORMANCE CHARACTERISTICS
4
100
95
90
85
80
75
70
65
60
55
50
2.7
No Load Supply Current vs V
3.1
V
BATT
DROPOUT
3.5
V
SUPPLY VOLTAGE (V)
CCX
3.9
4.0
3.5
3.0
2.5
1.0
2.0
1.5
0.5
= 3V
0
2.7
V
vs Supply Voltage
4.3
V
BATT
DVCC
T
I
V
3.1
CCA
A
CCX
= 25°C
4.7
= 1.8V
Shutdown Current
T
= I
V
A
= 1.8V
BATT
= 25°C
CCB
3.5
5.1
BATT
= 0µA
SUPPLY VOLTAGE (V)
4557 G01
3.9
5.5
4.3
T
A
4.7
T
= –40°C
A
7.0
6.5
6.0
5.5
5.0
4.5
4.0
= 85°C
–40
5.1
I/OX Short-Circuit Current
vs Temperature
V
V
I/OX SHORTED TO V
4557 G04
DVCC
CCX
5.5
= 3V
–15
= V
BATT
TEMPERATURE (°C)
= 5.5V
10
CCX
35
0.6
0.5
0.4
0.3
0.2
0.1
0
1.2
60
DV
vs Supply Voltage
V
T
A
BATT
1.6
CC
T
= –40°C TO 85°C
4557 G02
A
2.0 2.4
Shutdown Current
= 5.5V
= 25°C unless otherwise noted.
85
DV
CC
SUPPLY VOLTAGE (V)
2.8
3.2
250
200
150
100
50
0
3.6
10
V
(I
T
V
BATT
VBATT
A
BATT
4.0
= 25°C
4.4
= 3.1V
Quiescent Current
– I
100
4.8
LOAD CURRENT (µA)
CC
5.2
4557 G05
) vs Load Current
5.6
1000
10000
4557 G03
100000
4558f