LTC4558_15 datasheet(4/12 Pages) LINER

Part #	LTC4558

Description	Dual SIM/Smart Card Power Supply and Interface

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Manufacturer	LINER [Linear Technology]

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LTC4558

4

4558fa

VBATT SUPPLY VOLTAGE (V)

2.7

3.1

50

70

65

80

75

100

3.5

4.3

4.7

4557 G01

60

55

95

90

85

3.9

5.1

5.5

TA = 25°C

ICCA = ICCB = 0μA

VCCX = 3V

VCCX = 1.8V

DROPOUT

TEMPERATURE (

°C)

–40

6.0

5.5

5.0

6.5

60

4557 G02

4.5

4.0

–15

10

35

85

7.0

VDVCC = VBATT = 5.5V

VCCX = 3V

I/OX SHORTED TO VCCX

LOAD CURRENT (

μA)

100

150

250

10

1000

10000

100000

4557 G03

0

100

200

50

TA = 25°C

VBATT = 3.1V

VBATT SUPPLY VOLTAGE (V)

2.7

2.0

2.5

3.0

3.5

4.0

3.9

4.7

4557 G04

1.5

1.0

3.1

3.5

4.3

5.1

5.5

0.5

0

VDVCC = 1.8V

TA = –40°C

TA = 85°C

TA = 25°C

DVCC SUPPLY VOLTAGE (V)

1.2

0

0.1

0.3

0.4

0.5

1.6

3.2

4.0

4557 G05

0.2

0.6

2.8

4.8

5.6

5.2

2.0 2.4

3.6

4.4

VBATT = 5.5V

TA = –40°C TO 85°C

TYPICAL PERFORMANCE CHARACTERISTICS

No Load Supply Current vs VBATT

I/OX Short-Circuit Current

vs Temperature

VBATT Quiescent Current

(IVBATT – ICC) vs Load Current

VBATT Shutdown Current

vs Supply Voltage

DVCC Shutdown Current

vs Supply Voltage

TA = 25°C unless otherwise noted.

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LTC4558 Datasheet(PDF) 4 Page - Linear Technology

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