LT1963A-3.3 datasheet(6/20 Pages) LINER

Part #	LT1963A-3.3

Description	1.5A, Low Noise, Fast Transient Response LDO Regulators

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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6

LT1963A Series

1963af

TYPICAL PERFOR A CE CHARACTERISTICS

INPUT VOLTAGE (V)

0

14

12

10

8

6

4

2

0

1963 G11

2

10

56

78

9

1

34

TJ = 25

°C

RL =

∞

VSHDN = VIN

LT1963A-3.3 Quiescent Current

INPUT VOLTAGE (V)

0

14

12

10

8

6

4

2

0

1963 G12

4

20

10 12 14 16 18

2

68

TJ = 25

°C

RL = 4.3k

VSHDN = VIN

INPUT VOLTAGE (V)

0

25

20

15

10

5

0

4

1963 G13

1

2

3

10

9

8

7

6

5

TJ = 25

°C

VSHDN = VIN

*FOR VOUT = 1.8V

RL = 180, IL = 10mA*

RL = 18, IL = 100mA*

RL = 6, IL = 300mA*

INPUT VOLTAGE (V)

0

25

20

15

10

5

0

4

1963 G14

1

2

3

10

9

8

7

6

5

RL = 250, IL = 10mA*

RL = 25, IL = 100mA*

RL = 8.33, IL = 300mA*

TJ = 25

°C

VSHDN = VIN

*FOR VOUT = 2.5V

LT1963A Quiescent Current

LT1963A-1.8 GND Pin Current

LT1963A-2.5 GND Pin Current

LT1963A-1.5 GND Pin Current

INPUT VOLTAGE (V)

0

15

20

25

8

1963 G42

10

5

0

123

45

67

9

10

TJ = 25

°C

VSHDN = VIN

*FOR VOUT = 1.5V

RL = 5, IL = 300mA*

RL = 15, IL = 100mA*

RL = 150, IL = 10mA*

INPUT VOLTAGE (V)

0

10

8

6

4

2

0

4

1963 G16

1

2

3

10

9

8

7

6

5

RL = 121, IL = 10mA*

RL = 12.1, IL = 100mA*

RL = 4.33, IL = 300mA*

TJ = 25

°C

VSHDN = VIN

*FOR VOUT = 1.21V

LT1963A GND Pin Current

INPUT VOLTAGE (V)

0

25

20

15

10

5

0

4

1963 G15

1

2

3

10

9

8

7

6

5

RL = 330, IL = 100mA*

RL = 33, IL = 100mA*

RL = 11, IL = 300mA*

TJ = 25

°C

VSHDN = VIN

*FOR VOUT = 3.3V

LT1963A-3.3 GND Pin Current

INPUT VOLTAGE (V)

100

90

80

70

60

50

40

30

20

10

0

1963 G17

0123

4

5

67

8

9

10

RL = 1.8, IL = 1A*

RL = 1.2, IL = 1.5A*

RL = 3.6, IL = 500mA*

TJ = 25

°C

VSHDN = VIN

*FOR VOUT = 1.8V

LT1963A-1.8 GND Pin Current

LT1963A-1.5 GND Pin Current

INPUT VOLTAGE (V)

0

60

80

100

8

1963 G43

40

20

50

70

90

30

10

0

2

1

4

3

67

9

5

10

TJ = 25

°C

VSHDN = VIN

*FOR VOUT = 1.5V

RL = 1, IL = 1.5A*

RL = 1.5, IL = 1A*

RL = 3, IL = 500mA*

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LT1963A-3.3 Datasheet(PDF) 6 Page - Linear Technology

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