LT1965IDD-1.5-TRPBF datasheet(8/20 Pages) LINER

Part #	LT1965IDD-1.5-TRPBF

Description	1.1A, Low Noise, Low Dropout Linear Regulator

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Manufacturer	LINER [Linear Technology]

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LT1965 Series

8

1965fa

TYPICAL PERFORMANCE CHARACTERISTICS

LT1965-2.5 GND Pin Current

(Light Load)

LT1965-2.5 GND Pin Current

(Heavy Load)

LT1965-3.3 GND Pin Current

(Light Load)

LT1965-3.3 GND Pin Current

(Heavy Load)

LT1965 GND Pin Current

(Light Load)

LT1965 GND Pin Current

(Heavy Load)

GND Pin Current vs ILOAD

SHDN Pin Threshold

0

0.4

0.8

1.2

1.6

2.0

0.2

0.6

1.0

1.4

1.8

1965 G23

INPUT VOLTAGE (V)

08

246

10

7

135

9

TJ = 25°C

VSHDN = VIN

*FOR VOUT = 1.2V

RL = 24Ω, IL = 50mA*

RL = 120Ω, IL = 10mA*

RL = 1.2k, IL = 1mA*

0

5

10

15

20

25

1965 G24

INPUT VOLTAGE (V)

08

246

10

7

135

9

TJ = 25°C

VSHDN = VIN

*FOR VOUT = 1.2V

RL = 1.091Ω, IL = 1.1A*

RL = 2.4Ω, IL = 500mA*

RL = 12Ω, IL = 100mA*

LOAD CURRENT (A)

0

5.00

10.0

15.0

0.2

0.4

0.6

0.8

1.0

20.0

25.0

2.50

7.50

12.5

17.5

22.5

1.2

1965 G09

VIN = VOUT(NOMINAL) + 1V

0

0.2

0.4

0.6

0.8

1.0

0.1

0.3

0.5

0.7

0.9

1965 G26

TEMPERATURE (°C)

–50

–25

0

25

50

75

100

125

OFF TO ON

ON TO OFF

0

2

4

8

12

6

10

1965 G19

INPUT VOLTAGE (V)

0123456789

10

TJ = 25°C

VSHDN = VIN

*FOR VOUT = 2.5V

RL = 250Ω, IL = 10mA*

RL = 50Ω, IL = 50mA*

RL = 2.5k, IL = 1mA*

0

5

15

25

10

20

1965 G20

INPUT VOLTAGE (V)

0123456789

10

TJ = 25°C

VSHDN = VIN

*FOR VOUT = 2.5V

RL = 5Ω, IL = 500mA*

RL = 25Ω, IL = 100mA*

RL = 2.272Ω, IL = 1.1A*

0

2

4

8

12

6

10

1965 G21

INPUT VOLTAGE (V)

0123456789

10

TJ = 25°C

VSHDN = VIN

*FOR VOUT = 3.3V

RL = 330Ω, IL = 10mA*

RL = 66Ω, IL = 50mA*

RL = 3.3k, IL = 1mA*

0

5

15

25

10

20

1965 G22

INPUT VOLTAGE (V)

0123456789

10

TJ = 25°C

VSHDN = VIN

*FOR VOUT = 3.3V

RL = 6.6Ω, IL = 500mA*

RL = 33Ω, IL = 100mA*

RL = 3Ω, IL = 1.1A*

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