LT1761ES5-2.5 datasheet(10/20 Pages) LINER

Part #	LT1761ES5-2.5

Description	100mA, Low Noise,LDO Micropower Regulators in SOT-23

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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10

LT1761 Series

1761sfc

Reverse Output Current

OUTPUT VOLTAGE (V)

100

90

80

70

60

50

40

30

20

10

0

1761 G33

0123

4

5

67

8

9

10

TJ = 25°C

VIN = 0V

CURRENT FLOWS

INTO OUTPUT PIN

VOUT = VADJ

(LT1761-BYP,-SD)

LT1761-BYP

LT1761-SD

LT1761-2

LT1761-3.3

LT1761-5

LT1761-1.8

LT1761-1.5

LT1761-2.5

LT1761-2.8

LT1761-3

LT1761-1.2

TEMPERATURE (

°C)

–50

25.0

22.5

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0

50

75

1761 G34

–25

25

100

125

VIN = 0V

VOUT = 1.22V (LT1761-BYP, -SD)

VOUT = 1.2V (LT1761-1.2)

VOUT = 1.5V (LT1761-1.5)

VOUT = 1.8V (LT1761-1.8)

VOUT = 2V (LT1761-2)

VOUT = 2.5V (LT1761-2.5)

VOUT = 2.8V (LT1761-2.8)

VOUT = 3V (LT1761-3)

VOUT = 3.3V (LT1761-3.3)

VOUT = 5V (LT1761-5)

LT1761-BYP,-SD

LT1761-1.2,-1.5,-1.8,-2,

-2.5,-2.8,-3,-3.3,-5

FREQUENCY (Hz)

80

70

60

50

40

30

20

10

0

10

1k

10k

1M

1761 G35

100

100k

IL = 100mA

VIN = VOUT(NOMINAL) +

1V + 50mVRMS RIPPLE

CBYP = 0

COUT = 1μF

COUT = 10μF

LT1761-BYP

LT1761-5

Input Ripple Rejection

TYPICAL PERFOR A CE CHARACTERISTICS

SHDN Pin Input Current

ADJ Pin Bias Current

Current Limit

TEMPERATURE (

°C)

–50

0

50

75

1761 G29

–25

25

100

125

VSHDN = 20V

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

TEMPERATURE (

°C)

–50

100

90

80

70

60

50

40

30

20

10

0

50

75

1761 G30

–25

25

100

125

INPUT VOLTAGE (V)

0

2

4

5

1761 G31

1

3

6

7

350

300

250

200

150

100

50

0

VOUT = 0V

TJ = 25°C

Current Limit

TEMPERATURE (

°C)

–50

0

50

75

1761 G32

–25

25

100

125

350

300

250

200

150

100

50

0

VIN = 7V

VOUT = 0V

SHDN PIN VOLTAGE (V)

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

1761 G28

0123

4

5

67

8

9

10

SHDN Pin Input Current

TEMPERATURE (

°C)

–50

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

50

75

1761 G27

–25

25

100

125

IL = 100mA

IL = 1mA

SHDN Pin Threshold

(Off-to-On)

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LT1761ES5-2.5 Datasheet(PDF) 10 Page - Linear Technology

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