SPX2954S-3.3 datasheet(7/7 Pages) SIPEX

Part #	SPX2954S-3.3

Description	250 mA Low Drop Out Voltage Regulator

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Manufacturer	SIPEX [Sipex Corporation]

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7 / 7 page

7

Rev. 3/6/03

SP2954 250mA Low Dropout Voltage Regulator

TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)

Shutdown Threshold Voltage

1.8

1.6

1.0

-75

TEMPERATURE (ºC)

1.4

1.2

0.8

0.6

-50

-25

0

25

50

75 100 125 150

Thermal Response

4

2

1

0

TIME (

µs)

0

-2

0

-1

10

20

30

40

50

5

1.25W

~

Output Noise

3.5

2.5

2.0

0.0

10 2

10 3

10 4

10 5

FREQUENCY (Hz), C BYP=0.1uF

3.0

1.5

1.0

0.5

C = 3.3

µF

L

Ripple Rejection

80

60

40

10

10 1

10 3

10 4

10 6

FREQUENCY (Hz)

I

L = 50µA

I

L = 100mA

C

L = 1µF

V

IN = 6V

V

OUT = 5V

70

50

30

20

10 2

10 5

Line Regulation

30

25

20

10

5

INPUT VOLTAGE (V)

15

10

5

0

5

0

-5

-10

10

15

20

25

30

~

I

L = 100µA

I

L = 1mA

T

J = 150 ºC

T

J = 125 ºC

I

L = 100µA

C

= 0.1

µF

BYP

C

L = 220µF

I

L = 100mA

C

L = 1µF

I

L=50mA

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SPX2954S-3.3 Datasheet(PDF) 7 Page - Sipex Corporation

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