SPX29302A datasheet(3/7 Pages) SIPEX

Part #	SPX29302A

Description	3A High Current, Low Dropout Voltage Regulator Adjustable, Fast Response Time

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Manufacturer	SIPEX [Sipex Corporation]

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Date: 5/25/04

SPX29302A 3Amp LDO Low Dropout Voltage Regulator

Reference

Thermal

Shutdown

EN

IN

OUT

ADJ

GND

O.V

I

LIMIT

28V

R1*

R2*

1.180V

1.240V

+

--

FLAG

BLOCK DIAGRAM

TYPICAL PERFORMANCE CHARACTERISTICS

Figure 2. Dropout Voltage vs Load Current

Figure 3. Line Regulation

Figure 4. Ground Current vs Load Current

Figure 5. Load Regulation

Figure 6. Enable Threshold vs Temperature

0

200

400

600

800

1000

0

1.0

2.0

3.0

IL (A)

V

OUT=3.3V

CL = 10µF

1200

Vin = 3.2V

85°C

25°C

2.460

2.470

2.480

2.490

2.500

2.510

2.520

2.530

2.540

468

10

12

14

16

Vin (V)

V

OUT=2.5V

IL = 10mA

CL = 10µF

0.0

10.0

20.0

30.0

40.0

50.0

60.0

70.0

80.0

0

1.0

2.0

3.0

IL (A)

V

OUT=3.3V

Vin = 4.3V

CL = 10µF

85°C

25°C

3.280

3.285

3.290

3.295

3.300

3.305

3.310

0

1.0

2.0

3.0

IL (A)

V

IN = 4.3V

CL = 10µF

V

OUT=3.3V

1.2

1.3

-40

-20

0

20

40

60

80

100

120

Temperature (

o C)

V

OUT=3.3V

1.4

1.5

1.6

1.7

1.8

1.9

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SPX29302A Datasheet(PDF) 3 Page - Sipex Corporation

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