SPX29500U-L-5-0 datasheet(4/9 Pages) EXAR

Part #	SPX29500U-L-5-0

Description	5A Low Dropout Voltage Regulator

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Manufacturer	EXAR [Exar Corporation]

Direct Link	http://www.exar.com

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4 / 9 page

Rev:B Nov 2008

SPX29500/01/02/03 5A Low Dropout Voltage Regulator

4

VOUT (AC)

IOUT (2A/DIV)

VOUT (AC)

VIN

Reference

Thermal

Shutdown

EN

IN

OUT

ADJ

GND

O.V

I

LIMIT

20V

R1*

R2*

1.180V

1.240V

+

--

FLAG

FUNCTIONAL DIAGRAM

TYPICAL PERFORMANCE CHARACTERISTICS

0

10

20

30

40

50

60

70

80

90

100

110

120

01

234

5

Output Current (A)

Figure 3. Ground Current (mA) vs. Output Current (A)

Figure 4. Dropout (mV) vs. Output Current (A)

600

550

500

450

400

350

300

250

200

150

100

50

0

123

4

56

Output Current (A)

Figure 5. Load Transient (V

IN=4V, VO=3.3V, COUT=22µF,

10mA~5A)

Figure 6. Line Transient (C

OUT=22µF, IO=10mA)

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SPX29500U-L-5-0 Datasheet(PDF) 4 Page - Exar Corporation

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