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SPX29502

5A Low Dropout Voltage Regulator

Exar Corporation 

ABSOLUTE MAXIMUM RATINGS

Lead Temperature (soldering, 5 seconds) ................260°C

Storage Temperature Range........................-65°C to +150°C

Operating Junction Temperature Range......-40°C to +125°C

Input Voltage (Note 1) .................................................... 20V

OPERATING RATINGS

Input Voltage ................................................................... 16V

ELECTRICAL CHARACTERISTICS

Specifications are at VIN = VOUT + 1V and IOUT = 10mA, CIN = 6.8µF, COUT = 22µF, TA = 25°C, unless otherwise specified.

The ♦ denotes the specifications which apply over the full operating temperature range, unless otherwise specified.

PARAMETER

Fixed Voltage Options

1.8V Version

Output Voltage

2.5V Version

Output Voltage

3.3V Version

Output Voltage

5.0V Version

Output Voltage

All Voltage Options

Line Regulation

Load Regulation

∆V/∆T

Dropout Voltage, except

1.8V

Ground Current

(Note 4)

Ground Pin Current

at Dropout

Current Limit

Output Noise Voltage

(10Hz to 100kHz)

IL=100mA

Reference Voltage

Reference Voltage

Adjust Pin Bias Current

Reference Voltage

Temp. Coeff.

Adjust Pin Bias

Current Temp. Coeff.

MIN

TYP

SPX29501

MAX

UNITS

CONDITIONS

1.782

1.764

1.800

1.800

1.818

1.836

2.475

2.450

2.500

2.500

2.525

2.550

V

IOUT = 10mA

♦ 10mA ≤ IOUT ≤ 5A, 2.8V ≤ VIN ≤ 16V

V

IOUT = 10mA

♦ 10mA ≤ IOUT ≤ 5A, 3.5V ≤ VIN ≤ 16V

3.267

3.234

3.300

3.300

3.333

3.366

V

IOUT = 10mA

♦ 10mA ≤ IOUT ≤ 5A, 4.3V ≤ VIN ≤ 16V

4.950

4.900

5.000

5.000

SPX29501/02

0.06

0.2

20

90

250

420

20

70

3

1.228

1.215

1.203

7.5

425

350

1.240

40

20

5.050

5.100

0.5

1

100

250

800

50

10

1.252

1.265

1.277

80

120

V

IOUT = 10mA

♦ 10mA ≤ IOUT ≤ 5A, 6.0V ≤ VIN ≤ 16V

%

%

ppm/°C

mV

mA

mA

A

µVRMS

IOUT=10mA,(VOUT+1V) ≤ VIN ≤ 16V

VIN=VOUT+2V, 10mA≤ IOUT ≤ IFL (Note 2)

♦ VOUT Temp Coefficient (Note 5)

♦ IOUT=250mA

eg IOUT=2.5A

♦ IOUT=5A

♦ IOUT=2.5A

IOUT=5A

VIN=0.5V less than specified VOUT,

IOUT=10mA

♦ (Note 3)

CL=22µF

V

V

nA

ppm/°C

CL=33µF

Adjustable version only

♦

Adjustable version only (Note 7)

♦

(Note 6)

0.1

nA/°C

Rev:B Nov 2008

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

2

© Copyright 2008 Exar Corporation

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