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Date 5/25/04

SPX1581 5A Ultra Low Dropout Voltage Regulator

©Copyright 2004 Sipex Corporation

Power Dissipation ..................................... Internally Limited

Lead Temp. (Soldering, 10 Seconds) ......................... 300°C

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

Operating Junction Temperature Range

SPX1581 Control Section ............................. 0°C to +125°C

SPX1581 Power Transistor .......................... 0°C to +150°C

ELECTRICAL CHARACTERISTICS

The

♦ denotes the specifications which apply over full temperature range -40°C to +85°C, unless otherwise specified.

PARAMETER

MIN

TYP

MAX

UNITS

♦ CONDITIONS

2.5V Version

Output Voltage

2.450

2.5

2.550

V

2.400

2.600

2.8V Version

Output Voltage

2.744

2.8

2.856

V

2.688

2.912

3.3V Version

Output Voltage

3.234

3.3

3.366

V

3.168

3.3

3.432

All Voltage Options

Reference Voltage

1.238

1.25

1.263

V

Line Regulation

mV

1.0

3.0

Load Regulation (Note 1)

1.0

5.0

mV

1.10

1.25

V

0.40

0.50

V

Current Limit

5.1

A

Minimum Load Current

5

10

mA

Thermal Regulation

0.002

0.02

%/W

30ms Pulse

Ripple Rejection

60

80

dB

Control Pin Current

60

120

mA

Adjustble Pin Current

50

120

♦

Thermal Resistance

3

°C/W

TO-220-5

50

°C/W

Thermal Resistance

3

°C/W

TO-263-5

60

°C/W

Input Supply Voltage ..................................................... 6V

V

ABSOLUTE MAXIMUM RATINGS

Note 1: Low duty cycle pulse testing with Kelvin connections is required to order to maintain accurate data.