SPX1587AT-3.3 datasheet(2/7 Pages) SIPEX

Part #	SPX1587AT-3.3

Description	3A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response

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Manufacturer	SIPEX [Sipex Corporation]

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Rev. 10/30/00

SPX1587

ABSOLUTE MAXIMUM RATINGS

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

Maximum Input Voltage ...................................... 10V

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

Input to Output Voltage Differential Max ........... 8.8V

Operating Junction Temperature Range ......................

SPX1587 Control Section.......................... -45°C +125°C

SPX1587 Power Transistor.........................-45°C +150°C

ELECTRICAL CHARACTERISTICS (NOTE 1) at I

OUT = 10mA, TA=25

°C, unless otherwise specified.

PARAMETER

CONDITIONS

Typ

SPX1587A

Min

Max

SPX1587

Min

Max

Units

1.5V Version

Output Voltage (Note 2)

SPX1587-1.5V, 0

≤IOUT≤3A, 2.75V≤VIN ≤10V

1.5

1.485

1.470

1.515

1.530

1.470

1.455

1.530

1.545

V

2.5V Version

Output Voltage (Note 2)

SPX1587-2.5V, 0

≤IOUT≤3A, 4.0V≤VIN ≤10V

2.5

2.475

2.450

2.525

2.550

2.450

2.425

2.550

2.575

V

3.3V Version

Output Voltage (Note 2)

SPX1587-3.3V, 0

≤IOUT≤3A, 4.75V≤VIN ≤10V

3.3

3.270

3.240

3.330

3.360

3.230

3.201

3.370

3.399

V

5.0V Version

Output Voltage (Note 2)

SPX1587-5.0V, 0

≤IOUT≤3A, 6.5V≤VIN ≤10V

5.0

4.95

4.90

5.05

5.10

4.900

4.850

5.100

5.150

V

All Voltage Options

Reference Voltage (VREF)

VIN

≤ 7V, P≤ PMAX

1.5V

≤ (VIN -VOUT)≤(VIN-VOUT) MAX,

10mA

≤IOUT≤3A

1.250

1.238

1.225

1.263

1.270

1.225

1.212

1.270

1.288

V

Min. Load Current (Note 3)

1.5V

≤ (VIN -VOUT)≤ (VIN-VOUT) MAX

5

10

mA

Line Regulation (

∆VREF (VIN))

2.75V

≤VIN ≤7V, IOUT=10mA, TJ=25°C

(Note 3)

0.005

0.2

%

VIN

≤7V, IOUT=0mA, TJ=25°C

(Note 2)

0.005

0.2

%

Load Regulation (

∆VREF

(IOUT))

10mA

≤IOUT ≤3A, (VIN-VOUT)=3V, TJ=25°C

(Note 3)

0.05

0.3

%

0

≤IOUT ≤3A, VIN=7V, TJ=25°C

(Note 2)

0.05

0.3

%

Dropout Voltage

∆VREF=1%

IOUT =3A

IOUT

≤3A

1.1

1.2

V

Current Limit

IOUT (MAX)

VIN=7V

1.4V

≤ (VIN- VOUT) (Note3)

4.0

3.2

A

Long Term Stability

TA=125

°C, 1000 Hrs.

0.3

(Note 2)

1

%

Thermal Regulation

(

∆VOUT (Pwr))

TA=25

°C, 20 ms pulse

0.01

0.020

%/W

Temperature Stability

(

∆VOUT (T))

0.25

%

Output Noise, RMS

10Hz to 10kHz TA = 25

°c

0.003

%V

Thermal Resistance

TO-220

DD Package

Junction to Tab

Junction to Ambient

Junction to Tab

Junction to Ambient

3.0

60

3.0

60

3.0

60

3.0

60

°C/W

The Bold specifications apply to the full operating temperature range.

Note 1: Changes in output voltage due to heating effects are covered under the specification for thermal regulation.

Note 2: Fixed Version Only

Note 3: Adjustable Version Only

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