SPX1585AT-LSLASHTR datasheet(2/7 Pages) EXAR

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SPX1585

ABSOLUTE MAXIMUM RATINGS

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

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

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

Input to Output Voltage Differential .................... 10V

Operating Junction Temperature Range

SPX1585 Control Section.......................... -45°C +125°C

SPX1585 Power Transistor.........................-45°C +150°C

ELECTRICAL CHARACTERISTICS (NOTE 1) at IOUT = 10mA, TA=25°C, unless otherwise specified.

PARAMETER

CONDITIONS

Typ

SPX1585A

SPX1585

UNITS

Min

Max

Min

Max

1.5V Version

1.485

1.515

1.47

1.53

Output Voltage (Note 2)

SPX1585-1.5V, 0 < IOUT < 5A, 3.3V<VIN<10V

1.5

1.47

1.53

1.455

1.545

2.5V Version

2.475

2.525

2.45

2.55

Output Voltage (Note 2)

SPX1585-2.5V, 0 < IOUT < 5A, 4.0V<VIN<10V

2.5

2.45

2.55

2.425

2.575

3.3V Version

3.267

3.333

3.234

3.366

Output Voltage (Note 2)

SPX1585-3.3V, 0 < IOUT< 5A, 4.8V<VIN<10V

3.3

3.234

3.366

3.069

3.399

All Voltage Options

Reference Voltage (Vref)

1.250

1.225

1.270

1.225

1.270

VIN≤ 7V, P≤ PMAX

1.5V≤ (VIN -VOUT)≤5.75V, 10mA≤IOUT≤5A

Min. Load Current (Note 3)

1.5V≤ (VIN –VOUT)≤5.75V

Line Regulation (∆Vref(Vin))

2.75V≤VIN ≤7V, Iout=10mA, TJ=25ºC

(Note 3)

0.005

0.2

VIN ≤7V, IOUT=0mA, TJ=25ºC (Note 2)

0.005

0.2

10mA≤IOUT ≤5A, (VIN-VOUT)=3V, TJ=25ºC (Note 3)

0.05

0.3

Load Regulation(∆Vref(Iout))

0≤IOUT ≤5A, VIN=7V, TJ=25ºC (Note 2)

0.05

0.3

Dropout Voltage

∆

VREF=1%

IOUT = 5A (Note 3)

IOUT < 5A (Note 2)

1.1

1.2

VIN=7V

5.2

Current Limit

Iout(MAX)

1.4V ≤ (VIN - VOUT) (Note3)

Long Term Stability

TA=125ºC, 1000 Hrs.

0.3

(Note 2)

Thermal Regulation

(∆Vout(Pwr))

TA=25ºC, 20 ms pulse

0.01

0.020

%/W

Temperature Stability

(∆Vout(T))

0.25

Output Noise, RMS

10Hz to 10kHz TA=25ºC

0.003

% Vo

3.0

TO-220

Junction to Tab

Junction to Ambient

3.0

Thermal Resistance

DD Package

Junction to Tab

Junction to Ambient

ºC/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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