LMS1587IS-1.5 datasheet(4/15 Pages) TI1

Part #	LMS1587IS-1.5

Description	5A/LMS1587 5A and 3A Low Dropout Fast Response Regulators

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Manufacturer	TI1 [Texas Instruments]

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LMS1585A , LMS1587

SNVS061G – MONTH 2003 – REVISED JULY 2013

www.ti.com

ELECTRICAL CHARACTERISTICS

Typicals and limits appearing in normal type apply for TJ = 25˚C. Limits appearing in Boldface type apply over the entire

junction temperature range for operation, 0

˚C to 125˚C for commercial grade and −40˚C to 125˚C for industrial grade.

Symbol

Parameter

Conditions

Min(1)

Typ(2)

Max(1)

Units

VREF

Reference Voltage

LMS1585A-ADJ

VIN−VOUT = 3V, IOUT = 10mA

1.238

1.250

1.262

V

10mA

≤ IOUT ≤ 5A, 1.5V ≤ VIN− VOUT ≤ 5.75V

1.225

1.250

1.275

V

LMS1587-ADJ

10mA

≤ IOUT ≤ 3A, 1.5V ≤ VIN−VOUT ≤ 5.75V

1.225

1.250

1.275

V

VOUT

Output Voltage

LMS1585A-1.5

IOUT = 0mA, VIN = 5V

1.485

1.500

1.515

V

0

≤ IOUT ≤ 5A, 3V ≤ VIN ≤ 7V

1.470

1.530

V

LMS1585A-3.3

I OUT = 0mA, V IN = 5V

3.267

3.300

3.333

V

0

≤ I OUT ≤ 5A, 4.75V ≤ V IN ≤ 7V

3.235

3.300

3.365

V

LMS1587-1.5

V IN = 5V, I OUT = 0mA, TJ = 25˚C

1.485

1.500

1.515

V

0

≤ I OUT ≤ 3A, 3V ≤ VIN ≤ 7V

1.470

1.500

1.530

V

LMS1587-3.3

0

≤ I OUT ≤ 3A, 4.75V ≤ VIN ≤ 7V

3.235

3.300

3.365

V

∆VOUT

Line Regulation(3)

LMS1585A/87-ADJ

IOUT = 10mA, 2.75V ≤ V IN ≤ 7V

0.005

0.2

%

LMS1585A/87-3.3

I OUT = 0mA, 4.75V ≤ VIN ≤ 7V

0.005

0.2

%

LMS1585A/87-1.5

I OUT = 0mA, 3V ≤ VIN ≤ 7V

0.005

0.2

%

∆VOUT

Load Regulation(3)

LMS1585A-ADJ

0.3

%

VIN−VOUT = 3V, 10mA ≤ IOUT ≤ 5A

0.05

0.5

LMS1585A-1.5/LMS1585A-3.3

0.05

0.3

%

VIN = 5V, 0 ≤ IOUT ≤ 5A

0.05

0.5

LMS1587-ADJ

0.05

0.3

VIN−VOUT = 3V, 10mA ≤ IOUT ≤ 3A

0.05

0.5

%

LMS1587-1.5/LMS1587-3.3

0.05

0.3

%

VIN = 5V, 0 ≤ IOUT ≤ 3A

0.05

0.5

%

VIN−VOUT

Dropout Voltage

LMS1585A-ADJ/LMS1587-ADJ

∆VREF = 1%, IOUT = 3A

1.15

1.3

V

LMS1585A-3.3/LMS1587-3.3/

LMS1585A-1.5/LMS1587-1.5

∆VOUT = 1%, IOUT = 3A

1.15

1.3

V

LMS1585A-ADJ

∆VREF = 1%, IOUT = 5A

1.2

1.4

V

LMS1585A-1.5/LMS1585A-3.3

∆VOUT = 1%, IOUT = 5A

1.2

1.4

V

(1)

All limits are specified by testing or statistical analysis.

(2)

Typical Values represent the most likely parametric norm.

(3)

Load and line regulation are measured at constant junction temperature, and are ensured up to the maximum power dissipation of 30W.

Power dissipation is determined by the input/output differential and the output current. Ensured maximum power dissipation will not be

available over the full input/output range.

4

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