LMS1587CS-1.5 datasheet(5/15 Pages) TI1

Part #	LMS1587CS-1.5

Description	LMS1585A 5A/LMS1587 5A and 3A Low Dropout Fast Response Regulators

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LMS1585A , LMS1587

www.ti.com

SNVS061G – MONTH 2003 – REVISED JULY 2013

ELECTRICAL CHARACTERISTICS (continued)

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.

ILIMIT

Current Limit

LMS1585A-ADJ/LMS1585A-3.3/LMS1585A-1.5

VIN−VOUT = 5.5V

5.0

6.6

A

LMS1587-ADJ/LMS1587-3.3/LMS1587-1.5

VIN−VOUT = 5.5V

3.1

4.3

A

Minimum Load

LMS1585A/87-ADJ

Current (4)

1.5V

≤ VIN−VOUT ≤ 5.75V

2.0

10.0

mA

Quiescent Current

LMS1585A-3.3/LMS1587-3.3/

LMS1585A-1.5/LMS1587-1.5

VIN = 5V

7.0

13.0

mA

Thermal Regulation

TA = 25

˚C, 30ms Pulse

0.003

%/W

Ripple Rejection

LMS1585A-ADJ

fRIPPLE = 120Hz, VIN−VOUT = 3V,

IOUT = 5A, COUT = 25µF Tantalum

72

dB

LMS1585A-1.5

fRIPPLE = 120Hz, COUT = 25µF

Tantalum, IOUT = 5A, VIN = 4.5V

60

72

dB

LMS1585A-3.3

fRIPPLE = 120Hz, COUT = 25µF

Tantalum, IOUT = 5A, VIN = 6.3V

72

dB

LMS1587-ADJ

fRIPPLE = 120 Hz, VIN−VOUT = 3V, IOUT = 3A

COUT = 25 µF Tantalum

72

dB

LMS1587-1.5

fRIPPLE = 120 Hz, COUT = 25µF Tantalum,

IOUT = 3A, VIN = 4.5V

60

72

dB

LMS1587-3.3

fRIPPLE = 120 Hz, COUT = 25µF Tantalum,

IOUT = 3A, VIN = 6.3V

72

dB

Adjust Pin Current

55

120

µA

Adjust Pin Current

10mA

≤ IOUT ≤ IFULLLOAD,

1.5V

≤ VIN−VOUT ≤ 5.75V

(5)

0.2

µA

Temperature Stability

0.5

%

Long Term Stability

TA = 125

˚C, 1000Hrs

0.03

%

RMS Output Noise

10Hz

≤ f ≤ 10kHz

0.003

%

(% of VOUT)

Thermal Resistance

3-Lead KTT (TO-263): Control/Output Section

0.65/2.7

*C/W

Junction-to-Case

3-Lead NDE (TO-220): Control/Output Section

0.65/2.7

*C/W

(4)

The minimum output current required to maintain regulation.

(5)

IFULLLOAD is 5A for LMS1585A and 3A for LMS1587.

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Product Folder Links: LMS1585A LMS1587

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