Tab is

INPUT

OUTPUT

ADJ/GND

INPUT

OUTPUT

ADJ/GND

LMS1585A/87-3.3

3.3V

3A, 5A

+

+

C2*

10 µF

C1

10 µF

* Required for Stability

LMS1585A , LMS1587

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SNVS061G – MONTH 2003 – REVISED JULY 2013

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

Check for Samples: LMS1585A , LMS1587

1

FEATURES

DESCRIPTION

The LMS1585A and LMS1587 are low dropout

234

•

Fast Transient Response

positive regulators with output load current of 5A and

•

Available in Adjustable, 1.5V, and 3.3V

3A respectively. Their low dropout voltage (1.2V) and

versions

fast transient response make them an excellent

•

Current Limiting and Thermal Protection

solution for low voltage microprocessor applications.

•

Commercial Temp. Tange: 0°C to 125°C

The

LMS1585A/87

are

available

in

adjustable

versions, which can set the output voltage with only

•

Industrial Temp. Range:

−40°C to 125°C

two external resistors. In addition, they are also

•

Line Regulation 0.005% (typical)

•

Load Regulation 0.05% (typical)

The LMS1585A/87 circuits include a zener trimmed

•

bandgap reference, current limiting and thermal

shutdown. The LMS1585A/87 series are available in

APPLICATIONS

KTT (TO-263) and NDE (TO-220) packages.

•

•

•

Other microprocessor supplies

•

Low voltage logic supplies

(1)

Consult factory for other fixed voltage options.

Typical Application

Figure 1. NDE (TO-220)

Figure 2. KTT (TO-263)

(Top View)

(Top View)

1

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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

PowerPC is a registered trademark of IBM.

3

Pentium is a registered trademark of Intel Corporation.

4

LT is a registered trademark of Linear Technology.

PRODUCTION DATA information is current as of publication date.

Copyright © 2003–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.