LT1587
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LT1587

7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed

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Part Details
Part Models 12
1ku List Price Starting From $4.52
Features
  • Fast Transient Response
  • Guaranteed Dropout Voltage at Multiple Currents
  • Load Regulation: 0.05% Typical
  • Trimmed Current Limit
  • On-Chip Thermal Limiting
  • Standard 3-Pin Power Package
Additional Details
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The LT1584/LT1585/LT1587 are low dropout three-terminal regulators with 7A, 4.6A and 3A output current capability, respectively. Design has been optimized for low voltage applications where transient response and minimum input voltage are critical. Similar to the LT1083/4/5 family, it has lower dropout voltage and faster transient response. These improvements make it ideal for low voltage microprocessor applications requiring a regulated 2.5V to 3.6V output with an input supply below 7V.

Current limit is trimmed to ensure specified output current and controlled short-circuit current. On-chip thermal limiting provides protection against any combination of overload that would create excessive junction temperatures.

The LT1585/LT1587 are available in both the through-hole and surface mount versions of the industry standard 3-pin TO-220 power package. The LT1584 is available in the through-hole 3-pin TO-220 power package.

Output Current Output Voltage Options
LT1584, -3.3, -3.38, -3.45, -3.6 7A Adj, 3.3V, 3.38V, 3.45V, 3.6V
LT1585, -3.3, -3.38, -3.45, -3.6 4.6A Adj, 3.3V, 3.38V, 3.45V, 3.6V
LT1585A, LT1585A-3.3 5A Adj, 3.3V
LT1585-1.5, LT1585A-1.5 4.6A / 5A Fixed 1.5V
LT1587, -3.3, -3.45, -3.6 3A Adj, 3.3V, 3.45V, 3.6V
LT1587-1.5 3A Fixed 1.5V

Applications

  • Pentium Processor Supplies
  • PowerPC Supplies
  • Other 2.5V to 3.6V Microprocessor Supplies
  • Low Voltage Logic Supplies
  • Battery-Powered Circuitry
  • Post Regulator for Switching Supply
Part Models 12
1ku List Price Starting From $4.52

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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LT1587CT-3.3#PBF
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LT1587CT-3.45#PBF
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Aug 10, 2022

- 22_0175

Laser Top Mark Conversion for DDPAK & TO220 Packages Assembled in ADPG. Country of Origin Code [MY] To Be Incorporated On Top Mark

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Laser Top Mark Conversion for DDPAK & TO220 Packages Assembled in ADPG. Country of Origin Code [MY] To Be Incorporated On Top Mark

LT1587CM#PBF

PRODUCTION

LT1587CM#TRPBF

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LT1587CM-3.3#PBF

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LT1587CM-3.3#TRPBF

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LT1587CM-3.45#PBF

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Software & Part Ecosystem

Software & Part Ecosystem

Tools & Simulations

Tools & Simulations 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

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