LT1587-1.5

PRODUCTION

Fixed 1.5V, 3A Low Dropout Fast Response GTL+ Regulator

Part Models: 3
1ku List Price: Starting From $3.94

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Part Details

Fast Transient Response
Guaranteed Dropout Voltage at Multiple Currents
Load Regulation: 0.05% Typ

Trimmed Current Limit
On-Chip Thermal Limiting

The LT1587-1.5 is a low dropout 3-terminal regulator with a fixed 1.5V output voltage and 3A output current capability. The design is optimized for low voltage applications where transient response and minimum input voltage are critical. Similar to the LT1085, it has lower dropout and faster transient response. These improvements make it ideal for low voltage microprocessor applications, especially as the regulator in an Intel Pentium Pro processor GTL+ supply.

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 creates excessive junction temperatures.

The LT1587-1.5 is available in both the through-hole and surface mount versions of the industry standard 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

Intel Pentium^® Pro Processor GTL+ Supply
Low Voltage Logic Supplies
Battery-Powered Circuitry

Part Models: 3
1ku List Price: Starting From $3.94

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LT1587CM-1.5#PBF	3-Lead DD Pak	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1587CM-1.5#TRPBF	3-Lead DD Pak	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1587CT-1.5#PBF	3-Lead TO-220	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

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
		PCN22_0175_Form Material_Report Delta Qualification Matrix
LT1587CM-1.5#PBF	PRODUCTION
LT1587CM-1.5#TRPBF	PRODUCTION
LT1587CT-1.5#PBF	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

LT1587
LT1587-3.3
LT1587-3.38
LT1587-3.45
LT1587-3.6

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.

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Part Details

Documentation

Data Sheet 1

Reliability Data 1

Spec Notice 1