LT1587-1.5
LT1587-1.5
PRODUCTIONFixed 1.5V, 3A Low Dropout Fast Response GTL+ Regulator
- Part Models
- 3
- 1ku List Price
- Starting From $4.99
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Overview
- 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
Documentation
Data Sheet 1
Spec Notice 1
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 | ||
| LT1587CM-1.5#TRPBF | 3-Lead DD Pak | ||
| LT1587CT-1.5#PBF | 3-Lead TO-220 |
| 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 |
||
| 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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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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