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Product Detailed Parameters
- Description：IC REG LINEAR POS ADJ 5A D2PAK-3
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：30V
- Voltage - Output (Min/Fixed)：1.25V
- Voltage - Output (Max)：28.6V
- Voltage Dropout (Max)：1.4V @ 5A
- Current - Output：5A
- Current - Quiescent (Iq)：10 mA
- Current - Supply (Max)：-
- PSRR：75dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature
- Operating Temperature：0°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：TO-263-4, D2PAK (3 Leads + Tab), TO-263AA
- Supplier Device Package：D2PAK-3
- Grade：-
- Qualification：-
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Overview
The LD1585CD2M-R is a linear voltage regulator IC from STMicroelectronics, housed in a D2PAK-3 package. It provides a positive adjustable output capable of delivering up to 5A of current. The device features a typical dropout voltage of 1.2V and guarantees a maximum dropout of 1.4V at full load. It is classified as an obsolete product no longer manufactured by the original maker.
Feature Summary
- Provides high current output capability up to 5A
- Features low dropout voltage characteristics for efficient regulation
- Supports both fixed and adjustable output voltage configurations
Applications
- General purpose power supply circuits requiring stable voltage regulation
- Embedded systems needing reliable 5A current delivery
- Industrial equipment power distribution networks
Procurement Notes
This component is officially marked as obsolete and no longer manufactured by STMicroelectronics. Procurement must focus on verified substitute part numbers or surplus stock from authorized distributors. Buyers should confirm authenticity and condition carefully, as availability is limited. Cross-reference with recommended replacements like the LMS1585ACSX-ADJ/NOPB before ordering.
Selection Notes
Select this regulator when a robust 5A linear solution is required within a D2PAK footprint. Verify thermal management capabilities due to high current handling. Consider the obsolete status and plan for long-term supply chain alternatives. Ensure input voltage exceeds output requirements by the specified dropout margin to maintain regulation stability under all load conditions.
Part Context
The LD1585C series represents a family of low-dropout regulators designed for high-current applications. The CD2M variant specifically utilizes the D2PAK surface-mount package for improved thermal performance compared to through-hole options. This series is widely recognized in industrial and consumer electronics for its reliability and simplicity in linear regulation tasks.
Replacement Considerations
The LMS1585ACSX-ADJ/NOPB from Texas Instruments is listed as a similar available substitute. Verify pin compatibility and thermal requirements before swapping components directly.
