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Product Detailed Parameters
- Description：IC REG LINEAR 1.8V 5A D2PAK-3
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：30V
- Voltage - Output (Min/Fixed)：1.8V
- Voltage - Output (Max)：-
- 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 LD1585CD2M18R is a positive fixed linear voltage regulator from STMicroelectronics, delivering up to 5A of output current. It features a fixed 1.8V output voltage and operates with a maximum dropout voltage of 1.4V at full load. The device utilizes D2PAK-3 packaging for efficient thermal management. Key electrical characteristics include an output type of fixed voltage and support for high-current applications requiring stable regulation.
Feature Summary
- Provides fixed positive output voltage regulation
- Capable of delivering up to 5A output current
- Low dropout voltage design for efficiency
- Integrated protection mechanisms for reliability
Applications
- Power supplies for embedded systems
- Battery-powered equipment
- General-purpose low-dropout regulation
Procurement Notes
Verify the exact package marking and date code against the manufacturer's latest documentation. Confirm that the D2PAK-3 footprint matches your PCB layout requirements. Ensure thermal dissipation capabilities are sufficient for your specific ambient temperature and load conditions before finalizing procurement decisions.
Selection Notes
Select this component when a fixed 1.8V output is required with high current capability. Consider the thermal performance of the D2PAK-3 package in your system design. Compare dropout specifications against your input voltage range to ensure stable operation under all expected load conditions.
Part Context
This part belongs to the LD1585C series of low-dropout regulators designed for high-current applications. The series offers various fixed output voltages and packaging options to suit different power management needs in consumer and industrial electronics.
Replacement Considerations
Check for compatible parts within the same LD1585 family or equivalent 5A LDOs from other manufacturers. Verify pin compatibility and thermal characteristics to ensure seamless integration without redesigning the PCB.
FAQ
What is the maximum output current?
The LD1585CD2M18R can provide up to 5A of output current.
What is the fixed output voltage?
The fixed output voltage is 1.8V.
