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Product Detailed Parameters
- Description：IC REG LINEAR 1.8V 1.5A 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)：1.5V @ 1.5A
- Current - Output：1.5A
- Current - Quiescent (Iq)：10 mA
- Current - Supply (Max)：-
- PSRR：82dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°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 LD1086D2M18TR is a positive fixed low-dropout linear regulator manufactured by STMicroelectronics. It provides a nominal output voltage of 1.8 V with a maximum continuous output current of 1.5 A. The device features a maximum dropout voltage of 1.5 V at full load and operates within an input voltage range up to 30 V. It utilizes a D2PAK-3 (TO-263) surface-mount package. The unit maintains operation across an extended temperature range from -40 °C to +125 °C, incorporating internal thermal overload and short-circuit protection mechanisms.
Feature Summary
- Fixed 1.8 V output configuration optimized for stable power delivery
- Integrated thermal overload and short-circuit protection circuits
- Surface-mount D2PAK-3 package design for efficient heat dissipation
Applications
- Portable battery-powered equipment requiring regulated 1.8 V supply
- Embedded systems utilizing 1.8 V logic levels
- General-purpose low-noise power regulation in consumer electronics
Procurement Notes
Verify component authenticity through authorized distribution channels due to obsolete status. Confirm datasheet revisions match specific manufacturing lot requirements. Ensure proper handling procedures are followed during storage and assembly to maintain package integrity and electrical performance specifications.
Selection Notes
Select this component when a fixed 1.8 V output is required with up to 1.5 A capacity. The D2PAK-3 package suits applications needing robust thermal management. Verify input voltage does not exceed the 30 V absolute maximum rating. Consider alternative packages if footprint constraints differ from standard TO-263 dimensions.
Part Context
This part belongs to the LD1086 series of low-dropout regulators designed for high-current applications. It shares architectural similarities with other variants in the family but is distinguished by its fixed 1.8 V output setting. The series targets cost-sensitive designs requiring reliable linear regulation without external feedback components.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-reference with other LD1086 variants only if voltage and current ratings align with specific design requirements.
