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Product Detailed Parameters
- Description：IC REG LINEAR 1.5V 1.5A D2PAK
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：30V
- Voltage - Output (Min/Fixed)：1.5V
- 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-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package：D2PAK
- Grade：-
- Qualification：-
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Overview
The LD1086D2T15R is a positive fixed low-dropout linear voltage regulator manufactured by STMicroelectronics. It provides a fixed output voltage of 1.5 V with a maximum output current capability of 1.5 A. The device is housed in a TO-252-3 (D2PAK) surface-mount package. Key electrical specifications include a maximum dropout voltage of 1.5 V at full load, line regulation of 4 mV, and load regulation of 8 mV. It operates within an ambient temperature range of -40°C to +125°C and features a static current of approximately 10 mA.
Feature Summary
- Provides stable regulated output voltage with high current delivery capability up to 1.5 A
- Low dropout characteristic ensures efficient operation with minimal input-output voltage difference
- Integrated thermal protection safeguards against overheating during high-load conditions
Applications
- Battery-powered systems requiring efficient voltage regulation
- Post-regulation stages for switching power supplies
- Portable equipment with limited supply voltage headroom
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels due to obsolete lifecycle status. Confirm RoHS compliance and specific packaging variants if available. Request original datasheets and test reports to validate performance parameters against application requirements before integration.
Selection Notes
Select this component when a fixed 1.5 V output is required with high current capacity in a compact surface-mount form factor. Ensure input voltage exceeds the minimum dropout threshold plus 1.5 V. Consider thermal management solutions given the D2PAK package limitations under continuous 1.5 A loads.
Part Context
This part belongs to the LD1086 series of low-dropout regulators designed for general-purpose power management applications. The D2T suffix indicates the D2PAK (TO-252) surface-mount package variant. The 15R suffix specifies the fixed 1.5 V output voltage version within this family.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult STMicroelectronics for current equivalent recommendations or compatible alternatives from other manufacturers that match the pinout and electrical specifications.
