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Product Detailed Parameters
- Description：IC REG LINEAR POS ADJ 1.5A TO220
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：30V
- Voltage - Output (Min/Fixed)：1.25V
- Voltage - Output (Max)：28.5V
- Voltage Dropout (Max)：1.5V @ 1.5A
- Current - Output：1.5A
- Current - Quiescent (Iq)：10 mA
- Current - Supply (Max)：-
- PSRR：88dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220
- Grade：-
- Qualification：-
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Overview
The LD1086V-DG is a positive low-dropout linear voltage regulator from STMicroelectronics, designed for fixed output applications. It provides a maximum output current of 1.5 A and operates with an input voltage range up to 30 V. The device features a dropout voltage of approximately 1.3 V at full load. It is housed in a TO-220-3 through-hole package and supports an operating temperature range from -40 °C to +125 °C. Internal protections include thermal shutdown and current limiting.
Feature Summary
- Fixed output voltage regulation capability
- Integrated thermal overload and short-circuit protection
- Low dropout performance for efficient power conversion
Applications
- General-purpose power supply circuits
- Battery-powered equipment requiring stable voltage rails
- Embedded systems and microcontroller power conditioning
Procurement Notes
Verify the specific suffix code (e.g., V33, V18) to confirm the exact fixed output voltage, as the base model number indicates the series but not the voltage value. Confirm RoHS compliance status and package availability directly with the manufacturer or authorized distributors before ordering. Check for end-of-life notices or obsolescence warnings associated with this specific part variant.
Selection Notes
Select this component when a fixed positive voltage rail is required with high current capacity. Ensure the input voltage remains within the 30 V maximum limit and consider the thermal dissipation requirements given the TO-220 package. Verify that the desired fixed output voltage matches the specific suffix designation available in the product line.
Part Context
This component belongs to the LD1086 series of low-dropout regulators. The 'DG' suffix typically denotes the TO-220-3 through-hole package variant. This series is widely used in industrial and consumer electronics for providing stable power to analog and digital loads.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Generic LDO replacements may differ in dropout voltage, current rating, or pin configuration. Verify compatibility with existing thermal management and circuit design constraints before substitution.
