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Product Detailed Parameters
- Description：IC REG LIN POS ADJ 1.5A TO252-3
- Series：-
- Mfr：TAEJIN
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：15V
- Voltage - Output (Min/Fixed)：1.25V
- Voltage - Output (Max)：15V
- Voltage Dropout (Max)：1.5V @ 1.5A
- Current - Output：1.5A
- Current - Quiescent (Iq)：90 µA
- Current - Supply (Max)：10 mA
- PSRR：65dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：TO-252-3
- Grade：-
- Qualification：-
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Overview
The LM1086RS-ADJ is a low dropout three-terminal positive voltage regulator manufactured by TAEJIN. It provides an output current capability of 1.5A with a maximum dropout voltage of 1.5V at full load. The device features an adjustable output voltage range set via an external resistor divider, utilizing an internal reference voltage of 1.25V. It operates within a supply voltage range up to 15V and supports junction temperatures from -40°C to 125°C. The component is housed in a TO-252-3L surface mount package.
Feature Summary
- Adjustable output voltage configuration using external resistors
- Integrated thermal limiting and current protection circuitry
- Low dropout voltage performance for efficient power regulation
- Fast transient response suitable for microprocessor applications
Applications
- Battery charger circuits
- Adjustable power supplies
- Constant current regulators
- Portable instrumentation systems
- SMPS post-regulator stages
Procurement Notes
Verify the manufacturer designation as TAEJIN against the provided datasheet source material. Confirm the specific package type corresponds to the TO-252-3L surface mount format. Ensure the ordering suffix matches the adjustable version requirements. Cross-reference electrical limits with the absolute maximum ratings table before integration.
Selection Notes
Select this component for applications requiring high current delivery with minimal voltage drop. The adjustable output allows flexibility for various target voltages. Consider thermal management strategies due to the power dissipation inherent in linear regulation. Verify stability requirements regarding output capacitor types and values for the specific operating conditions.
Part Context
This part belongs to the LM1086 series of low dropout positive regulators. The RS suffix indicates the TO-252-3L surface mount package variant, distinct from the TO-263-3L leaded version. The ADJ designation confirms the adjustable output functionality, differentiating it from fixed voltage options within the same family.
Replacement Considerations
LM1086R-ADJ (TO-263-3L package)
FAQ
What is the maximum input voltage for the LM1086RS-ADJ?
The maximum supply voltage (VIN) is rated at 15V.
Does the LM1086RS-ADJ require protection diodes?
Internal resistors limit current paths, so protection diodes are generally not needed between the adjustment pin and output or from output to input under normal operation.
