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Product Detailed Parameters
- Description：IC REG LIN POS ADJ 3A TO263-5L
- Series：-
- Mfr：TAEJIN
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：26V
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：26V
- Voltage Dropout (Max)：0.6V @ 3A
- Current - Output：3A
- Current - Quiescent (Iq)：35 mA
- Current - Supply (Max)：37 mA
- PSRR：-
- Control Features：Enable
- Protection Features：Load Dump, Over Current, Over Temperature, Reverse Polarity, Transient Voltage
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
- Supplier Device Package：TO-263-5L
- Grade：-
- Qualification：-
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Overview
The LM29302R is a high-current, adjustable low-dropout linear regulator manufactured by TAEJIN (HTC Korea). It utilizes a PNP pass element to achieve a typical dropout voltage of 370mV at full load. The device supports an operating input voltage up to 26V and delivers a continuous output current of 3.0A. It features a logic-level enable control pin for zero-current shutdown mode and includes comprehensive protection against overcurrent faults, reverse polarity, and thermal overload.
Feature Summary
- High current capability with 3.0A output
- Low dropout voltage performance using PNP pass element
- Logic level enable control for zero-current shutdown
- Comprehensive fault protection including thermal and current limiting
Applications
- Battery powered equipment
- Automotive electronics
- High-efficiency linear power supplies
- Post-regulator for switching supplies
Procurement Notes
Verify the manufacturer designation as HTC Korea or TAEJIN when sourcing this component. Confirm the package type corresponds to TO-263 reel packaging. Ensure the specific order number matches the adjustable version requirements. Check RoHS compliance status if required for your assembly process. Validate that the supply chain documentation aligns with the official datasheet specifications.
Selection Notes
Select the LM29302R when an adjustable output voltage is required alongside high current delivery. This part is suitable for applications needing precise regulation under varying load conditions. Consider the thermal management requirements due to the high current capacity. Ensure the input voltage range remains within the specified operating limits for optimal performance.
Part Context
This component belongs to the LM2930x family of very low dropout linear regulators. The family includes fixed voltage variants like the LM29300 and enabled versions like the LM29301. The LM29302 specifically provides adjustable output capabilities while maintaining the high efficiency and robust protection features characteristic of the series.
Replacement Considerations
Compatible alternatives include the LM29300T-X.X and LM29301T-X.X from the same manufacturer family. Cross-manufacturer equivalents should be evaluated based on current rating and dropout voltage specifications. Verify pin compatibility and thermal characteristics before substitution.
