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Product Detailed Parameters
- Description：IC REG LINEAR 1.8V 1.5A TO252-3
- Series：-
- Mfr：TAEJIN
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：26V
- Voltage - Output (Min/Fixed)：1.8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.35V @ 1.5A
- Current - Output：1.5A
- Current - Quiescent (Iq)：8 mA
- Current - Supply (Max)：-
- PSRR：-
- Control Features：-
- Protection Features：Over Current, Over Temperature, Over Voltage, Reverse Polarity
- 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 LM29150RS-1.8 is a fixed-output low-dropout linear voltage regulator manufactured by TAEJIN (HTC Korea). It provides a regulated 1.8V output with a maximum current capability of 1.5A. The device utilizes a PNP pass element to achieve a dropout voltage of 350mV at full load. It operates within an input voltage range up to 26V and features a junction-to-case thermal resistance of 12°C/W in the TO-252 package. The unit includes protection against overcurrent, reverse polarity, and thermal overload.
Feature Summary
- High current capability of 1.5A with extremely fast transient response
- Low dropout voltage of 350mV at full load using PNP pass element technology
- Accurate 1% guaranteed initial tolerance for output voltage regulation
- Integrated reverse-battery and load dump protection
Applications
- Battery powered equipment
- Automotive electronics
- High-efficiency linear power supplies
- Post-regulator for switching supplies
Procurement Notes
Verify the specific ordering suffix RS corresponds to the TO-252 surface-mount package configuration. Confirm that the X.X designation matches the required 1.8V fixed output level. Ensure compatibility with the manufacturer's active status and RoHS compliance requirements before finalizing procurement orders.
Selection Notes
Select this component when a high-current 1.5A LDO is required with tight 1% voltage accuracy. The TO-252 package is suitable for surface-mount applications requiring efficient heat dissipation. Consider the 350mV dropout characteristic for systems where input voltage headroom is limited relative to the 1.8V output requirement.
Part Context
This part belongs to the LM2915x family of regulators from HTC Korea, which also includes the LM29151 (with enable control) and LM29152 (adjustable version). The RS suffix specifically denotes the TO-252 package variant supplied on a reel, distinguishing it from the tube-supplied TO-220 or leaded TO-263 versions.
Replacement Considerations
LM29150RS-1.8
FAQ
What is the maximum operating input voltage?
The recommended operating input voltage is up to +26V, although the absolute maximum rating allows brief exposure to higher voltages.
Does the LM29150RS-1.8 have an enable pin?
No, the LM29150 series does not feature an enable pin; only the LM29151 and LM29152 variants include this functionality.
