TAEJIN LM78M05RS

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Product attributes Property Value
Manufacturer TAEJIN
Product Series
Packaging Tape & Reel (TR) |
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 35V
Voltage - Output (Min/Fixed) 5V
Voltage - Output (Max) -
Voltage Dropout (Max) 2.2V @ 350mA
Current - Output 500mA
Current - Quiescent (Iq) 6 mA
Current - Supply (Max) -
PSRR -
Control Features -
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package TO-252-3

The LM78M05RS is a classic fixed 5V positive voltage regulator from TAEJIN, capable of delivering up to 500mA. Housed in a TO-252-3 (DPAK) package, it offers a simple and reliable solution for creating a stable 5V power rail. With a quiescent current of 6mA and a dropout voltage of 2.2V at 350mA, it is a robust choice for many general-purpose applications.

  • Higher Output Current: 500mA capability supports a wider range of loads compared to typical 150mA LDOs.
  • Robust Package: TO-252-3 (DPAK) package offers good thermal performance for power dissipation.
  • Simple Integration: Fixed 5V output requires minimal external components for basic operation.
  • Proven Technology: Based on the industry-standard 78M05 topology, ensuring reliable and predictable performance.

General-Purpose 5V Power Supply

The 500mA output current makes it suitable for powering logic circuits, relays, and small motors in various embedded systems and hobbyist projects.

Industrial Control Panels

Provides a robust 5V rail for PLCs, industrial sensors, and control relays. The TO-252-3 package allows for easy heatsinking in higher current applications.

Audio Equipment Power

Can be used to power analog audio circuits requiring a stable 5V supply, such as preamplifiers and tone control stages.

Test and Measurement Equipment

Ideal for bench power supplies and measurement instruments where a reliable, fixed 5V reference is needed for calibration and testing.

Automotive Aftermarket Electronics

Suitable for powering 5V logic in car alarm systems, dashcams, and other aftermarket accessories, given proper input filtering.

Q: What is the output voltage of the LM78M05RS?
A: The fixed output voltage is 5.0V.
Q: What is the maximum output current?
A: It can deliver up to 500mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 2.2V at 350mA load.
Q: What is the quiescent current?
A: The quiescent current is 6 mA.
Q: What package is available?
A: It is available in a TO-252-3 (DPAK) package.
Base Product Number : LM78M05RS
500mA 5V DPAK Fixed Output LDO Linear Regulator TAEJIN TO-252-3
Q: What is the output voltage of the LM78M05RS?
A: The fixed output voltage is 5.0V.
Q: What is the maximum output current?
A: It can deliver up to 500mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 2.2V at 350mA load.
Q: What is the quiescent current?
A: The quiescent current is 6 mA.
Q: What package is available?
A: It is available in a TO-252-3 (DPAK) package.