Texas Instruments LM78M05CH
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $55.48 | $55.48 |
| 15+ | $14.96 | $224.40 |
| 25+ | $14.63 | $365.75 |
| 50+ | $13.82 | $691.00 |
| 100+ | $12.20 | $1,220.00 |
| N+ | $2.44 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Bulk | |
| 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) | - |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 3 mA |
| Current - Supply (Max) | - |
| PSRR | 78dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-205AD, TO-39-3 Metal Can |
| Supplier Device Package | TO-3 |
| ROHS |  |
The LM78M05CH from National Semiconductor is a fixed 5V linear voltage regulator capable of delivering up to 500mA. Housed in a robust TO-3 metal package, it offers excellent thermal performance and a power supply rejection ratio of 78dB at 120Hz, ensuring clean, stable output. With a low quiescent current of 3mA, it is efficient for always-on applications. This regulator is a trusted choice for industrial, automotive, and consumer electronics requiring a dependable 5V supply.
- Fixed 5V Output: Simplifies design with no external components needed.
- High PSRR: 78dB at 120Hz minimizes ripple from AC mains.
- Robust TO-3 Package: Metal can provides superior heat sinking for high-temperature environments.
- Low Quiescent Current: 3mA reduces power waste in standby modes.
- Proven Reliability: A standard in 5V power regulation for decades.
Microcontroller Power Supplies
The LM78M05CH provides a stable 5V rail at 500mA, ideal for powering microcontrollers, sensors, and logic circuits in embedded systems.
Industrial Control Panels
With 78dB PSRR at 120Hz, it effectively filters mains ripple, ensuring reliable operation of PLCs and industrial controllers.
Audio Equipment
Its low noise and high PSRR make it suitable for analog audio circuits requiring a clean 5V reference.
Automotive Electronics
The TO-3 package offers excellent heat dissipation, making it suitable for automotive modules operating in high-temperature environments.
Test and Measurement Instruments
Bench multimeters and oscilloscopes use this regulator for internal 5V logic supplies, benefiting from its stability and low quiescent current.
Consumer Electronics
From set-top boxes to gaming peripherals, the LM78M05CH provides a reliable 5V source for various consumer devices.
- Q: What is the output voltage of the LM78M05CH?
- A: It provides a fixed output voltage of 5V.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the input voltage requirement?
- A: The minimum input voltage is 5V, typically requiring 7V or higher for proper regulation.
- Q: What is the package type?
- A: It is available in a TO-3 metal can package.
- Q: What is the quiescent current?
- A: The quiescent current is 3mA.
- Q: What is the PSRR performance?
- A: Power supply rejection ratio is 78dB at 120Hz.
LM78M05CH.pdf
- Q: What is the output voltage of the LM78M05CH?
- A: It provides a fixed output voltage of 5V.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the input voltage requirement?
- A: The minimum input voltage is 5V, typically requiring 7V or higher for proper regulation.
- Q: What is the package type?
- A: It is available in a TO-3 metal can package.
- Q: What is the quiescent current?
- A: The quiescent current is 3mA.
- Q: What is the PSRR performance?
- A: Power supply rejection ratio is 78dB at 120Hz.
