Allicdata Part #: | L78MR05R-E-ND |
Manufacturer Part#: |
L78MR05R-E |
Price: | $ 0.98 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ON Semiconductor |
Short Description: | IC REG LINEAR 5V 500MA TO220-5H |
More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
DataSheet: | L78MR05R-E Datasheet/PDF |
Quantity: | 1000 |
250 +: | $ 0.89460 |
Series: | -- |
Packaging: | Tube |
Part Status: | Last Time Buy |
Output Configuration: | Positive |
Output Type: | Fixed |
Number of Regulators: | 1 |
Voltage - Input (Max): | 20V |
Voltage - Output (Min/Fixed): | 5V |
Voltage - Output (Max): | -- |
Voltage Dropout (Max): | -- |
Current - Output: | 500mA |
PSRR: | 80dB ~ 77db (120Hz) |
Control Features: | Reset |
Protection Features: | Over Current, Over Temperature |
Operating Temperature: | -30°C ~ 80°C |
Mounting Type: | Through Hole |
Package / Case: | TO-220-5 Formed Leads |
Supplier Device Package: | TO-220-5H |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
The L78MR05R-E is a voltage regulator designed to provide an accurate and adjustable output voltage regardless of changes in line voltage, load variations and temperature changes. It is the ideal device for applications requiring an ultra-low quiescent current and very low dropout voltage when the load current is low.
Features
The L78MR05R-E has several features that make it an excellent choice for a variety of design needs. These features include:
- Accurate output voltage: The L78MR05R-E is able to provide a very accurate output voltage regardless of the changes in line voltage, load variations, and temperature changes.
- Ultra-low quiescent current: The device uses an ultra-low quiescent current. This helps to minimize the overall power consumption and also helps to significantly reduce heat dissipation.
- Very low Dropout voltage: The L78MR05R-E also has a very low dropout voltage. This ensures that the voltage supplied to the load remains constant even when the load is at low currents.
- Thermal shutdown: As the device can dissipate large amounts of heat, the L78MR05R-E also features thermal shutdown to protect itself from damage due to excessive temperatures.
Application Field
The L78MR05R-E is an excellent voltage regulator for a variety of applications. It is commonly used in automotive applications, industrial, consumer, and medical applications. Examples of these applications include:
- Display drivers
- Charging systems and LCD monitors
- The protection of sensitive components from voltage fluctuations
- Microprocessor control and communication systems
- Battery-powered systems
- Automotive electronics
- Industrial and consumer applications
Working Principle
The L78MR05R-E operates under the principle of linear voltage regulation. As the input voltage increases or decreases, the device will automatically adjust the output voltage to maintaining an accurate and constant voltage. The device has a low quiescent current (consumption at idle) which reduces the power loss and helps to keep the temperatures low.
The L78MR05R-E also has a thermal shutdown feature, which safeguards the device from overtemperature damages. When the internal temperature of the device exceeds 150°C, the device will automatically shut itself down and restart when the temperature returns back to the normal operating range.
The device includes various protection functions such as reverse polarity protection, current limit protection, and over voltage protection. The device will automatically shut itself down if the input voltage exceeds the maximum allowed range or the output current exceeds the permissible range.
Conclusion
The L78MR05R-E is a linear voltage regulator that offers an excellent combination of features including an ultra-low quiescent current, very low dropout voltage, as well as thermal shutdown and protection features. This makes it an ideal choice for a variety of applications including automotive electronics, display drivers, charging systems, LCD monitors, and microcontroller-based systems.
The specific data is subject to PDF, and the above content is for reference
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