| Allicdata Part #: | AN78L20ME1TR-ND |
| Manufacturer Part#: |
AN78L20ME1 |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Panasonic Electronic Components |
| Short Description: | IC REG LINEAR 20V 100MA 3HSIP |
| More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
| DataSheet: |  AN78L20ME1 Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Obsolete |
| Output Configuration: | Positive |
| Output Type: | Fixed |
| Number of Regulators: | 1 |
| Voltage - Input (Max): | 40V |
| Voltage - Output (Min/Fixed): | 20V |
| Voltage - Output (Max): | -- |
| Voltage Dropout (Max): | -- |
| Current - Output: | 100mA |
| Current - Quiescent (Iq): | 3.5mA |
| PSRR: | 44dB (120Hz) |
| Control Features: | -- |
| Protection Features: | Over Current, Over Temperature |
| Operating Temperature: | 0°C ~ 125°C |
| Mounting Type: | Surface Mount |
| Package / Case: | TO-243AA |
| Supplier Device Package: | 3-HSIP |
| Base Part Number: | AN78L20 |
Description
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The AN78L20ME1 is a three-terminal positive linear voltage regulator integrated circuit that is used in a variety of power management applications. It is designed for use in circuits that require low-voltage device protection such as automotive and lighting systems. The device can provide up to 0.2 A of output current at a voltage range of 2.7V to 15V. It has an adjustable output voltage and can be used in a variety of power management applications, such as for powering I/O circuits, post-regulation for switched-mode power supplies, and as a DC-DC converter. This article will discuss the application field and working principle of this device.Application Field
The AN78L20ME1 is a linear voltage regulator with a wide range of applications. It can be used in automotive and lighting systems to provide a safe, low-voltage power source. It is also suitable for post-regulation of switched-mode power supplies, as it has an adjustable output voltage ranging from 2.7V to 15V. Furthermore, this device can also be used as a DC-DC converter, providing up to 0.2 A of output current. It also has short-circuit protection and reverse current protection, making it suitable for both reverse and forward operation.Working Principle
The AN78L20ME1 is based on a three-terminal positive linear voltage regulator, meaning it can provide a stable voltage output in the presence of a varying input voltage. It has an adjustable output voltage ranging from 2.7V to 15V, depending on the user’s needs. The device operates by controlling the current that flows from the positive input pin to the output pin by sensing the voltage at the output pin. The device has a differential amplifier, which senses the difference between the input and output voltages. The output voltage is then adjusted accordingly, thus providing a constant output voltage. The device also has a current limit circuit, which senses the load current and prevents the device from delivering more than the rated current. Additionally, the AN78L20ME1 also has a thermal shutdown feature, which activates when the device temperature exceeds a certain level, to prevent damage caused by overheating. This device also has an overvoltage protection circuit which prevents the device from providing an output voltage that is higher than the maximum allowed voltage. In conclusion, the AN78L20ME1 is a three-terminal positive linear voltage regulator integrated circuit that can be used in a variety of power management applications. It has an adjustable output voltage ranging from 2.7V to 15V and can provide up to 0.2 A of output current. The device also provides short-circuit protection, reverse current protection, and overvoltage protection. The device operates by controlling the current that flows from the input to the output pin, and by sensing the difference between the input and output voltages. This device is ideal for automotive and lighting systems, post-regulation of switched-mode power supplies, as a DC-DC converter, and in a variety of other applications where low-voltage device protection is desired.The specific data is subject to PDF, and the above content is for reference
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