Allicdata Part #: | AN78L20-ND |
Manufacturer Part#: |
AN78L20 |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Panasonic Electronic Components |
Short Description: | IC REG LINEAR 20V 100MA 3SSIP |
More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
DataSheet: | AN78L20 Datasheet/PDF |
Quantity: | 1000 |
Specifications
Series: | -- |
Packaging: | Bulk |
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: | Through Hole |
Package / Case: | TO-226-3, TO-92-3 (TO-226AA) |
Supplier Device Package: | 3-SSIP |
Base Part Number: | AN78L20 |
Description
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Introduction
The AN78L20 series of negative linear voltage regulators are a family of fixed negative voltage regulators offering high power dissipation and a wide input voltage range. They are extensively used in consumer applications and other types of industrial and consumer applications, where output current stability is desired.Application Field
The AN78L20 series of linear voltage regulators has a wide range of applications. High voltage and low voltage versions are available to cover multiple supply voltages. They are commonly used in battery-powered equipment, where a stable and low output voltage is desired. They are also used in consumer and industrial applications such as mobile phones, laptop computers, set-top boxes, wearable technology, home appliances, robotics, automotive, and process control equipment.The device can be used in any application that needs a highly accurate regulated negative voltage and for the biasing of active linear devices such as operational amplifiers, comparators, and other linear circuits. They are also used in microprocessor and digital logic circuits.Working Principle
The AN78L20 series of linear voltage regulators is based on a basic linear principle and has a series voltage regulator as its core. The series voltage regulator is basically a voltage divider with an adjustable shunt between the reference voltage and a feedback voltage.The output of the series regulator is controlled by adjusting the external shunt resistance. This is done using a single internal switching transistor in the control loop that switches the shunt resistor between two external resistors. This provides a linear voltage regulation of the output voltage, with a 1:1 regulation ratio.The AN78L20 series of linear voltage regulators features an adjustable output voltage range from 1.2V to 24V, and a wide input voltage range from 9V to 36V, making it suitable for a variety of applications. It has a wide operating temperature range of -25°C to 125°C, and it can provide up to 500 mA of output current. The device also includes a thermal shutdown feature to protect it from excessive temperatures.Conclusion
The AN78L20 series of negative linear voltage regulators offers a wide range of features and is an excellent choice for a variety of applications. The device uses a basic linear principle and offers a highly accurate, linear voltage regulation, with a wide input voltage range and a wide operating temperature range. The device is also protected by a thermal shutdown feature and can provide up to 500 mA of output current. It is suitable for battery-powered equipment, consumer, and industrial applications, as well as microprocessor and digital logic circuits.The specific data is subject to PDF, and the above content is for reference
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