Allicdata Part #: | 425-1722-5-ND |
Manufacturer Part#: |
PQ20RX11 |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Sharp Microelectronics |
Short Description: | IC REG LINEAR POS ADJ 1A TO220-5 |
More Detail: | Linear Voltage Regulator IC Positive Adjustable 1 ... |
DataSheet: | PQ20RX11 Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Specifications
Series: | -- |
Packaging: | Tube |
Part Status: | Obsolete |
Output Configuration: | Positive |
Output Type: | Adjustable |
Number of Regulators: | 1 |
Voltage - Input (Max): | 24V |
Voltage - Output (Min/Fixed): | 3V |
Voltage - Output (Max): | 20V |
Voltage Dropout (Max): | 0.5V @ 500mA |
Current - Output: | 1A |
Current - Quiescent (Iq): | 8mA |
PSRR: | 45dB (120Hz) |
Control Features: | Enable |
Protection Features: | Over Current, Over Temperature |
Operating Temperature: | -20°C ~ 80°C |
Mounting Type: | Through Hole |
Package / Case: | TO-220-5 Formed Leads |
Supplier Device Package: | TO-220-5 |
Description
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Introduction
The PQ20RX11 is an advanced linear voltage regulator specifically designed for applications requiring high efficiency, low power dissipation and low cost. It offers a wide range of output voltage accuracy and current limiting, and is suitable for use in a variety of automotive, industrial, consumer and computer/internet applications. It offers a low dropout regulator (LDO) with a wide input voltage range of 1.8V to 19.2V, and is available in various package types.Applications
The PQ20RX11 is suitable for a wide range of applications, including consumer and industrial equipment, automotive, and computer/internet applications. These applications include general purpose voltage regulation, power supply sequencing and power management for low power and portable systems. With its high efficiency and low power dissipation, the PQ20RX11 is suitable for applications with high power supply requirements and tight power budget restrictions.Features
The PQ20RX11 features a wide input range of 1.8V to 19.2V, making it suitable for a wide range of applications. It also features current limit protection and over-voltage and under-voltage protection. It also features programmable shutdown sources, enabling the designer to use the device in a variety of circuit configurations. The PQ20RX11 also features low dropout voltage, low quiescent current and Transconductance-Coupled Regulation (TCR). This hybrid regulation method combines the advantages of both linear (low output ripple) and switching (high efficiency) voltage regulators.Working Principle
The PQ20RX11 is based on the Transconductance-Coupled Regulation (TCR) topology, which is a hybrid regulator that combines the advantages of both linear (low output ripple) and switching regulators (high efficiency). In this topology, two transistors, known as the controller and the driver, are used. The controller is used to regulate the voltage at the output, and the driver is used to control the current to the load. The controller monitors the output voltage using a feedback loop and adjusts the control voltage in such a way as to maintain the output voltage at the desired level. The feedback loop of the controller is realized using an error amplifier. The error amplifier is used to compare the output voltage to a reference voltage, and the difference between these two voltages is used to control the driver.The driver is used to provide the current to the output. This current is determined by the control voltage. When the control voltage increases, the current increases, resulting in an increase in output voltage. The current limiting circuitry is used to limit the maximum output current, to protect the device and other components from being damaged.Conclusion
The PQ20RX11 is an advanced linear voltage regulator that offers a wide range of output voltage accuracy and current limiting, and is suitable for a wide range of automotive, industrial, consumer and computer/internet applications. It is based on the Transconductance-Coupled Regulation (TCR) topology, which is a hybrid regulator that combines the advantages of both linear (low output ripple) and switching regulators (high efficiency). It features a wide input range of 1.8V to 19.2V, current limit protection and over-voltage and under-voltage protection. It is suitable for applications with high power supply requirements and tight power budget restrictions.The specific data is subject to PDF, and the above content is for reference
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