AP7313-18SRG-7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	6V
Voltage - Output (Min/Fixed):	1.8V
Voltage - Output (Max):	--
Voltage Dropout (Max):	--
Current - Output:	150mA
Current - Quiescent (Iq):	75µA
Current - Supply (Max):	85µA
PSRR:	65dB (100Hz)
Control Features:	--
Protection Features:	Over Current, Over Temperature, Short Circuit
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23R-3
Base Part Number:	AP7313

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AP7313-18SRG-7 application field and working principle

Introduction

AP7313-18SRG-7 is a voltage regulator produced by the manufacturer Anpec. It is part of the family of linear voltage regulators, and is used to convert high voltage AC to low voltage DC. This paper explains the application field and working principle of this voltage regulator.

Application Field

The main application of AP7313-18SRG-7 is to provide a stable DC voltage from a high AC voltage input. It can be used in a variety of applications including industrial automation, power supply, medical instruments, and medical imaging applications.The AP7313-18SRG-7 is a three-terminal regulator with a low dropout voltage, fast transient response and low noise output. It provides excellent voltage regulation accuracy and high stability. The device supports a wide input voltage range of 3.9V to 50V and provides an output voltage of 1.2V, 5V and 7V.

Working Principle

The AP7313-18SRG-7 is an integrated circuit (IC) designed to provide a regulated, low-voltage output from a higher input voltage. The IC is composed of several transistors, resistors, capacitors, and diodes, as well as current and voltage control components.The IC is designed to convert a high AC voltage input into a low DC voltage output. The AP7313-18SRG-7 uses a series of voltage references and transistors to control the output voltage to the desired level. The input voltage is stepped down to a specific level, and the output voltage is then regulated to the selected setting. The regulation of the output voltage is accomplished by controlling the base resistor and the collector resistor of one transistor, while the other transistor acts as a current source. When the input voltage fluctuates, the voltage reference adjusts the bias current to maintain the output voltage at the desired level.The AP7313-18SRG-7 also has a soft start feature, which reduces the inrush current when the device is powered on. The soft start feature ensures that the output voltage remains stable even if there is a sudden voltage change.

Conclusion

The AP7313-18SRG-7 is a three-terminal voltage regulator designed to provide a stable DC voltage from a high AC voltage input. It is suitable for industrial automation, power supply, medical instruments, and medical imaging applications. It provides excellent voltage regulation accuracy and high stability, with a wide input voltage range of 3.9V to 50V and output voltages of 1.2V, 5V and 7V. The device employs regulation techniques to maintain a constant output voltage and has a soft start feature for smooth powering up.

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