UA723CN

Voltage Dropout (Max):	--
Base Part Number:	UA723
Supplier Device Package:	14-PDIP
Package / Case:	14-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 70°C
Protection Features:	--
Control Features:	Current Limit
PSRR:	74dB ~ 86dB (50Hz ~ 10kHz)
Current - Output:	150mA
Series:	--
Voltage - Output (Max):	37V
Voltage - Output (Min/Fixed):	2V
Voltage - Input (Max):	40V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Introduction

The UA723CN is an integrated circuit (IC) voltage regulator with adjustable output voltage and current limit. It is a linear voltage regulator with an adjustable output voltage range of 0V to 25V and an adjustable current limit of 10A. The primary focus of the UA723CN is as an audio stage stabilizer in power amplifiers, audio amplifiers, and other audio applications. This document provides a detailed overview of the UA723CN and its application field as well as its working principle.

Application Field

The UA723CN is a general purpose voltage regulator with an adjustable output voltage range of 0V to 25V and an adjustable current limit of 10A. It can be used in applications ranging from audio amplifiers and power supplies to voltage converters and battery chargers. Furthermore, it can also be used as a general purpose low-noise power supply with adjustable output voltage and current limit.

Features

The UA723CN features an adjustable output voltage ranging from 0V to 25V and an adjustable current limit of 10A. It also features a wide operating temperature range of 0°C to +85°C, low noise and high power efficiency up to 95%. Furthermore, it has thermal protection which ensures the device’s safety operating temperature and prevents thermal runaway conditions. Additionally, it has short-circuit protection and reverse polarity protection which provide additional protection to the device from damage.

Working Principle

The working principle of the UA723CN is based on the linear voltage regulator principle where the output voltage is regulated through the adjustment of an internal reference voltage. The input voltage is applied to the noninverting input of the internal error amplifier, and the reference voltage is applied to the inverting input. The differential voltage applied to the inputs of the internal error amplifier triggers the internal error amplifier to adjust the output voltage so that the voltage applied to the inverting input is the same as the voltage applied to the noninverting input. This regulates the output voltage and current of the UA723CN to the desired value.

Conclusion

The UA723CN is a linear voltage regulator with adjustable output voltage and current limit. It is an IC that is suitable for a wide range of power supply and audio applications. The primary focus of the UA723CN is as an audio stage stabilizer in power amplifiers, audio amplifiers, and other audio applications. The UA723CN is based on the linear voltage regulator principle, where the output voltage is regulated through the adjustment of an internal reference voltage. Additionally, it features several features such as wide operating temperature range, low noise and high power efficiency, thermal protection, short-circuit protection and reverse polarity protection—all of which provide additional protection to the device.

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