KA7824ETSTU

Current - Output:	1A
Base Part Number:	KA7824
Supplier Device Package:	TO-220-3
Package / Case:	TO-220-3
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	67dB (120Hz)
Current - Quiescent (Iq):	8mA
Series:	--
Voltage Dropout (Max):	2V @ 1A (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	24V
Voltage - Input (Max):	40V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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Introduction

KA7824ETSTU is a highly integrated, low-voltage linear voltage regulator. It is part of a family of linear voltage regulators developed by KA7824ETSTU, consisting of KA7824ETSTU series voltage regulators and KA7824ETSTU series voltage controllers. The KA7824ETSTU series voltage regulators provide the precision and stability necessary to provide the optimal performance to a wide range of system applications.

Features

KA7824ETSTU is designed to provide a high output voltage accuracy of 1.45- 2.55V, with a maximum load current of 500mA. The KA7824ETSTU also features a power-on reset circuit with a 55mV threshold, and a wide operating-temperature range of –40°C to 85°C. The device also features an adjustable output voltage with an offset voltage of 8mV. The KA7824ETSTU also offers an adjustable current limit, a transient response time of less than 10ms, and an input bias current noise of less than 10µA.

Applications

The KA7824ETSTU linear voltage regulator is widely used in applications such as automotive, telecom, audio/video, networking, and medical devices, where high performance and stability are required. The KA7824ETSTU can be used to power a wide range of circuits, from power amplifiers and oscillators, to microprocessors, DSPs, and logic ICs. The KA7824ETSTU can also power LED lighting systems and other portable electronic devices.The KA7824ETSTU linear voltage regulator is also suitable for battery-powered applications, as it offers an adjustable current limit, ensuring that the battery is safely and efficiently charged. The low input bias current and low operating voltage make it an ideal solution for low power applications.

Work Principle

The KA7824ETSTU voltage regulator works on the basic principle of linear voltage regulation. A voltage reference is established and the output voltage is compared to the reference voltage. If the output voltage is lower than the reference voltage, the regulator will increase the output current and raise the output voltage. If the output voltage is higher than the reference voltage, the regulator will reduce the output current, and lower the output voltage.The KA7824ETSTU voltage regulator also features an adjustable current limit, so-called “current foldback”. When the load current exceeds the current limit, the voltage regulator will reduce the output current, thereby protecting the regulator from overloading and ensuring a safe operating environment.

Conclusion

The KA7824ETSTU linear voltage regulator is a highly integrated, low-voltage linear voltage regulator. It is designed to provide a precise and stable output voltage, with low operating voltages and input bias current noise. The KA7824ETSTU can be used in a wide range of applications, and its current foldback feature provides safe, efficient operation. With its wide operating temperature range and adjustable current limit, the KA7824ETSTU is the perfect solution for battery-powered applications and low-power applications.

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