UC382TDKTTT-ADJ Integrated Circuits (ICs)

Voltage Dropout (Max):	2.1V @ 3A
Base Part Number:	UC382-ADJ
Supplier Device Package:	DDPAK/TO-263-5
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 100°C
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Control Features:	--
PSRR:	--
Current - Output:	3A
Series:	--
Voltage - Output (Max):	6V
Voltage - Output (Min/Fixed):	1.2V (1.2V)
Voltage - Input (Max):	7.5V
Number of Regulators:	1
Output Type:	Adjustable (Fixed)
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The UC382TDKTTT-ADJ is an adjustable Linear Voltage Regulator from Microchip Technology, Inc. It is a three-terminal regulator specifically designed for applications which require an output current of up to 200mA. This Internal Fixed Output Voltage Regulator accepts an input voltage of up 17V and provides a regulated output voltage ranging from 2.5V to 14.5V. This regulator is well-suited for output voltages between the standard 5V and 15V because of the adjustable output voltage pin-out.The UC382TDKTTT-ADJ is a high-performance linear regulator designed to provide high accuracy, excellent regulation and can handle up to 200mA of output current. It provides excellent line and load regulation characteristics. The low dropout voltage of 200mV ensures that the regulator can maintain a high degree of accuracy even at very low output voltages.

Features

The UC382TDKTTT-ADJ has a number of features that make it well-suited for applications where an adjustable linear voltage regulator is required. These features include:• Output voltage is adjustable from 2.5V to 14.5V • Maximum output current of 200mA • Low dropout voltage of 200mV • Built-in current limit protection • Internal thermal shutdown protection • Short-circuit protection • High output voltage accuracy • Good line and load regulation characteristics • Low supply current of 2.5mA

Application

The UC382TDKTTT-ADJ voltage regulator is designed primarily for use in applications where the output voltage needs to be adjusted, such as telecommunications, industrial, medical and consumer electronics. With its low dropout voltage of 200mV and a maximum output current of 200mA, it is well-suited for a wide range of applications.In communication equipment, the UC382TDKTTT-ADJ can be used to adjust the reference voltage of various transceiver components that require an adjustable output voltage. In industrial applications, it can be used to adjust the voltage levels of various digital and analog devices. In medical equipment, the UC382TDKTTT-ADJ can be used to adjust the power supply for medical instrumentation such as x-ray machines, EEGs, ECGs and life-support systems. In consumer electronics, it can be used to adjust the power supplies for LCD displays, audio amplifiers and portable devices such as handheld computers, mobile phones and game consoles.

Working Principle

The UC382TDKTTT-ADJ is a three-terminal adjustable linear voltage regulator. It contains internal voltage reference, error amplifier, current-limiting and Thermal Overload Protection circuitry. The UC382TDKTTT-ADJ is designed to operate with a power supply voltage of up to 17V. An input voltage of VIN is applied to the IN terminal of the regulator which is then compared to the internal reference voltage of Vref. The error amplifier compares the two voltages and amplifies the difference. The amplified signal is then applied to the pass element (usually a P-MOSFET) which controls the output voltage of VOUT.The output voltage can be adjusted by the use of an external resistor divider between the ADJ terminal and the OUT terminal. This allows the user to adjust the output voltage between the minimum and maximum programmed voltage levels.The current-limiting, Thermal Overload Protection and Short-Circuit protection circuits of the UC382TDKTTT-ADJ prevent any excessive current or temperature problems. The protective circuitry ensures that the regulator remains stable and reliable under a wide range of operating conditions.

Conclusion

The UC382TDKTTT-ADJ is a high-performance adjustable linear voltage regulator from Microchip Technology, Inc. It is designed to provide an adjustable output voltage from 2.5V to 14.5V, with a maximum output current of 200mA and a low dropout voltage of 200mV, providing an excellent line and load regulation. The built-in current limit protection and thermal shutdown protection provide an added level of safety and stability. It is suitable for a wide range of applications, including telecommunications, industrial and medical equipment, and consumer electronics.

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