UCC384DPTR-12

Current - Output:	500mA
Base Part Number:	UCC384-12
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit, Under Voltage Lockout (UVLO)
Control Features:	--
PSRR:	--
Current - Quiescent (Iq):	350µA
Series:	--
Voltage Dropout (Max):	0.5V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	-12V
Voltage - Input (Max):	-15V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Negative
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to UCC384DPTR-12

The UCC384DPTR-12 is a low noise linear regulator device from Texas Instruments. It\'s a 3A max output current and 12V voltage dropout device, so it can be used for both low voltage output and high voltage input voltage applications.The UCC384DPTR-12 includes a protective low-frequency noise attenuation (LFN) scheme and adjustable output current limit to help protect against output over-voltage and short-circuit conditions. It also offers a high power supply rejection ratio (PSRR) to minimize noise injection into the output and a thermal shutdown mechanism to protect the device from thermal overloads.Application Fields of UCC384DPTR-12

The UCC384DPTR-12 is suitable for a wide range of application fields, including consumer, automotive, industrial, and communications markets. In consumer electronics, it can be used in televisions, digital audio and video players, gaming consoles, and power-management systems. The device can provide a low noise output while delivering high power in these systems. In automotive electronics, the device can provide a cost effective, high-voltage solution for providing a regulated output voltage and low-noise output for automotive systems.In industrial and communications applications, UCC384DPTR-12 is well suited for powering telecommunications, digital data networks, wireless devices, and industrial control systems. The device offers very low ripple and noise output, as well as a high PSRR, which helps reduce system noise.Working Principle of UCC384DPTR-12

The UCC384DPTR-12 device is designed to convert a higher input voltage to a lower output unit voltage. The input voltage is applied to the base terminal and the output voltage is generated across the emitter terminals. The 7P/NTA/R48N/B differential amplifier senses the difference between the input and output voltages, and If the output voltage is lower than the desired set point, then the device will provide more collector current, which flows through the pass elements to increase the output voltage.The UCC384DPTR-12 device includes two input resistors, RIN1 and RIN2, which monitor the input voltage and regulate the output current. The current sense resistor, RSENSE, monitors the output current and provides additional protection against over-current conditions. The device also includes a low frequency noise attenuation (LFN) scheme, which helps improve the output signal\'s low noise performance.Finally, the device includes a thermal shutdown circuit, which prevents the device from operating at extreme temperatures. This feature helps keep the device from operating outside of its specified operating parameters and helps protect it from potential damage.Conclusion

The UCC384DPTR-12 is a low noise linear regulator device from Texas Instruments. It\'s a 3A max output current and 12V voltage dropout device, so it can be used for both low voltage output and high voltage input voltage applications. The device is suitable for a wide range of applications, including consumer, automotive, industrial, and communications markets. The device is designed to convert a higher input voltage to a lower output voltage by using a differential amplifier and current sense resistor, and it also includes LFN-scheme and a thermal shutdown circuit for improved performance and protection.

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