TPS74301KTWT

Current - Output:	1.5A
Base Part Number:	TPS74301
Supplier Device Package:	DDPAK/TO-263-7
Package / Case:	TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
Control Features:	Enable, Power Good, Tracking
PSRR:	73dB ~ 42dB (1kHz ~ 800kHz)
Current - Supply (Max):	1.5mA
Current - Quiescent (Iq):	115µA
Series:	--
Voltage Dropout (Max):	0.12V @ 1.5A
Voltage - Output (Max):	3.6V
Voltage - Output (Min/Fixed):	0.8V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The TPS74301KTWT is a high-performance, very low noise CMOS linear regulator. It is capable of output currents from less than 1 mA to 40 mA while maintaining excellent noise performance and low quiescent current. The low noise performance over a wide frequency range makes it a good choice for powering any audio system. This device offers better performance than discrete designs and higher output currents than LDO devices.

Application Field

The TPS74301KTWT is a versatile regulator designed for use in a wide variety of applications. It is suitable for a range of low-voltage DC/DC conversion applications. It is an ideal choice for powering audio systems, handheld devices, and other applications requiring very low noise and sound quality.

Working Principle

The TPS74301KTWT is a linear voltage regulator, meaning it uses a resistor-capacitor (RC) network in order to regulate the output voltage. This regulation is necessary for providing even and consistent voltages in order to maximize system performance.The TPS74301KTWT works by maintaining the output voltage at a constant level by comparing the differential voltage between the feedback voltage and the reference voltage. When the output voltage deviates from the reference voltage, the device will adjust the gate voltage of the power transistor so that the output voltage is maintained.

Benefits

The TPS74301KTWT offers many benefits over traditional discrete designs and linear regulators. The low noise architecture helps to reduce EMI and eliminate the need for external components. It also provides extremely low quiescent current, making it ideal for a range of low-power applications. The device’s high output current capability makes it suitable for applications requiring higher output currents.

Conclusion

The TPS74301KTWT is a high-performance, very low noise CMOS linear regulator that is suitable for a range of applications. Its low-noise architecture, low quiescent current, and high output current capability make it an ideal choice for powering audio systems, handheld devices, and other applications. Its operation is based on maintaining the output voltage by comparing the feedback voltage and the reference voltage. The many benefits of the device make it a great choice for low-voltage DC/DC conversion applications.

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