TPS7333QPWG4

Current - Output:	500mA
Base Part Number:	TPS7333
Supplier Device Package:	20-TSSOP
Package / Case:	20-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable, Reset
PSRR:	51dB ~ 49dB (120Hz)
Current - Supply (Max):	550µA
Current - Quiescent (Iq):	400µA
Series:	--
Voltage Dropout (Max):	0.4V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	10V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Introduction
The TPS7333QPWG4 is an ultra low-dropout (LDO) linear regulator from Texas Instruments. It is designed to deliver power in every voltage range from 0.9 to 3 V with a guaranteed output current up to 0.4 A at an ambient temperature of +85 °C. It features low noise, low quiescent current, and low input voltage and output voltage ripple, making it suitable for use in a wide variety of applications like digital power supplies and portable electronics. This article will discuss the application field and working principle of the TPS7333QPWG4 linear regulator.Application Field and Working Principle of TPS7333QPWG4
The TPS7333QPWG4 is suitable for a wide range of applications, especially those that require low noise and low input voltage and output voltage ripple. It can be used in power supplies, battery management systems, embedded systems, and portable electronic devices. It is also well-suited for powering microcontrollers and ASICs.The TPS7333QPWG4 is a linear regulator, meaning it works by using an internal control loop to hold the output voltage at a given setpoint. This is done by comparing the output voltage with an internal voltage reference, and a current is supplied to the load until the reference voltage is met. This current is proportional to the input-to-output voltage (Vin-Vout). The TPS7333QPWG4 is designed to keep the output voltage stable even when the input voltage changes, which helps to ensure that the output voltage remains constant and does not oscillate.The linear regulator also has a number of features that make it ideal for noise sensitive applications. It has a low dropout voltage of 0.3V, which keeps the output voltage close to the input voltage, reducing power dissipation. It also has a low quiescent current draw of 40μA, which helps to reduce power consumption. The low output voltage ripple provides clean power to the load, and the high output current capability ensures that the load is properly powered.In addition, the TPS7333QPWG4 provides protections against overcurrent, overtemperature, overvoltage and reverse current. It also can provide short-circuit protection and can be enabled/disabled by an external signal. Conclusion
The TPS7333QPWG4 is an ultra low-dropout linear regulator that is suitable for a wide variety of applications. Its low noise, low quiescent current, and low input and output voltage ripple make it ideal for noise-sensitive applications. Its protections against overcurrent, overtemperature, overvoltage, reverse current, and short-circuit make it a robust and reliable device for powering a variety of loads.

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