TPS74701DRCRG4

Voltage Dropout (Max):	1.39V @ 500mA
Base Part Number:	TPS74701
Supplier Device Package:	10-VSON (3x3)
Package / Case:	10-VFDFN Exposed Pad
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, Soft Start
PSRR:	60dB ~ 30dB (1kHz ~ 300kHz)
Current - Output:	500mA
Series:	--
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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Overview

The TPS74701DRCRG4 is a 1.8 V microprocessor regulator linear voltage regulator device that is an ultra-high efficiency, low dropout (LDO) designed for low power powering applications. It is designed for maximum flexibility and to provide the lowest possible quiescent current. This device offers excellent line transient response and is highly compatible with a wide range of microprocessor applications, from low-power portable batteries to microcontrollers. This device also provides a variety of features and benefits, such as low power consumption, low on-resistance and high accuracy, and includes an integrated temperature sensing circuit.

Application Field

The TPS74701DRCRG4 is a versatile linear voltage regulator device suitable for a variety of applications, including low-power mobile batteries and microcontrollers. It offers the ability to consistently regulate voltage in applications with low input voltage and very low quiescent current. This device is capable of delivering up to 1.8 V with a maximum dropout voltage of 0.4 V and a minimum quiescent current of just 3.2 μA. The TPS74701DRCRG4 also provides high accuracy and tight voltage regulations, which means it can be used in a wide range of applications, including notebooks, PDAs, digital camera and LED backlighting. Additionally, the device is designed to support output voltages in the range of 1.2 V up to 1.8 V and can operate over a wide temperature range.

Working Principle

The TPS74701DRCRG4 is based on a conventional linear regulator circuit. It consists of a metal-oxide-semiconductor field-effect transistor (MOSFET) and a power transistor that are interconnected in a series configuration. The MOSFET serves as the pass device and is responsible for driving the voltage regulator output voltage up and down as required. The power transistor is responsible for rectifying the input voltage and regulating the output voltage. It is placed in the feedback loop of the voltage regulator, thereby maintaining the output voltage at a constant level. The TPS74701DRCRG4 also has a temperature sensing circuit to sense the temperature of the device and adjust the output voltage accordingly.The TPS74701DRCRG4 is designed for low power applications and, as such, utilizes a low quiescent current. This, together with its low dropout operation, makes it ideal for battery powered devices. Its low power consumption, high accuracy, and tight voltage regulations make it suitable for a variety of applications.

Summary

The TPS74701DRCRG4 is an ultra-high efficiency, low dropout (LDO) linear voltage regulator device. Suitable for a wide range of applications where low power, low on-resistance and high accuracy are needed, this device is also highly compatible with microprocessor applications and other low power supplying systems. It features excellent line transient response and utilizes a low quiescent current to ensure maximum efficiency. This device is also capable of delivering up to 1.8 V with a maximum dropout voltage of 0.4 V and a minimum quiescent current of 3.2 μA.

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