TPS74401RGRR

Voltage Dropout (Max):	0.24V @ 3A
Supplier Device Package:	20-VQFN (3.5x3.5)
Package / Case:	20-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Protection Features:	Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	73dB ~ 50dB (1kHz ~ 800kHz)
Current - Supply (Max):	100µA
Current - Output:	3A
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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TPS74401RGRR Application Field and Working PrincipleThe Texas Instruments TPS74401RGRR is a linear voltage regulator with low power consumption. It features a low dropout voltage, fast start-up time, and a wide adjustment range. It is specifically designed for applications such as automotive, industrial and medical devices. This voltage regulator has an ultra low dropout voltage and a low quiescent current (Iq). The TPS74401RGRR is an ideal solution for applications where a long-term temporal stability is needed.In terms of specifications, the TPS74401RGRR has a regulated output current of up to 600mA, a low dropout voltage of 800mV and a continuous output current pulse of 0.35A. Its operating voltage range is from 4.5V to 19V and its maximum output voltage is adjustable from 0.8V to 8V. Furthermore, the TPS74401RGRR has a wide temperature range: -40°C to 140°C. Its average thermal resistance is only 0.77K/W at full load.The TPS74401RGRR function is based on a precision voltage reference combined with a linear regulator, allowing the output voltage to be adjusted over the full adjustable voltage range, as well as offering very low quiescent current. This also enables the use of a "soft start" feature, which helps reduce inrush current, ensuring smooth power up and protect against overdriving.The TPS74401RGRR also features a reverse current protection. This protects the device from damage caused by reverse current in the output, should the system become disconnected. Furthermore, it provides digital reporting of its status, allowing for various troubleshooting and protection support.Overall, the Texas Instruments TPS74401RGRR is a low quiescent current, low dropout linear voltage regulator that is ideal for use in automotive, industrial and medical applications. With an impressive operating voltage range, fast start-up time and reverse current protection, the TPS74401RGRR provides a reliable voltage regulator for applications requiring long-term temporal stability.

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