Current - Output:	3A
Base Part Number:	TPS75725
Supplier Device Package:	TO-220-5
Package / Case:	TO-220-5
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Control Features:	Enable, Power Good
PSRR:	62dB (100Hz)
Current - Quiescent (Iq):	200µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Introduction

The TPS75725KC is a low-input-voltage linear regulator designed specifically for handheld and battery-powered devices. It can provide up to 1A of output current, and can accept input voltage from 4.5V to 22V, allowing for compatibility with a wide range of sources. It has a low quiescent current of 200µA, and up to 95% efficiency. The TPS75725KC is ideal for applications requiring low-power operation, long battery life, and cost efficiency.

Application Field

The TPS75725KC is an excellent choice for applications requiring low-power, battery efficiency, and cost-efficiency. It is well-suited for use in a variety of handheld and portable devices, such as wearable electronics, medical devices, audio equipment, and hand-held communication devices. It is also well-suited for use in motorcycles, cars, and other automotive applications. The TPS75725KC is also suitable for automotive applications requiring an extra layer of protection against input over-voltage, over-temperature, and short-circuit conditions.

Working Principle

The TPS75725KC is a low-input-voltage linear regulator. It consists of an NT network, which consists of a transistor and a zener diode. The transistor acts as a voltage regulator and charges the zener diode. The zener diode monitors the input voltage and provides feedback to the transistor, which ensures the output voltage remains stable and regulated.When the output voltage needs to be increased or decreased, the NT network adjusts the reference voltage to the transistor, which in turn adjusts the output voltage accordingly. The TPS75725KC also features a load switch to enable/disable the output and protect against excessive current drain when the load is disconnected. A thermal protection feature is also included to protect against overheating in the event of prolonged high-current operation.

Conclusion

The TPS75725KC is a low-input-voltage linear regulator designed specifically for handheld and battery-powered devices. It is well-suited for applications requiring low-power, battery efficiency, and cost-efficiency. It features a low quiescent current of 200µA, and up to 95% efficiency. It also features an NT network, a load switch, and a thermal protection feature. The TPS75725KC is ideal for use in a variety of handheld and portable devices, as well as automotive applications.

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