TPS71727DCKT

Current - Output:	150mA
Base Part Number:	TPS71727
Supplier Device Package:	SC-70-5
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	70dB ~ 45dB (100Hz ~ 1MHz)
Current - Quiescent (Iq):	100µA
Series:	--
Voltage Dropout (Max):	0.3V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.7V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The TPS71727DCKT is a low Drop-Out linear voltage regulator (LDO) with a low quiescent current. This device is well-suited for systems requiring a low output voltage and battery-powered applications. It features a low output current limit and a 100 mV maximum dropout voltage.The TPS71727DCKT can provide up to 500 mA of output current and has an adjustable output voltage between 0.9V and 3.3V. The maximum quiescent current is only 3 uA, making it suitable for mobile applications with limited power budget. This device also features a low-dropout (LDO) noise rejection ratio which helps reduce ripple and noise in the system. The TPS71727DCKT also includes over-temperature and over-current protection.The TPS71727DCKT is typically used in portable systems, handhelds, and small appliances. It can be used to provide a regulated voltage for mobile phones or other portable devices with limited power budget. The low quiescent current makes it ideal for battery-powered applications where long battery life is a priority. The adjustable output voltage makes it suitable for applications requiring different output voltages.In terms of its working principle, the TPS71727DCKT works by controlling the voltage between its output and its pin 3 (reference voltage pin) with a P-channel MOSFET. This MOSFET is connected to the error amplifier, which amplifies the difference between input and output voltages. The output voltage is then adjusted using the built-in DAC, which is set by the external resistor divider.When the input voltage is higher than the output voltage, the error amplifier increases the drain-source voltage of the MOSFET, causing more current to flow, thus increasing the output voltage. Conversely, when the input voltage is lower than the output voltage, the error amplifier decreases the drain-source voltage of the MOSFET, thus decreasing the output voltage.Overall, the TPS71727DCKT is an ideal choice for low-output, low-dissipation, low-noise voltage regulation. Its adjustable output voltage makes it suitable for different applications, and its low quiescent current makes it ideal for battery operated systems. The low noise rejection ratio helps reduce ripple and noise in the system, making it ideal for sensitive applications.

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