TPS71733DCKT

Current - Output:	150mA
Base Part Number:	TPS71733
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):	3.3V
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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TPS71733DCKT is a voltage regulator with integrated high-side switch. It is linear voltage regulator family of Texas Instruments and provides LDO regulation with integrated high-side switch. This device allows the user to configure the output voltage. It also provides current and thermal protection.
The TPS71733DCKT is a low drop-out regulator (LDO) with integrated high-side switch that operates from 3V to 22V range, making it suitable for applications requiring a wide input voltage. The LDO regulates the output voltage that is adjustable and the high side switch is available for current control. With excellent accuracy of the output and current limiting protection, the TPS71733DCKT is reliable and stable to use.
The TPS71733DCKT adds a high side switch to a linear regulator. Its main purpose is to protect the module and the circuitry from current overload. The high side switch is able to turn on and off the load current under a programmed current threshold. Furthermore, the TPS71733DCKT has several advanced protection features such as overvoltage protection, thermal warning, overcurrent protection, and adjustable current foldback.
The applications of TPS71733DCKT are mainly in I/O rails, point-of-loads, and microprocessor power. Its protection features make it suitable for use in mobile applications, modems, and optical networking equipment. Its wide input voltage range makes it suitable for automotive and industrial applications. Moreover, its high-side switch allows for the control of the current for additional supply, making it an excellent choice for digital power supplies.
The working principle of the TPS71733DCKT involves two stages. The first stage is the LDO stage, where the input voltage is dropped down to the required output voltage. The second stage is the high-side switch stage, which controls the current flow. The LDO stage provides the regulation of the output voltage while the high-side switch limits the current capacity.
In the LDO stage, the TPS71733DCKT relies on a matched FETs combined with a voltage reference to regulate voltage across the load. The output voltage is regulated and this also limits the maximum input current into the load. The LDO also includes provisions for overvoltage and overtemperature protection.
In the high-side switch stage, the TPS71733DCKT utilizes a P-channel FET, which is connected between the input voltage and the load. The FET operates as a switch, controlling the current to the load. When the load current is higher than the programmed threshold, the FET switch is turned off. Furthermore, the high-side switch can also function as a current shunt, limiting the output voltage.
The TPS71733DCKT provides a highly integrated solution that combines an LDO and a high-side switch into one integrated circuit. It is suitable for applications that require wide input voltage and a high level of current control. Its advanced protection features make it safe to use and it is highly reliable and stable in operation.

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