TPS76325DBVR

Current - Output:	150mA
Base Part Number:	TPS76325
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	60dB (1kHz)
Current - Supply (Max):	140µA
Current - Quiescent (Iq):	100µA
Series:	--
Voltage Dropout (Max):	0.6V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	10V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction
TPS76325DBVR is a linear voltage regulator designed for precision power-supply applications. It is intended for applications where a low noise regulated voltage is required or where the output voltage is ripple sensitive. It can supply up to 600mA output current and is stable over a wide range of loads. With a wide input voltage range of 2.3 to 6.5V, the regulator is suitable for both fixed and variable voltage applications. High-side current sensing and a low thermal resistance package make TPS76325DBVR ideal for use in a variety of low voltage power supplies and portable applications such as cell phones and toys.Application Field
TPS76325DBVR is suitable for applications requiring low noise and precision power-supply applications. It can be used in low voltage portable products such as cell phones and toys, with both fixed and variable voltage applications. It can also be used in a wide range of voltage regulation applications, where its wide input voltage range makes it particularly well suited. In addition, its high-side current sensing capability makes it well suited for precision current and voltage regulation.Working Principle
The TPS76325DBVR is a linear voltage regulator based on a P-channel MOSFET operating in a fixed-on time, current mode control. The current control feature of this device provides an improved response to line transients and load step changes. During normal operation, it will automatically adjust the output voltage to maintain a constant and precise output voltage. The current-mode technique also enables the device to draw only the minimum current required for operation, resulting in very low quiescent current. The operation of the device is based on an internal voltage reference, where the voltage at the output is regulated by varying the duty cycle of the internal MOSFET. An external current sensor is used to read the current flowing out of the device, and the control loop adjusts the on-time to maintain a constant output voltage and current. The MOSFET is switched off when a current falls to zero, resulting in near zero standby current.Conclusion
The TPS76325DBVR is a linear voltage regulator designed for precision power-supply applications. It is intended for applications where a low noise regulated voltage is required or where the output voltage is ripple sensitive. With a wide input voltage range of 2.3 to 6.5V, the regulator is suitable for both fixed and variable voltage applications. It’s high-side current sensing and low thermal resistance package make it ideal for use in portable products, particularly cell phones and toys. Its current control capability improves transient response, allows for precise current and voltage regulation and minimizes quiescent current draw.

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