TPS77725PWPG4

Current - Output:	750mA
Base Part Number:	TPS77725
Supplier Device Package:	20-HTSSOP
Package / Case:	20-PowerTSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable, Power Good, Reset
PSRR:	60dB (1kHz)
Current - Quiescent (Iq):	125µA
Series:	--
Voltage Dropout (Max):	--
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:	Tube

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Introduction

TPS77725PWPG4 is a high-performance, low-dropout, voltage regulator which can work efficiently with loads ranging from 0.2 mA to 2 A. This voltage regulator features PGOOD pin for reporting power-good state of the source supply to the micro-controller. TPS77725PWPG4 also integrates power-on reset (POR) automatic reset function, which can reset the system by detecting the voltage from 0.3 V to 5.5 V. It is a high-performance three-terminal adjustable voltage regulator with an output voltage range of 0.8 V to 17 V.

Application Field

TPS77725PWPG4 can be widely used in a variety of applications. Due to its low dropout voltage and wide output voltage range, it is suitable for use in applications ranging from digital to analog, such as game consoles, computers, DSL/cable modems, cellular phones, PDAs, and other industrial, telecom and consumer products.In addition, TPS77725PWPG4 integrates fault management functions, on-chip control, voltage monitoring and soft start, making it suitable for use in communications, medical and automotive applications.

Working Principle

TPS77725PWPG4 provides precise voltage regulation and low noise over a wide input voltage range. It utilizes an external power-MOSFET transistor and is able to regulate the output voltage from 0.8 V up to 17 V.The voltage regulator has an integrated error-amplifier, a pulse-width-modulation (PWM) controller, an NMOS pass transistor and a logic-controlled power-on reset. The logic control power-on reset (POR) is able to detect the output voltage and micro-controller board power supply state.The high-performance, low-dropout voltage regulator uses a voltage-controlled current source to control the voltage on the output pin with a feedback node. The output voltage operating range is determined by the selection of an external resistor. This output voltage can be adjusted from 0.8 V up to 17 V with an accuracy of +/- 0.5% and with a bandwidth of 1 MHz.

Conclusion

In conclusion, TPS77725PWPG4 is a high-performance, low-dropout voltage regulator capable of regulating the output voltage from 0.8 V up to 17 V with an accuracy of +/- 0.5% and with a bandwidth of 1 MHz. It is suitable for use in applications ranging from digital to analog, such as game consoles, computers, DSL/cable modems, cellular phones, PDAs, and other industrial, telecom and consumer products. Furthermore, this voltage regulator integrates fault management functions, on-chip control, voltage monitoring and soft start, making it suitable for use in communications, medical and automotive applications.

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