LP38691SD-2.5/NOPB

Current - Output:	500mA
Base Part Number:	LP38691
Supplier Device Package:	6-WSON (3x3)
Package / Case:	6-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature
Control Features:	--
PSRR:	55dB (120Hz)
Current - Supply (Max):	100µA
Current - Quiescent (Iq):	55µA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	0.73V @ 500mA
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

PMIC (Power Management ICs) are integrated circuits specifically designed to provide high-efficiency, low-energy and low-noise voltage regulation. With the addition of LP38691SD-2.5/NOPB, a linear voltage regulator which is a low-output, low-noise, low-dropout regulator, the power management solution can now be adapted for use in many applications.

Application Field of LP38691SD-2.5/NOPB

LP38691SD-2.5/NOPB is a cost effective linear voltage regulator. This device is intended for use in such applications as cell phones, personal digital assistants and other portable instruments. The LP38691SD-2.5/NOPB ensures that the regulated voltage is accurately adjusted and maintained even when the load current changes.LP38691SD-2.5/NOPB offers a wide range of features, including output short circuit protection, over-temperature protection, and thermal shut down. It offers fast, accurate and reliable regulation, as well as a response times and low output noise levels.The LP38691SD-2.5/NOPB has a dropout voltage of only 2.6V when delivering 1A. This makes it particularly suitable for applications that are operated on batteries, since it ensures a lower power consumption when powered by low voltage levels. The LP38691SD-2.5/NOPB is also designed to be used in power-sensitive applications, providing very low power consumption without sacrificing performance.Moreover, the LP38691SD-2.5/NOPB has a low noise design with very low ground currents and can also be used in multiple operating modes, allowing for operating currents up to 1A.

Working Principle of LP38691SD-2.5/NOPB

The LP38691SD-2.5/NOPB is a linear voltage regulator which follows a simple working principle to adjust and maintain a required output voltage. The device has a main control pin, which acts as the main input for sensing voltage. This pin is used to monitor the input voltage and compare it with the set output voltage.If the input voltage is too high, the voltage regulator will reduce the voltage by a proportional amount so that the output voltage is always the same as the set voltage. If the input voltage is too low, it will increase the current supply and thus increase the output voltage.The output voltage is also regulated by an internal voltage reference circuit. This circuit ensures that the output voltage does not fluctuate or deviate from its set value. The output voltage is further stabilized by a feedback loop and is constantly compared to the set voltage in order to ensure that the output voltage is always the same as the set voltage.Finally, the LP38691SD-2.5/NOPB also features current limiting, thermal shut-down protection, and over-temperature protection, which helps to ensure a safe and reliable operation.

Conclusion

The LP38691SD-2.5/NOPB is a low power linear voltage regulator which is specifically designed for use in such portable instruments as cell phones, personal digital assistants and other similar applications. Its low drop-out voltage and low-power consumption make it particularly suitable for battery-powered applications. It is also designed to provide fast and accurate voltage regulation with a response time and low output noise levels. The LP38691SD-2.5/NOPB also features protection circuits, current limiting and over-temperature protection, which guarantee a safe and reliable operation.

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