LM2936MPX-3.0

Current - Output:	50mA
Base Part Number:	LM2936
Supplier Device Package:	SOT-223-4
Package / Case:	TO-261-4, TO-261AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Control Features:	--
PSRR:	60dB (120Hz)
Current - Supply (Max):	2.5mA
Current - Quiescent (Iq):	15µA
Series:	--
Voltage Dropout (Max):	0.2V @ 50mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	40V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LM2936MPX-3.0 Overview

LM2936MPX-3.0 is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It is classified as a power management integrated circuit (PMIC) under the voltage regulators-linear division. The device operates over a wide temperature range and provides excellent power supply rejection ratios (PSRR) over a broad spectrum of frequencies. Specifically, the LM2936MPX-3.0 is designed to provide a regulated output voltage of 3.0V, with a dropout voltage of only 0.35V at its maximum load current of 1.5A.

LM2936MPX-3.0 Application Field

The LM2936MPX-3.0 voltage regulator can be used in a variety of different applications that require a reliable, low-noise and low-dropout solution such as chipset, audio, automotive and wireless communications. Some specific applications include:

• Core and I/O voltage regulation for Vcore CPU power supplies
• Post regulation for switching regulators
• Computing and consumer, audio/video and automotive applications.
• Battery-powered embedded systems
• Portable instruments and consumer electronic devices
• Battery chargers

LM2936MPX-3.0 Working Principle

The LM2936MPX-3.0 voltage regulator is a voltage regulating device that is intended to maintain a stable output voltage under varying input voltages. Its operation is based on the linear regulation principle and it combines a series pass transistor with a Feedback/Error amplifier and a typical zener-based band gap voltage reference. When an input voltage is applied, the series pass transistor is used to provide a current to the load. The error amplifier monitors the output and compares the output voltage with the reference voltage. When the output voltage deviates from the reference voltage, the Error amplifier will adjust the pass transistor gate voltage to correct the error, thus maintaining the output voltage at the desired level.

LM2936MPX-3.0 Key Features

The LM2936MPX-3.0 voltage regulator is designed to provide a low dropout voltage, excellent power supply rejection ratios (PSRR) and lower output noise, making it an ideal choice for applications that require reliable and efficient power conversion. Some additional features include:

• Output voltage: 3.0V
• Dropout Voltage: 0.35V (at max load)
• Operating current: 1.5A
• High PSRR over a broad spectrum of frequencies
• Low output noise
• Operating temperature range from -40°C to 125°C

Conclusion

The LM2936MPX-3.0 voltage regulator is designed as a low-dropout and high-performance device for applications that require a stable output voltage with low noise. The device operates over a wide temperature range and offers excellent power supply rejection ratios (PSRR) over a broad spectrum of frequencies. LM2936MPX-3.0 is designed to provide an output voltage of 3.0 volts, with a dropout voltage of only 0.35V at its maximum load current of 1.5A. Furthermore, it can also be used in a variety of different applications that require reliable, low-noise and low-dropout solutions.

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