LM2936BMX-5.0

Current - Output:	50mA
Base Part Number:	LM2936
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Shutdown
PSRR:	60dB (120Hz)
Current - Supply (Max):	2.5mA
Current - Quiescent (Iq):	9µA
Series:	--
Voltage Dropout (Max):	0.12V @ 50mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	40V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The LM2936BMX-5.0 is a voltage regulator from Texas Instruments. This device is a linear regulator that provides a regulated output voltage with a very low output noise. It has a low dropout (LDO) design and is designed to provide excellent transient response and load regulation.It is suitable for many applications where a low-noise and low-jitter voltage is required, such as audio and communications systems and microcontrollers. It can also be used to power LED display drivers.The LM2936BMX-5.0 is available in a 5.0volt output pcb-mounted version with adjustable output and a fixed 5.0V output version. The recommended operating temperature range is between -40°C and 125°C.

Application Field and Working Principle

The LM2936BMX-5.0 is a linear voltage regulator that provides a regulated output voltage with very low output noise. It is suitable for a range of applications, such as driving LEDs, audio and communications systems, microcontrollers, and other low-noise systems.The device is based on a series voltage regulator topology where the output voltage is regulated by controlling the voltage drop across a series pass element. The output voltage is determined by the reference voltage, the current flowing through the pass element, and the input voltage.The LM2936BMX-5.0 has an internal reference voltage of 1.25 volts. This reference voltage is used as a reference against which the output voltage is regulated. The device also has an adjustable current-limit protection circuit that can be adjusted to limit the maximum output current to 1.5A.The device has a quiescent current of only 20µA and a very low output noise of 10µVRMS. This low noise makes it suitable for audio and communications systems, as well as microcontrollers, where stable and low-noise power supplies are essential.The LM2936BMX-5.0 has an adjustable output voltage range of 3V to 5V and a fixed output voltage of 5V. It has a load regulation of 0.2%/V and a line regulation of 0.02%/V. The device is also protected from thermal shutdown and short-circuit conditions.

Conclusion

The LM2936BMX-5.0 is a linear voltage regulator from Texas Instruments. It is suitable for applications where low-noise and low-jitter voltage is required, such as audio and communications systems, microcontrollers, and LED displays. It has an internal reference voltage of 1.25V, an adjustable current-limit protection circuit, and a very low output noise of 10µVRMS. It has an adjustable output voltage range of 3V to 5V and a fixed output voltage of 5V. The device is protected from thermal shutdown and short-circuit conditions.

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