LM2936QMP-3.3/NOPB

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:	Automotive, AEC-Q100
Voltage Dropout (Max):	0.2V @ 50mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
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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Introduction to LM2936QMP-3.3/NOPB

The LM2936QMP-3.3/NOPB is a low-power, linear voltage regulator from Texas Instruments. This device is specifically optimized for battery-powered systems, and is designed to provide a regulated output voltage of 3.3V with a maximum load current of 10 mA. It supports a wide input voltage range (1.8V - 5.5V) and is capable of operating in both low-dropout and drop-steady modes. It also includes an output current monitor, allowing it to detect over-current conditions even when operating at very low dropout voltages.

Application Fields of LM2936QMP-3.3/NOPB

The LM2936QMP-3.3/NOPB is well suited for use in battery-powered applications such as portable medical devices, meters, radios, and measurement instruments. It is also used in cellular phone and other small battery-powered electronics. The device’s low quiescent current (1µA typ), low dropout voltage, and excellent ripple-rejection characteristics make it ideal for use in a variety of other applications, including high-precision digital-to-analog (D/A) converters and RF/analog mixers.

Features of LM2936QMP-3.3/NOPB

The LM2936QMP-3.3/NOPB offers several features that make it ideal for use in low-power, battery-powered applications:

• Wide input voltage range (1.8V to 5.5V)
• Low dropout voltage (170 mV at 10 mA)
• Excellent ripple-rejection characteristics (up to 55 dB)
• Low quiescent current (1 µA typ)
• Integrated output current monitor
• Output enable control
• High-accuracy output voltage (±2%)

Working Principle of LM2936QMP-3.3/NOPB

The LM2936QMP-3.3/NOPB is a low-dropout linear voltage regulator, which means that the output voltage is directly proportional to the input voltage, with a choice of either low-dropout or drop-steady voltage regulation. The input voltage is applied to the device’s base, which is then used to adjust the output voltage. The output voltage is monitored and adjusted by feedback circuitry, which measures the output voltage and adjusts the input voltage accordingly.The output current monitor feature of the LM2936QMP-3.3/NOPB is designed to detect over-current conditions even when operating at low dropout voltages. This feature allows the device to provide a high level of protection for sensitive circuitry in the event of an overload or short circuit.The LM2936QMP-3.3/NOPB has an output enable pin, which allows the user to easily turn the output voltage on/off by simply connecting the pin to ground. This feature is useful for applications where the output voltage needs to be turned off when not in use to conserve power.

Conclusion

The LM2936QMP-3.3/NOPB is a low-power, linear voltage regulator ideal for use in battery-powered applications. This device offers a wide input voltage range, low dropout voltage, excellent ripple-rejection characteristics, and an integrated output current monitor. It is well suited for use in a variety of portable medical, measurement, and consumer electronic applications.

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