LP2951CN-3.0/NOPB

Current - Output:	100mA
Base Part Number:	LP2951
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	14mA
Current - Quiescent (Iq):	120µA
Series:	--
Voltage Dropout (Max):	0.6V @ 100mA
Voltage - Output (Max):	30V
Voltage - Output (Min/Fixed):	1.235V (3V)
Voltage - Input (Max):	30V
Number of Regulators:	1
Output Type:	Adjustable (Fixed)
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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Introduction to LP2951CN-3.0/NOPB

LP2951CN-3.0/NOPB is a voltage regulator being developed by Texas Instruments, and it falls into the category of PMIC – Voltage Regulators – Linear. It is an adjustable low dropout voltage regulator that features very low quiescent current, high accuracy and fast transient response.

Main Features and Benefits of LP2951CN-3.0/NOPB

LP2951CN-3.0/NOPB offers several features and benefits, including:• adjustable output voltage from 0.45V to 15V • output voltage accuracy of ±1% • quiescent current of only 20 μA • high power supply rejection ratio (PSRR) of 70 dB at 10KHz • fast transient response time of 6μs • excellent output current capability of 500mA • temperature range of -40 °C to +85 °C • pin-to-pin compatible with previous members of the LMP family • ESD protection of greater than 2 kilovolts • SOT-223-5L and DFN-8L packages

Applications and Working Principle of LP2951CN-3.0/NOPB

LP2951CN-3.0/NOPB is designed for a wide range of applications, including Computer Motherboard Power Supplies, Cellular Phone Power Supplies, Low-Dropout Adjustable Regulators, and CMOS Real-Time Clocks. The working principle of LP2951CN-3.0/NOPB is relatively simple. The circuit consists of an error amplifier and a pass transistor. The error amplifier compares the output voltage with a reference voltage, and it controls the pass transistor to adjust the output voltage to the desired value. The quiescent current is very low, resulting in excellent power efficiency.

Conclusion

In conclusion, LP2951CN-3.0/NOPB is an adjustable low dropout voltage regulator that is designed for a wide range of applications. It features very low quiescent current, high accuracy, fast transient response, high power supply rejection ratio, and excellent output current capability. It is pin-to-pin compatible with previous members of the LMP family, and offers good temperature range and ESD protection.

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