LP2981IM5-3.6/NOPB

Current - Output:	100mA
Base Part Number:	LP2981
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	63dB (1kHz)
Current - Supply (Max):	1.7mA
Current - Quiescent (Iq):	95µA
Series:	--
Voltage Dropout (Max):	0.37V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.6V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LP2981IM5-3.6/NOPB Application Field and Working Principle

The LP2981IM5-3.6/NOPB is a high performance, low dropout, single output voltage regulator intended for applications which require both low voltage and low power dissipation. This device combines a wide input voltage range of 1.8V to 5.5V and output voltage of 3.3V with low quiescent current (typ. 35μA) and low dropout voltage (typ. 200mV @ 40mA). In addition, the device has an adjustable minimum output current capability of 1mA to provide excellent load transient response.The LP2981IM5-3.6/NOPB can be used in a wide variety of systems, such as automotive and consumer applications, computer and computing peripherals, battery-powered systems, and industrial electronics that require low power consumption, low voltage regulation, and low voltage dropout (LDO).The LP2981IM5-3.6/NOPB consists of an oscillator, control circuit and output stage constructed with PNP bipolar transistors and NPN bipolar transistors for pulse width modulation and current limiting. The device is provided with a built-in over temperature protection that reduces the output voltage to 0.8V and shuts off the voltage regulator when the junction temperature exceeds 125C. Also, the device is provided with an enable function that allows the device to be shut down to further reduce power consumption.The LP2981IM5-3.6/NOPB provides a stable output voltage, even under large line and load fluctuations. The device can be used in either a series or parallel regulator configuration, depending on the application. The output voltage can be adjusted by the external resistor divider, which can be connected to the external 5 pin through-hole package. Also, the device has an adjustable soft start circuitry to reduce inrush currents during startup.In summary, the LP2981IM5-3.6/NOPB is a high performance, low dropout, single output voltage regulator that is well suited for low power, low voltage regulation applications. With its wide input voltage range and adjustable output voltage, it can be used in a variety of systems where low power, low voltage regulation, and low voltage dropout is required. The device also has an adjustable minimum output current and a built-in over temperature protection, enabling it to be used in a wide range of applications.

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