Voltage Dropout (Max):	--
Base Part Number:	LM317L
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	--
PSRR:	80dB ~ 65dB (120Hz)
Current - Output:	100mA
Series:	--
Voltage - Output (Max):	32V
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	38V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Bulk

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LM317LCLP Application Field and Working Principle

The LM317LCLP is a highly efficient adjustable DC-DC converter regulator IC (integrated circuit) designed to provide an adjustable output voltage range of 1.2 V to 37 V. Primarily designed for use in laptop power supplies, the LM317LCLP can be used to provide a fixed power output to any application from 1.2 V to 37 V with a load current up to 6 amps.The LM317LCLP is a low dropout (LDO) voltage regulator with features that improve the performance of laptop power supplies. This monolithic integrated circuit has an error amplifier, reference voltage, programmable feedback, an output voltage of 1.2 V to 37 V and an adjustable output current limit up to 6 amps. This IC offers an adjustable output voltage, a high-output power, low dropout voltage and low quiescent current as well as excellent transient response, making it a great choice for use in laptop power supplies.The LM317LCLP is a type of linear voltage regulator and is part of a family known as PMICs or power management integrated circuits. These devices offer both voltage regulation and current limiting, making them ideal for a wide range of applications. Linear voltage regulators provide a constant output voltage by comparing the input voltage with a reference voltage. If the input voltage drops, the regulator compares it with the reference voltage and provides an output voltage that compensates for the change. If the input voltage rises, the regulator reduces the output voltage to keep it below the reference voltage. The LM317LCLP is a highly efficient adjustable LDO voltage regulator that operates by comparing two voltages, an adjustment voltage and an internal reference voltage, and then adjusting the output voltage accordingly. This regulator provides a fixed output voltage with adjustable current limiting over a wide range of input voltages by changing the values of resistors connected to the device\'s adjust pin. The LM317LCLP adjust pin is usually connected to either two resistors, two capacitors, a potentiometer, or a combination of these, to provide a variety of output voltage and current limiting options.The LM317LCLP also features internal overload and overvoltage protection. In case of overcurrent, the regulator will turn off the output voltage, protecting overcurrent and overvoltage from damaging the device or any other connected components.The LM317LCLP is suitable for automotive applications and is a great choice for direct-drive of digital devices. The device can handle a wide input voltage range of 2.5 V to 37 V and provides a high-output voltage accuracy of ±4.4% over a wide temperature range.The LM317LCLP is packaged in a TO-263 surface-mount package and is available in both 3-pin and 4-pin configurations. The LM317LCLP is also RoHS compliant with UL, CSA and ENEC approvals.In conclusion, the LM317LCLP is a highly efficient adjustable LDO voltage regulator which is ideal for a wide range of applications from laptop power supplies to automotive applications. The device offers excellent performance, adjustable output voltage and current limiting, overload and overvoltage protection, as well as a wide input voltage range and high-output voltage accuracy.

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