LE30CZ

Current - Output:	100mA
Base Part Number:	LE30
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	81dB ~ 60db (120Hz ~ 10kHz)
Current - Supply (Max):	3mA
Current - Quiescent (Iq):	1mA
Series:	--
Voltage Dropout (Max):	0.5V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	18V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Bulk

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<h2> Introduction </h2><p>The LE30CZ is a 3-Terminal Adjustable Linear Voltage Regulator, specifically designed for cost conscious applications. It can provide an output of up to 30V referenced to ground and with a current limit of up to 1A. Additionally, its integrated ultra low-drop technology and low power consumption helps save power and increase efficiency while operating as a linear regulator. By leveraging proven processes and solid engineering, the LE30CZ can deliver a reliable and cost efficient voltage regulator power solution for numerous applications. </p><h2> Application Fields </h2><p>The LE30CZ is ideal for a variety of applications, such as logic controllers, power systems, microcomputers, data communications systems, and audio transducers, that require a low dropout linear voltage regulator. The LE30CZ provides a full range of adjustable user-programmable voltage output from 2.7V to 30V, making it very versatile and suitable for a broad range of applications that require different output voltages. The LE30CZ can be used in numerous applications, including when powering standard logic devices, converting existing regulated supply designs, and automotive accessories. </p><h2>Working Principle </h2><p>The LE30CZ is based on a 3-terminal voltage regulator IC (integrated circuit) with a well demonstrated three-stage power management technology: regulating input voltage, regulating feedback voltage and output voltage. The regulator controls the output voltage by comparing the feedback voltage at the adjustable terminals to the internally generated electric reference voltage of 3.2V. The output voltage is adjusted by varying the electric resistance value at theADJ terminal, which in turn changes the current flowing through the voltage feedback conductor. When the feedback voltage is equal to the electric reference voltage, the device operates in a stable state and the output voltage is accurately maintained at the programmed level of 3.2V. Meanwhile, current flows through the regulating device and passes through the external control circuit board. Then, the current transfer is made to the load – or the device which is being powered. </p><h2> Conclusion </h2><p>The LE30CZ is an adjustable linear voltage regulator and is specifically designed for cost-conscious applications. Its integrated low-power consumption, low-drop technology, and user-programmable voltage output 2.7V to 30V make it a perfect fit for multiple applications and it helps save power and increase efficiency as a linear regulator. Its working principle is based on a 3-terminal voltage regulator IC which helps to accurately maintain the programmed output voltage and current transfers to the load is ultimately powered.</p>

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