LE80CD-TR

Current - Output:	100mA
Base Part Number:	LE80
Supplier Device Package:	8-SO
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	72dB ~ 57dB (120Hz ~ 10kHz)
Current - Supply (Max):	3.6mA
Current - Quiescent (Iq):	1.6mA
Series:	--
Voltage Dropout (Max):	0.5V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	8V
Voltage - Input (Max):	18V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LE80CD-TR Application Field and Working Principle

The LE80CD-TR is an ultra-low standby current linear regulator manufactured by STMicroelectronics — one of the world’s leading suppliers of integrated circuits. This linear regulator falls into the category of Power Management ICs (PMICs)  —  specifically, Voltage Regulators  —  and is designed for standby applications such as those found in consumer electronics.The LE80CD-TR features a wide input voltage range (1.2V to 8V) and a low quiescent current of just 150nA, making it an ideal choice for applications wherein the load current is low (under 200mA). The regulator is also compatible with a wide range of output voltage options: 1.2V, 2.3V, 2.4V, 2.5V, 2.8V, 3.3V, 3.5V, 4V, 4.5V, 5V, 5.5V, 6V and 8V. Additionally, the regulator has an over-temperature protection circuit that reduces the output voltage current if the temperature exceeds the permissible limit.When in operation, the LE80CD-TR employs a three-terminal adjustable positive voltage regulator, wherein the incoming power is regulated by the use of a series of resistors and a pass transistor. The resistors form a voltage divider circuit that reduces the input voltage to the voltage required by the load and then passes it to the pass transistor. The output current of the regulator is then determined by the base current and the gain of the pass transistor.As for applications, the LE80CD-TR is primarily used in a wide range of consumer electronic devices, from TV boxes, set-top boxes and routers, to digital cameras and portable media players. Additionally, it has also been employed in basic automotive applications such as ETC (Electronic Toll Collection) systems.In summary, the LE80CD-TR is an ultra-low standby current linear regulator from STMicroelectronics. It is designed for consumer electronics and automotive applications and features a wide input voltage range and over-temperature protection. It works by using a voltage divider circuit and a pass transistor to adjust the incoming voltage to the voltage required by the load.

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