LE25CD

Current - Output:	100mA
Base Part Number:	LE25
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:	82dB ~ 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):	2.5V
Voltage - Input (Max):	18V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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LE25CD Application Field and Working PrincipleThe LE25CD is a high voltage linear regulator designed for electronic devices that require precise power supply control over a wide range of input and output voltages. This device is ideal for providing a reliable and stable output voltage for power systems that have high power requirements, such as LED lighting, medical equipment and other industrial electronics. The LE25CD contains on-chip current sensing and temperature stabilization features, allowing it to respond quickly to changes in line voltage or load conditions. It is available in standard 2-pin, 3-pin and 4-pin packages, allowing for various mounting and wiring configurations.The LE25CD is a linear voltage regulator that uses two transistors to regulate the output voltage. It is the most cost-effective solution for applications requiring tight voltage regulation with low current draw and low power dissipation. It can be used for an input voltage range from 4 to 24V DC, and can output up to 25V. The ripple rejection is typically 65 dB at 1 GHz.The LE25CD is comprised of an input section, an error amplifier, a reference generator and an output section. The input section can take in both AC and DC power. The error amplifier compares the output voltage to a reference voltage. If the voltage deviates from the reference voltage, the error amplifier generates a corrective signal to the output stage, which adjusts the output voltage to its proper level. The reference generator maintains the reference voltage constant.The circuit works by using a pair of transistors to adjust the output voltage. When the output voltage is higher than the reference voltage, the output transistor turns off and the current passing through it is diverted to the base of the input transistor, causing it to turn on and reduce the voltage, bringing the output voltage back to its proper level. When the output voltage is lower than the reference voltage, the output transistor turns on and diverts the current from the input transistor, allowing the output voltage to rise to the desired level. The LE25CD is a highly efficient circuit, allowing for a high level of precision and steady output voltage even with significant changes in input voltage or load current. It is also quite cost-effective, making it the ideal choice for a number of different applications.The LE25CD is widely used in LED lighting, medical electronics, telecommunications, automotive electronics and many other applications. It is ideal for providing precise power supply control over a wide range of input and output voltages. It also offers excellent temperature stability and line transient rejections, making it a reliable and economical solution for many different applications.

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