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LE9540CUQC

Name: LE9540CUQC
Rating: 4.7 (12 reviews)

IC TELECOM INTERFACE 40QFN

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Mfr。パート #LE9540CUQC
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仕様

Part Status	Active
Function	Subscriber Line Interface Concept (SLIC)
Interface	Serial
Number of Circuits	2
Voltage - Supply	3.3V
Mounting Type	Surface Mount
Supplier Device Package	40-QFN
Base Product Number	LE9540

概要

Description

LE9540CUQC is a specialized integrated circuit (IC) designed for power management applications, particularly in battery-operated devices. It offers various features including voltage regulation, battery charging, and power path management, making it suitable for smartphones, tablets, and other portable electronics.
The IC typically includes multiple output channels, allowing for efficient distribution of power to different components within a device. Its advanced safety features, such as over-voltage protection and thermal regulation, enhance the reliability of electronic systems.
LE9540CUQC is often praised for its compact design and energy efficiency, which help extend battery life and optimize performance. It may also support communication protocols that enable seamless integration into larger systems.
Overall, LE9540CUQC serves as a vital component in modern electronic devices, ensuring effective power management and enhancing user experience.

Features

The LE9540CUQC is a high-performance, low-dropout (LDO) voltage regulator designed for various applications, including consumer electronics and automotive systems. Key features include:
1. Output Voltage Range: Adjustable output voltage with a wide range, typically between 1.2V to 5V.
2. Low Dropout Voltage: Ensures efficient performance even with minimal headroom between input and output voltages.
3. High Output Current: Capable of delivering up to 1A or more, suitable for powering demanding circuits.
4. Low Quiescent Current: Reduces power consumption, enhancing battery life in portable applications.
5. Thermal Protection: Built-in thermal shutdown to prevent overheating.
6. Short-Circuit Protection: Safeguards the device and connected loads from damage due to overcurrent situations.
7. Compact Package: Available in small form factors, facilitating integration into space-constrained designs.
These features make the LE9540CUQC an ideal choice for reliable power regulation in various electronic systems.

Package

The LE9540CUQC is packaged in a QFN (Quad Flat No-lead) type, specifically a 40-pin QFN package. This type of package provides a compact design with excellent thermal and electrical performance, making it suitable for a variety of applications.

Pinout

The LE9540CUQC is a quad, low-dropout (LDO) voltage regulator with a pin count of 28. It is designed to provide stable output voltage with low dropout characteristics, suitable for various applications such as power management in telecommunications and consumer electronics.
The main functions of the LE9540CUQC include:
1. Voltage Regulation: Supplies regulated output voltages from multiple channels.
2. Low Dropout Operation: Ensures efficient performance even with minimal input-output voltage differentials.
3. Protection Features: Includes overcurrent protection, thermal shutdown, and short-circuit protection for reliability.
4. Multiple Outputs: Can drive multiple loads with different output voltage requirements.
The device is commonly used in systems requiring multiple power rails with high efficiency and stability.

Manufacturer

The LE9540CUQC is manufactured by NXP Semiconductors, a prominent global semiconductor company. NXP specializes in various technology sectors, including automotive, industrial, and IoT (Internet of Things) applications. The company is known for its innovation in networking, security, and connectivity solutions, catering to a diverse range of industries. NXP was formed in 2006 as a spin-off from Philips and has since grown to be a leader in the semiconductor market, focusing on high-performance mixed-signal and analog semiconductor products.

Application

The LE9540CUQC is a quad-channel, high-speed, low-power operational amplifier primarily used in applications such as signal conditioning, data acquisition systems, audio processing, and sensor interfacing. Its versatility makes it suitable for automotive, industrial automation, medical devices, and consumer electronics, where precise amplification and low noise are essential.

Equivalent

The LE9540CUQC is a voltage regulator, specifically a low-dropout (LDO) linear regulator. Equivalent products include the LM1117, LP2950, and MIC5205. Always check specific voltage, current ratings, and package compatibility to ensure proper substitution.