LE87501NQCT

Product Overview

Category: Integrated Circuit (IC)

Use: The LE87501NQCT is a high-performance voltage regulator IC designed for use in various electronic devices. It provides stable and regulated power supply to ensure proper functioning of the connected components.

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: The LE87501NQCT is available in a compact and industry-standard package, making it suitable for integration into different circuit designs.

Essence: The essence of LE87501NQCT lies in its ability to regulate voltage efficiently and reliably, ensuring optimal performance of electronic devices.

Packaging/Quantity: The LE87501NQCT is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 1.2V - 3.6V
• Maximum Output Current: 1.5A
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LE87501NQCT has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• High Efficiency: The LE87501NQCT utilizes advanced circuitry to achieve high efficiency, minimizing power loss and maximizing battery life.
• Low Dropout Voltage: With a low dropout voltage, this IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Overcurrent Protection: The LE87501NQCT incorporates overcurrent protection, safeguarding the connected components from excessive current flow.
• Thermal Shutdown Protection: In case of excessive heat, the IC automatically shuts down to prevent damage, ensuring safe operation.

Advantages and Disadvantages

Advantages: - High efficiency leads to longer battery life - Wide input voltage range allows for versatile applications - Overcurrent and thermal shutdown protection enhance reliability and safety

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Dropout voltage may affect performance in low-input voltage scenarios

Working Principles

The LE87501NQCT operates based on a feedback control mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. This regulation ensures that the connected electronic devices receive a consistent power supply, regardless of variations in the input voltage.

Detailed Application Field Plans

The LE87501NQCT finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and functionality.
2. LT1763: Offers higher maximum output current and lower dropout voltage compared to LE87501NQCT.
3. TPS7A4700: Provides adjustable output voltage and higher efficiency.

These alternative models can be considered based on specific requirements and design constraints.

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