LE78D110BVC

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent and thermal protection - Adjustable output voltage - Small package size

Package: BGA (Ball Grid Array)

Essence: The LE78D110BVC is a voltage regulator IC designed to provide a stable output voltage from a varying input voltage source.

Packaging/Quantity: The LE78D110BVC is typically sold in reels of 250 units.

Specifications

• Input Voltage Range: 2.5V - 18V
• Output Voltage Range: 0.8V - 5.5V
• Maximum Output Current: 1A
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LE78D110BVC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. VOUT: Output voltage pin
5. FB: Feedback pin
6. NC: No connection pin

Functional Features

• High Efficiency: The LE78D110BVC utilizes advanced circuitry to achieve high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of only 200mV at 500mA, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The IC can accept input voltages ranging from 2.5V to 18V, making it suitable for a wide range of applications.
• Overcurrent and Thermal Protection: The LE78D110BVC incorporates built-in protection mechanisms to prevent damage from overcurrent or excessive heat.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.8V to 5.5V, providing flexibility for different application requirements.
• Small Package Size: The BGA package ensures a compact form factor, making it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile usage - Overcurrent and thermal protection ensure device safety - Adjustable output voltage provides flexibility - Small package size saves board space

Disadvantages: - Dropout voltage may limit performance in low voltage applications - Limited maximum output current of 1A

Working Principles

The LE78D110BVC operates based on a linear voltage regulation principle. It uses an internal reference voltage and feedback mechanism to maintain a stable output voltage regardless of variations in the input voltage. The IC adjusts the pass transistor's resistance to regulate the output voltage, ensuring it remains within the desired range.

Detailed Application Field Plans

The LE78D110BVC is commonly used in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive applications - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LE78D110BVC include: - LM1117: A popular voltage regulator IC with adjustable output voltage and low dropout voltage. - LT1763: A high-performance, low dropout voltage regulator with adjustable output voltage and excellent line/load regulation. - TPS7A47: An ultra-low noise, high PSRR (Power Supply Rejection Ratio) voltage regulator with adjustable output voltage and wide input voltage range.

These alternative models can be considered based on specific application requirements and desired features.

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