TLE4470G - English Editing Encyclopedia Entry

Product Overview

Category

The TLE4470G belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for voltage regulation and power management applications.

Characteristics

• The TLE4470G is a highly efficient voltage regulator with low dropout voltage.
• It offers excellent load and line regulation, making it suitable for various electronic devices.
• This IC operates within a wide input voltage range, providing flexibility in different power supply scenarios.

Package

The TLE4470G is available in a compact and industry-standard package, such as a small outline transistor (SOT) or a dual in-line package (DIP).

Essence

The essence of the TLE4470G lies in its ability to regulate voltage efficiently, ensuring stable power supply to connected devices.

Packaging/Quantity

The TLE4470G is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: 1.2V to 16V
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 1A
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TLE4470G features a standard pin configuration with the following pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. EN: Enable pin (optional)
5. BYP: Bypass capacitor pin (optional)

Functional Features

• High Efficiency: The TLE4470G exhibits high efficiency, minimizing power dissipation and maximizing battery life in portable devices.
• Low Dropout Voltage: With a low dropout voltage of 200mV, this IC can maintain stable output voltage even when the input voltage is close to the desired output voltage.
• Excellent Load and Line Regulation: The TLE4470G ensures consistent output voltage despite variations in load current or input voltage, providing reliable power supply for sensitive electronic components.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range allows for versatile applications.
• Excellent load and line regulation ensure stable output voltage.
• Compact package size facilitates integration into various electronic devices.

Disadvantages

• Limited maximum output current (1A) may not be suitable for high-power applications.
• Additional external components may be required for certain configurations.

Working Principles

The TLE4470G operates as a linear voltage regulator. It utilizes a pass transistor to regulate the output voltage based on the difference between the input and desired output voltages. By adjusting the pass transistor's resistance, the IC maintains a constant output voltage, compensating for changes in load current and input voltage.

Detailed Application Field Plans

The TLE4470G finds application in various fields, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - Automotive electronics (e.g., infotainment systems, lighting modules) - Industrial control systems - Power management in battery-operated devices

Detailed and Complete Alternative Models

1. TLE4471G: Similar to TLE4470G with higher maximum output current (2A).
2. TLE4472G: Enhanced version with additional features like overcurrent protection and thermal shutdown.
3. TLE4473G: Low quiescent current variant for ultra-low power applications.

These alternative models offer similar functionality to the TLE4470G but with specific enhancements or modifications to suit different requirements.

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