MAX6470TA25BD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout (LDO) linear regulator
• Package: 8-pin TDFN (Thin Dual Flat No-Lead) package
• Essence: Provides a stable output voltage for electronic devices
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 2.5V
• Maximum Output Current: 250mA
• Dropout Voltage: 120mV at 100mA
• Line Regulation: ±0.02%/V
• Load Regulation: ±0.1%
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6470TA25BD3+T has the following pin configuration:

1. GND (Ground): Connected to the ground reference of the circuit.
2. IN (Input): Connects to the input voltage source.
3. EN (Enable): Controls the enable/disable function of the regulator.
4. BYP (Bypass): Connects to an external capacitor for stability.
5. FB (Feedback): Provides feedback to regulate the output voltage.
6. OUT (Output): Outputs the regulated voltage.
7. NC (No Connection): Not connected internally.
8. VDD (Voltage Supply): Connects to the supply voltage.

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation for stable output voltage.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents overheating.
• Short-circuit and reverse polarity protection enhance reliability.

Advantages and Disadvantages

Advantages: - Low dropout voltage improves efficiency. - Excellent line and load regulation for stable output. - Thermal shutdown protection ensures device safety.

Disadvantages: - Limited maximum output current (250mA). - Narrow input voltage range (2.5V to 6.5V).

Working Principles

The MAX6470TA25BD3+T is a low-dropout linear regulator that regulates the output voltage by comparing it with an internal reference voltage. The feedback loop adjusts the pass transistor to maintain a constant output voltage, compensating for changes in input voltage and load conditions. The enable pin allows the user to control the regulator's operation, while the bypass pin provides stability by connecting an external capacitor.

Detailed Application Field Plans

The MAX6470TA25BD3+T is widely used in various electronic devices that require a stable output voltage. Some application fields include:

1. Battery-Powered Devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low dropout voltage and low quiescent current of the MAX6470TA25BD3+T.

2. Industrial Control Systems: The regulator's excellent line and load regulation make it suitable for powering sensors, actuators, and other components in industrial automation systems.

3. Automotive Electronics: The wide operating temperature range (-40°C to +85°C) and thermal shutdown protection make the MAX6470TA25BD3+T ideal for automotive applications, including infotainment systems, lighting controls, and engine management systems.

4. Medical Devices: The regulator's stability and reliability are crucial in medical equipment such as patient monitors, infusion pumps, and diagnostic devices.

Detailed and Complete Alternative Models

1. MAX6471TA25BD3+T: Similar to MAX6470TA25BD3+T but with a different output voltage (2.5V).
2. MAX6472TA25BD3+T: Similar to MAX6470TA25BD3+T but with a different output voltage (2.5V) and higher maximum output current (500mA).
3. MAX6473TA25BD3+T: Similar to MAX6470TA25BD3+T but with a different output voltage (2.5V) and lower quiescent current (20µA).

These alternative models provide flexibility in choosing the appropriate regulator based on specific requirements.

In conclusion, the MAX6470TA25BD3+T is a low-dropout linear regulator that provides a stable output voltage for various electronic devices. Its excellent line and load regulation, low dropout voltage, and thermal shutdown protection make it suitable for a wide range of applications. However, its limited maximum output current and narrow input voltage range should be considered when selecting this regulator.