MAX6471TA18BD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout (LDO) regulator, fixed output voltage, low quiescent current
• Package: 8-pin TDFN (Thin Dual Flat No-Lead) package
• Essence: Provides a stable and regulated output voltage for electronic devices
• Packaging/Quantity: Tape and reel packaging, quantity varies based on customer requirements

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 1.8V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 25µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6471TA18BD3+T has the following pin configuration:

1. GND (Ground)
2. IN (Input Voltage)
3. EN (Enable)
4. BYP (Bypass Capacitor)
5. FB (Feedback)
6. NC (No Connection)
7. OUT (Output Voltage)
8. VDD (Supply Voltage)

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Fixed output voltage eliminates the need for external resistors.
• Low quiescent current minimizes power consumption in standby mode.
• Enable pin allows for easy on/off control of the regulator.
• Bypass capacitor pin improves stability and noise performance.

Advantages and Disadvantages

Advantages: - Small package size saves board space. - Wide input voltage range allows for flexibility in different applications. - Low quiescent current extends battery life in portable devices.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Fixed output voltage restricts flexibility in voltage selection.

Working Principles

The MAX6471TA18BD3+T is a low-dropout voltage regulator that maintains a stable output voltage despite variations in input voltage and load conditions. It operates by comparing the feedback voltage (FB) with a reference voltage to regulate the output voltage. The enable pin (EN) controls the on/off state of the regulator, while the bypass capacitor (BYP) improves stability by filtering out noise.

Detailed Application Field Plans

The MAX6471TA18BD3+T is commonly used in various electronic devices that require a stable and regulated power supply. Some application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Wireless Communication Systems: Bluetooth headsets, Wi-Fi modules.
3. Consumer Electronics: Digital cameras, portable gaming consoles.
4. Industrial Equipment: Sensors, control systems, measurement devices.
5. Automotive Electronics: Infotainment systems, navigation units.

Detailed and Complete Alternative Models

• MAX6472TA18BD3+T: Same specifications, different package (SOT23-5).
• MAX6473TA18BD3+T: Same specifications, higher maximum output current (300mA).
• MAX6474TA18BD3+T: Same specifications, adjustable output voltage.
• MAX6475TA18BD3+T: Same specifications, lower quiescent current (10µA).

Note: This is not an exhaustive list, and there may be other alternative models available from the manufacturer or other suppliers.

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