MAX6418UK33+T

Basic Information Overview

• Category: Voltage Regulator
• Use: Power management
• Characteristics: Low-dropout, low quiescent current
• Package: SOT23-5
• Essence: Regulates input voltage to a fixed output voltage
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.3V
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA (typical)
• Load Regulation: ±0.1% (typical)
• Line Regulation: ±0.05% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground connection
2. IN: Input voltage
3. BYP: Bypass capacitor connection
4. OUT: Output voltage
5. EN: Enable pin for turning the regulator on/off

Functional Features

• Low dropout voltage allows efficient regulation even with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle mode.
• Excellent load and line regulation provide stable output voltage under varying conditions.
• Enable pin allows for easy control of the regulator's operation.

Advantages

• Compact SOT23-5 package enables space-saving designs.
• Wide input voltage range accommodates various power sources.
• Low dropout voltage minimizes power dissipation and extends battery life.
• Low quiescent current makes it suitable for battery-powered applications.
• Excellent load and line regulation ensure stable performance.

Disadvantages

• Limited output voltage options restrict its use in certain applications requiring different voltages.
• SOT23-5 package may be challenging to solder for some users.

Working Principles

The MAX6418UK33+T is a low-dropout voltage regulator that regulates the input voltage to a fixed 3.3V output voltage. It achieves this by utilizing a pass transistor and feedback mechanism to maintain a constant output voltage despite variations in the input voltage or load conditions. The enable pin allows the user to turn the regulator on or off as needed, conserving power when not in use.

Detailed Application Field Plans

• Battery-powered devices: The low quiescent current and wide input voltage range make it suitable for portable electronics.
• IoT devices: The compact package and efficient regulation make it ideal for small form factor applications.
• Automotive electronics: The wide operating temperature range ensures reliable performance in harsh environments.
• Industrial control systems: The stable output voltage and excellent regulation characteristics provide consistent power supply for sensitive components.

Detailed and Complete Alternative Models

• MAX6419UK33+T: Similar specifications but with an adjustable output voltage.
• MAX6420UK33+T: Higher output current capability (up to 500mA) with similar input/output voltage range.
• MAX6432UK33+T: Ultra-low quiescent current variant for ultra-low power applications.

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