MAX6842FUKD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: SOT-23-5
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6842FUKD3+T has a total of five pins:

1. GND: Ground pin.
2. EN: Enable pin for turning the regulator on/off.
3. FB: Feedback pin for setting the output voltage.
4. OUT: Output pin for providing regulated voltage.
5. IN: Input pin for supplying power.

Functional Features

• Low dropout voltage allows efficient regulation even with low input voltages.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Built-in thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limiting protects the device from overcurrent situations.
• Low quiescent current minimizes power consumption in standby mode.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables compatibility with various power sources. - Small package size makes it suitable for space-constrained applications. - High efficiency results in minimal power loss during voltage conversion. - Low quiescent current prolongs battery life in portable devices.

Disadvantages: - Limited maximum output current may not be sufficient for high-power applications. - Dropout voltage may cause a slight decrease in output voltage under heavy loads.

Working Principles

The MAX6842FUKD3+T is a voltage regulator IC that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes a feedback mechanism to adjust the internal circuitry and maintain the desired output voltage. The enable pin allows the user to turn the regulator on or off as needed. The device also incorporates various protection features, such as thermal shutdown and short-circuit current limiting, to ensure safe operation.

Detailed Application Field Plans

The MAX6842FUKD3+T is commonly used in a wide range of applications, including:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, benefit from the low quiescent current and high efficiency of this voltage regulator.
2. Industrial equipment: The stability and reliability of the MAX6842FUKD3+T make it suitable for use in industrial control systems, sensors, and instrumentation.
3. Automotive electronics: With its wide input voltage range and robust protection features, this IC can be employed in automotive applications like infotainment systems, lighting controls, and power management modules.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package options.
2. LT1763-5: Offers higher maximum output current and lower dropout voltage.
3. TPS79633: Provides enhanced line and load regulation for critical applications.

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