MAX6841FUKD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, small package size
• Package: SOT23-5
• Essence: Linear regulator with adjustable output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.25V to 5.5V
• Dropout Voltage: 120mV at 100mA load current
• Maximum Output Current: 150mA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 40µA typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6841FUKD3+T has a total of five pins:

1. GND: Ground pin
2. FB: Feedback pin for adjusting the output voltage
3. EN: Enable pin for turning the regulator on/off
4. VIN: Input voltage pin
5. VOUT: Output voltage pin

Functional Features

• Adjustable Output Voltage: The MAX6841FUKD3+T allows users to set the desired output voltage within the specified range.
• Low Dropout Voltage: With a dropout voltage as low as 120mV, this voltage regulator can operate efficiently even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The quiescent current of only 40µA ensures minimal power consumption during standby or low-load conditions.
• Thermal Shutdown Protection: The IC includes thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - High efficiency - Small package size - Adjustable output voltage

Disadvantages: - Limited maximum output current (150mA) - Narrow input voltage range (2.5V to 6.5V)

Working Principles

The MAX6841FUKD3+T is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage (FB pin) with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The enable pin (EN) allows the user to turn the regulator on or off as needed.

Detailed Application Field Plans

The MAX6841FUKD3+T is commonly used in various applications, including but not limited to:

1. Battery-Powered Devices: It can be used to regulate the voltage for portable electronic devices such as smartphones, tablets, and wearable devices.
2. Industrial Control Systems: The IC is suitable for providing stable voltage regulation in industrial control systems, ensuring reliable operation of sensors, actuators, and other components.
3. Automotive Electronics: It can be utilized in automotive electronics to regulate voltage for various subsystems, such as infotainment systems, lighting modules, and engine control units.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable Linear Voltage Regulator, similar specifications and pin configuration.
2. LT1763-ADJ: Adjustable Low Dropout Regulator, higher maximum output current and wider input voltage range.
3. MCP1700-ADJ: Adjustable CMOS LDO Regulator, lower quiescent current and smaller package size.

(Note: These alternative models are provided as examples and may have different manufacturers and part numbers.)

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