MAX6865UK33D4L+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Noise, High Accuracy
• Package: SOT-23-5
• Essence: This IC is a low dropout voltage regulator designed to provide a stable output voltage with high accuracy and low noise. It is commonly used in various electronic devices that require a regulated power supply.
• Packaging/Quantity: The MAX6865UK33D4L+T is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.3V
• Output Current: Up to 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: ±0.02%/V
• Load Regulation: ±0.1%/mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6865UK33D4L+T has a total of five pins arranged as follows:

```

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| | --| VOUT GND |-- Pin 1: Ground (GND) --| VIN NC |-- Pin 2: No Connection (NC) --| EN FB |-- Pin 3: Feedback (FB) --| BYP NC |-- Pin 4: No Connection (NC) --| VIN NC |-- Pin 5: Input Voltage (VIN) |___________| ```

Functional Features

• Low Dropout: The MAX6865UK33D4L+T has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• Low Noise: This IC is designed to minimize output voltage noise, ensuring a stable and clean power supply for sensitive electronic components.
• High Accuracy: The MAX6865UK33D4L+T provides a highly accurate output voltage, with excellent line and load regulation characteristics.
• Enable Pin (EN): The enable pin allows for easy on/off control of the regulator, helping to conserve power in battery-powered applications.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation even with low input voltages. - Low noise output for applications requiring a clean power supply. - High accuracy and excellent line/load regulation characteristics. - Enable pin for easy control and power conservation.

Disadvantages: - Limited output current capability (up to 150mA). - Not suitable for high-power applications.

Working Principles

The MAX6865UK33D4L+T is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance and 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 MAX6865UK33D4L+T can be used in various applications that require a regulated power supply, such as:

1. Battery-powered devices: Provides a stable voltage for microcontrollers, sensors, and other low-power components.
2. Portable audio devices: Ensures a clean power supply for audio amplifiers, DACs, and other audio circuitry.
3. IoT devices: Regulates the voltage for wireless modules, sensors, and microcontrollers in Internet of Things applications.
4. Automotive electronics: Provides a regulated power source for automotive sensors, control modules, and infotainment systems.

Detailed and Complete Alternative Models

1. MAX6865UK33D3L+T: Similar to MAX6865UK33D4L+T, but with a different package (SOT-23-3) and lower quiescent current (20µA).
2. MAX6865UK33D2L+T: Another variant with a different package (SOT-23-3) and lower dropout voltage (80mV at 100mA).
3. MAX6865UK33D1L+T: Similar to MAX6865UK33D4L+T, but with a different package (SOT-23-3) and higher output current capability (300mA).

These alternative models offer similar functionality but may have different package options or slightly different specifications to suit specific application requirements.

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