MAX6425UK33+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX6425UK33+ belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 3.3V
• Maximum Output Current: 150mA
• Low Quiescent Current: 5µA (typical)
• Low Dropout Voltage: 120mV at 100mA
• Package Type: SOT23-5
• Operating Temperature Range: -40°C to +85°C

Packaging/Quantity

The MAX6425UK33+ is available in a SOT23-5 package and is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 3.3V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 120mV (typical) at 100mA
• Quiescent Current: 5µA (typical)
• Line Regulation: 0.05%/V (typical)
• Load Regulation: 0.1%/mA (typical)
• Ripple Rejection: 70dB (typical) at 1kHz
• Shutdown Current: 0.1µA (typical)

Pin Configuration

The MAX6425UK33+ has a total of five pins arranged as follows:

```

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| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| NC NC |-- Pin 3: No Connection --| NC NC |-- Pin 4: No Connection --| VIN GND |-- Pin 5: Input Voltage |___________| ```

Functional Features

• Low quiescent current for power-saving applications.
• Wide input voltage range allows flexibility in various circuit designs.
• Low dropout voltage ensures efficient regulation even with low input-output differentials.
• Enable pin provides control over the regulator's operation.

Advantages and Disadvantages

Advantages

• Low quiescent current enables power-efficient operation.
• Wide input voltage range offers versatility in circuit design.
• Small package size (SOT23-5) allows for space-constrained applications.
• Good ripple rejection enhances stability of the regulated output.

Disadvantages

• Limited maximum output current (150mA) may not be suitable for high-power applications.
• Dropout voltage of 120mV at 100mA might affect efficiency in certain scenarios.

Working Principles

The MAX6425UK33+ is a linear voltage regulator that operates by maintaining a constant output voltage despite variations in the input voltage. It achieves this through the use of an internal pass transistor that adjusts its resistance to regulate the output voltage. The enable pin allows the user to control the regulator's operation, enabling or disabling the output as needed.

Detailed Application Field Plans

The MAX6425UK33+ finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable technology - Embedded systems

Alternative Models

Here are some alternative models that offer similar functionality to the MAX6425UK33+: - LM1117-3.3 - LT1761-3.3 - MCP1702-3302E/TO

These alternatives can be considered based on specific requirements and compatibility with the target application.

In conclusion, the MAX6425UK33+ is a voltage regulator with a wide input voltage range, low quiescent current, and small package size. It offers efficient voltage regulation for various electronic applications, although its limited output current and dropout voltage should be considered in specific use cases.