MAX5925AEUB+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, low-power, voltage regulator
• Package: µMAX® (MicroMAX) 10-pin package
• Essence: Voltage regulator with thermal shutdown and current limit protection
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.25V to 26V
• Maximum Output Current: 500mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C
• Shutdown Current: 0.1µA

Pin Configuration

The MAX5925AEUB+ has a total of 10 pins arranged as follows:

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| | --| VOUT | --| GND | --| FB | --| EN | --| VIN | --| PGND | --| SS/TR | --| LX | --| COMP | |___________| ```

Functional Features

• Thermal Shutdown: Protects the device from overheating by shutting down when the temperature exceeds a certain threshold.
• Current Limit Protection: Prevents excessive current flow, ensuring safe operation of the circuit.
• Enable (EN) Pin: Allows the user to enable or disable the voltage regulator as needed.
• Power Good (PGOOD) Pin: Provides an indication of the output voltage status.
• Soft-Start/Tracking (SS/TR) Pin: Controls the soft-start time and provides tracking capability for multiple regulators.

Advantages and Disadvantages

Advantages: - High efficiency, reducing power consumption. - Wide input voltage range allows for versatile applications. - Thermal shutdown and current limit protection enhance safety. - Enable pin provides flexibility in controlling the regulator.

Disadvantages: - Maximum output current limited to 500mA, may not be suitable for high-power applications. - Limited operating temperature range (-40°C to +85°C) may restrict usage in extreme environments.

Working Principles

The MAX5925AEUB+ is a voltage regulator that takes an input voltage within the range of 4.5V to 28V and provides a regulated output voltage between 1.25V and 26V. It utilizes a feedback mechanism to maintain a stable output voltage despite variations in the input voltage or load conditions. The device incorporates thermal shutdown and current limit protection features to ensure safe operation. The enable pin allows the user to control the regulator's on/off state, while the power good pin provides an indication of the output voltage status.

Detailed Application Field Plans

The MAX5925AEUB+ finds application in various fields, including but not limited to: - Battery-powered devices - Industrial automation - Telecommunications equipment - Automotive electronics - Portable consumer electronics

Detailed and Complete Alternative Models

• MAX5926AEUB+: Similar to MAX5925AEUB+, but with a higher maximum output current of 1A.
• MAX5927AEUB+: Enhanced version with additional features such as adjustable soft-start time and programmable current limit.

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