MAX743CPE+ Encyclopedia Entry

Product Overview

Category

The MAX743CPE+ belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - switching regulators classification.

Use

This product is primarily used as a step-up/step-down DC-DC converter, providing efficient power management solutions in various electronic applications.

Characteristics

• Efficiency: The MAX743CPE+ offers high efficiency, making it suitable for battery-powered devices.
• Versatility: It can operate over a wide input voltage range, enhancing its applicability in diverse scenarios.
• Protection Features: This IC incorporates overcurrent and thermal shutdown protection, ensuring reliable operation.

Package

The MAX743CPE+ is available in an industry-standard 8-pin PDIP (plastic dual in-line package), facilitating easy integration into circuit designs.

Essence

As a voltage regulator, the essence of the MAX743CPE+ lies in its ability to regulate and stabilize input voltages to deliver consistent output power.

Packaging/Quantity

It is typically supplied in reels containing 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 10V
• Output Voltage Range: Adjustable from 1.25V to 16.5V
• Output Current: Up to 1A
• Switching Frequency: 100kHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX743CPE+ features the following pin configuration: 1. GND (Ground) 2. SHDN (Shutdown) 3. FB (Feedback) 4. VOUT (Output) 5. SW (Switch) 6. LX (Inductor Connection) 7. NC (No Connection) 8. VIN (Input)

Functional Features

• Adjustable Output: The device allows for precise adjustment of the output voltage, catering to specific application requirements.
• Low Dropout Voltage: With minimal dropout voltage, it ensures efficient power conversion even with low input voltages.
• Soft-Start Function: Incorporates a soft-start feature to minimize inrush current during startup, enhancing system reliability.

Advantages and Disadvantages

Advantages

• High Efficiency
• Wide Input Voltage Range
• Overcurrent and Thermal Protection
• Compact PDIP Package

Disadvantages

• Limited Output Current (Up to 1A)

Working Principles

The MAX743CPE+ operates on the principle of pulse-width modulation (PWM) to regulate the output voltage. When the input voltage fluctuates, the internal control circuitry adjusts the duty cycle of the PWM signal to maintain a stable output.

Detailed Application Field Plans

The MAX743CPE+ finds extensive use in various applications, including: - Portable Electronic Devices - Battery-Powered Systems - Industrial Automation - Automotive Electronics

Detailed and Complete Alternative Models

Some alternative models to the MAX743CPE+ include: - LM2576 - LT1073 - MC34063

In conclusion, the MAX743CPE+ serves as a versatile and efficient voltage regulator, catering to a wide range of electronic applications with its adjustable output, high efficiency, and protection features.

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