MAX1693EUB+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX1693EUB+ belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is primarily used for voltage regulation and power supply control in various electronic devices and systems.

Characteristics

• The MAX1693EUB+ offers high efficiency and low power consumption, making it suitable for battery-powered applications.
• It provides a wide input voltage range, allowing flexibility in different power supply configurations.
• This IC incorporates advanced protection features such as overvoltage, undervoltage, and overcurrent protection, ensuring safe operation of the connected devices.
• It supports both step-up (boost) and step-down (buck) voltage conversion, enabling versatile power management solutions.

Package

The MAX1693EUB+ is available in a small-sized 10-pin µMAX package, which ensures space-saving integration into compact electronic designs.

Essence

The essence of the MAX1693EUB+ lies in its ability to efficiently regulate and control power supply voltages, enhancing the overall performance and reliability of electronic systems.

Packaging/Quantity

This IC is typically supplied in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.8V to 28V
• Maximum Output Current: 600mA
• Operating Temperature Range: -40°C to +85°C
• Switching Frequency: 500kHz (fixed)

Detailed Pin Configuration

1. GND: Ground reference for the IC.
2. EN: Enable pin for controlling the IC's operation.
3. FB: Feedback pin for regulating the output voltage.
4. LX: Switching node for connecting the external inductor.
5. SW: Switching node for connecting the external power switch.
6. VCC: Power supply input for the IC.
7. PGND: Ground reference for the power stage.
8. SS/TR: Soft-start/Tracking pin for controlling the output voltage ramp-up time.
9. UVLO: Undervoltage lockout pin for protecting against low input voltage conditions.
10. OVLO: Overvoltage lockout pin for protecting against high input voltage conditions.

Functional Features

• High-efficiency voltage regulation
• Wide input voltage range
• Overvoltage, undervoltage, and overcurrent protection
• Step-up (boost) and step-down (buck) voltage conversion
• Soft-start and tracking capabilities

Advantages and Disadvantages

Advantages

• High efficiency and low power consumption
• Versatile voltage conversion capabilities
• Advanced protection features ensure safe operation
• Compact package size allows for space-saving integration

Disadvantages

• Limited maximum output current (600mA)
• Fixed switching frequency may not be suitable for all applications

Working Principles

The MAX1693EUB+ operates based on a pulse-width modulation (PWM) control scheme. It utilizes an external inductor and power switch to regulate the output voltage. The feedback mechanism continuously adjusts the duty cycle of the PWM signal to maintain the desired output voltage level. The IC also incorporates various protection circuits to safeguard against abnormal operating conditions.

Detailed Application Field Plans

The MAX1693EUB+ finds application in a wide range of electronic devices and systems, including but not limited to: - Portable consumer electronics (e.g., smartphones, tablets, portable media players) - Automotive electronics (e.g., infotainment systems, navigation systems, lighting controls) - Industrial automation equipment - Medical devices - Battery-powered IoT devices

Detailed and Complete Alternative Models

1. MAX1693ESA+: Similar to MAX1693EUB+, but available in an 8-pin SOIC package.
2. MAX1693EUA+: Similar to MAX1693EUB+, but available in a 8-pin µMAX package.
3. MAX1693EPA+: Similar to MAX1693EUB+, but available in a 8-pin DIP package.

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable package for specific design requirements.

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