MAX845EUA
Product Overview
- Category: Integrated Circuit
- Use: Voltage Converter
- Characteristics: High efficiency, compact size, wide input voltage range
- Package: 8-pin µMAX
- Essence: Step-up/step-down DC-DC converter
- Packaging/Quantity: Tube/100 units
Specifications
- Input Voltage Range: 2.5V to 18V
- Output Voltage Range: ±1.24V to ±16.5V
- Switching Frequency: 75kHz to 500kHz
- Operating Temperature Range: -40°C to +85°C
- Efficiency: Up to 90%
Detailed Pin Configuration
- GND
- Vin
- SW
- FB
- Vout
- NC
- NC
- Vcc
Functional Features
- Internal synchronous rectifier
- Soft-start capability
- Overcurrent and overtemperature protection
- Adjustable output voltage
Advantages and Disadvantages
Advantages
- High efficiency
- Wide input voltage range
- Compact size
Disadvantages
- Limited maximum output current
- Requires external components for certain functions
Working Principles
The MAX845EUA is a step-up/step-down DC-DC converter that utilizes an internal synchronous rectifier to achieve high efficiency power conversion. It operates by controlling the duty cycle of the internal switch to regulate the output voltage based on the feedback received from the FB pin.
Detailed Application Field Plans
The MAX845EUA is suitable for various applications including: - Battery-powered devices - Portable instrumentation - Industrial control systems - Distributed power systems
Detailed and Complete Alternative Models
- MAX846A
- MAX847B
- MAX849C
In conclusion, the MAX845EUA is a versatile voltage converter with a wide input voltage range and high efficiency, making it suitable for a variety of applications in different industries.
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10个与MAX845EUA在技术解决方案中的应用相关的常见问题及解答
What is the MAX845EUA?
- The MAX845EUA is a high-speed, isolated RS-485/RS-422 transceiver with integrated transformer driver.
What is the maximum data rate supported by the MAX845EUA?
- The MAX845EUA supports data rates up to 20Mbps, making it suitable for high-speed communication applications.
Can the MAX845EUA be used in industrial environments?
- Yes, the MAX845EUA is designed to operate in harsh industrial environments and is suitable for use in industrial automation and control systems.
Does the MAX845EUA provide isolation between the input and output signals?
- Yes, the MAX845EUA provides 2500V RMS isolation, ensuring reliable communication in electrically noisy environments.
What is the operating voltage range of the MAX845EUA?
- The MAX845EUA operates from a single +5V supply, making it compatible with a wide range of systems.
Is the MAX845EUA compatible with both RS-485 and RS-422 standards?
- Yes, the MAX845EUA is compatible with both RS-485 and RS-422 standards, providing flexibility in system design.
Can the MAX845EUA be used in half-duplex and full-duplex communication modes?
- Yes, the MAX845EUA supports both half-duplex and full-duplex communication modes, allowing for versatile application in different systems.
What are the typical applications of the MAX845EUA?
- Typical applications of the MAX845EUA include industrial automation, motor control, instrumentation, and communication systems.
Does the MAX845EUA have built-in protection features?
- Yes, the MAX845EUA includes short-circuit and thermal shutdown protection, enhancing system reliability.
Is the MAX845EUA available in a small package for space-constrained applications?
- Yes, the MAX845EUA is available in a space-saving 8-pin µMAX package, making it suitable for compact designs.