Maxim Integrated
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MAX894LESA
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MAX894LESA

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: Small Outline Integrated Circuit (SOIC)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 1.2V to 3.6V
  • Maximum Output Current: 500mA
  • Dropout Voltage: 200mV at 100mA
  • Quiescent Current: 60µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX894LESA has a total of 8 pins:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin
  6. SW: Switching pin
  7. PGND: Power ground pin
  8. SS/TR: Soft-start/Tracking pin

Functional Features

  • High efficiency power management solution
  • Low power consumption for extended battery life
  • Wide input voltage range for versatile applications
  • Adjustable output voltage for flexibility
  • Overcurrent and thermal protection for enhanced safety
  • Soft-start and tracking capabilities for smooth operation

Advantages and Disadvantages

Advantages

  • High efficiency results in reduced power wastage
  • Low power consumption extends battery life
  • Wide input voltage range allows for various power sources
  • Adjustable output voltage accommodates different requirements
  • Built-in protection features enhance safety

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Dropout voltage may affect performance in low input voltage scenarios

Working Principles

The MAX894LESA is a voltage regulator IC that efficiently converts an input voltage to a regulated output voltage. It utilizes a switching mechanism to achieve high efficiency and low power consumption. The feedback pin (FB) monitors the output voltage and adjusts the internal circuitry to maintain a stable output. The enable pin (EN) controls the operation of the regulator, allowing for power-saving modes when not required.

Detailed Application Field Plans

The MAX894LESA is commonly used in various applications, including but not limited to:

  1. Portable electronic devices
  2. Battery-powered systems
  3. IoT devices
  4. Wearable technology
  5. Industrial automation
  6. Automotive electronics

Detailed and Complete Alternative Models

  1. MAX895LESA: Similar specifications with enhanced maximum output current of 1A.
  2. MAX893LESA: Lower quiescent current of 40µA but reduced maximum output current of 300mA.
  3. MAX896LESA: Higher input voltage range of 2.7V to 6.5V but slightly higher dropout voltage.

These alternative models provide options based on specific requirements and trade-offs between different parameters.

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แสดงรายการคำถามและคำตอบทั่วไป 10 ข้อที่เกี่ยวข้องกับการใช้ MAX894LESA ในโซลูชันทางเทคนิค

Sure! Here are 10 common questions and answers related to the application of MAX894LESA in technical solutions:

  1. Q: What is MAX894LESA? A: MAX894LESA is a specific model of integrated circuit (IC) developed by Maxim Integrated. It is a low-dropout linear regulator designed for various technical applications.

  2. Q: What are the key features of MAX894LESA? A: Some key features of MAX894LESA include low dropout voltage, high output current capability, thermal shutdown protection, and adjustable output voltage.

  3. Q: What is the typical input voltage range for MAX894LESA? A: The typical input voltage range for MAX894LESA is between 2.5V and 6.5V.

  4. Q: What is the maximum output current that MAX894LESA can handle? A: MAX894LESA can handle a maximum output current of up to 1A.

  5. Q: Can MAX894LESA be used in battery-powered applications? A: Yes, MAX894LESA can be used in battery-powered applications due to its low dropout voltage and low quiescent current.

  6. Q: How does thermal shutdown protection work in MAX894LESA? A: Thermal shutdown protection in MAX894LESA prevents the IC from overheating by shutting down the regulator when the temperature exceeds a certain threshold.

  7. Q: Is the output voltage of MAX894LESA fixed or adjustable? A: The output voltage of MAX894LESA is adjustable. It can be set using external resistors to achieve the desired voltage level.

  8. Q: Can MAX894LESA be used in automotive applications? A: Yes, MAX894LESA is suitable for automotive applications as it can operate over a wide temperature range and has built-in protection features.

  9. Q: What are some typical applications of MAX894LESA? A: Some typical applications of MAX894LESA include powering microcontrollers, sensors, data acquisition systems, portable devices, and automotive electronics.

  10. Q: Are there any evaluation boards or reference designs available for MAX894LESA? A: Yes, Maxim Integrated provides evaluation boards and reference designs for MAX894LESA to help users quickly prototype and implement their technical solutions.

Please note that the answers provided here are general and may vary depending on specific requirements and use cases. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.