Meixin Integrated
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MAX773CSD+T
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MAX773CSD+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-efficiency, low-power, step-up DC-DC converter
  • Package: 14-SOIC (Small Outline Integrated Circuit)
  • Essence: Provides a regulated output voltage from a single-cell Li-ion/polymer battery or other power sources
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 11V
  • Output Voltage Range: 1.8V to 5.5V
  • Switching Frequency: 1.2MHz
  • Maximum Output Current: 600mA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX773CSD+T has the following pin configuration:

  1. GND (Ground)
  2. LX (Switch Node)
  3. FB (Feedback Input)
  4. EN (Enable)
  5. VOUT (Output Voltage)
  6. VIN (Input Voltage)
  7. PGND (Power Ground)
  8. SS/TR (Soft-Start/Tracking)

Functional Features

  • High efficiency up to 96%
  • Low quiescent current of 17µA
  • Internal synchronous rectifier for improved efficiency
  • Soft-start feature for controlled startup
  • Overcurrent and thermal shutdown protection
  • Adjustable output voltage through external resistors

Advantages and Disadvantages

Advantages: - High efficiency leads to longer battery life - Wide input voltage range allows for versatile applications - Small package size enables space-saving designs - Built-in protection features enhance reliability

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Operating temperature range may restrict usage in extreme environments

Working Principles

The MAX773CSD+T is a step-up DC-DC converter that utilizes a high-frequency switching regulator to efficiently boost the input voltage to a regulated output voltage. It incorporates an internal synchronous rectifier, which reduces power losses and improves overall efficiency. The device also features a soft-start function that gradually ramps up the output voltage during startup, preventing excessive current draw.

Detailed Application Field Plans

The MAX773CSD+T is commonly used in various battery-powered applications, such as portable devices, wireless communication systems, and handheld instruments. It is particularly suitable for single-cell Li-ion/polymer battery-powered devices where a stable and regulated output voltage is required.

Detailed and Complete Alternative Models

  1. MAX1771ESA+: Similar specifications and pin configuration, but with a different package (8-SOIC).
  2. MAX1675EUA+: Lower maximum output current (500mA) but wider input voltage range (2.6V to 16V).
  3. MAX15004AAUE+: Higher maximum output current (1A) and wider input voltage range (2.7V to 28V), but with a different pin configuration.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX773CSD+T en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MAX773CSD+T in technical solutions:

  1. Q: What is the MAX773CSD+T? A: The MAX773CSD+T is a high-efficiency, step-up DC-DC converter designed for battery-powered applications.

  2. Q: What is the input voltage range of the MAX773CSD+T? A: The input voltage range of the MAX773CSD+T is typically between 2.7V and 11V.

  3. Q: What is the output voltage range of the MAX773CSD+T? A: The output voltage range of the MAX773CSD+T can be adjusted from 2.5V to 12V using external resistors.

  4. Q: What is the maximum output current of the MAX773CSD+T? A: The maximum output current of the MAX773CSD+T is typically 500mA.

  5. Q: Can the MAX773CSD+T operate with a single lithium-ion battery? A: Yes, the MAX773CSD+T can operate with a single lithium-ion battery, as it has an input voltage range that supports it.

  6. Q: Does the MAX773CSD+T have built-in overvoltage protection? A: Yes, the MAX773CSD+T features built-in overvoltage protection to safeguard against excessive output voltage.

  7. Q: Is the MAX773CSD+T suitable for low-power applications? A: Yes, the MAX773CSD+T is suitable for low-power applications due to its high-efficiency design.

  8. Q: Can the MAX773CSD+T be used in automotive applications? A: Yes, the MAX773CSD+T can be used in automotive applications as it meets the necessary requirements for such environments.

  9. Q: Does the MAX773CSD+T have thermal shutdown protection? A: Yes, the MAX773CSD+T includes thermal shutdown protection to prevent overheating and damage.

  10. Q: What is the package type of the MAX773CSD+T? A: The MAX773CSD+T comes in a small 14-pin TDFN package, which is suitable for space-constrained designs.

Please note that these answers are general and may vary depending on the specific application and use case. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.