Texas Instruments
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SM72480E/NOPB
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SM72480E/NOPB

Product Overview

Category: Voltage Regulator
Use: Power management
Characteristics: High efficiency, low dropout voltage
Package: SOIC-8
Essence: Regulates input voltage to a stable output voltage
Packaging/Quantity: Tape & Reel (2500 units)

Specifications

  • Input Voltage Range: 2.5V to 7V
  • Output Voltage Range: 1.2V to 5.5V
  • Maximum Output Current: 300mA
  • Dropout Voltage: 200mV at 100mA
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. GND
  2. VOUT
  3. NC
  4. VIN
  5. NC
  6. NC
  7. EN
  8. BYP

Functional Features

  • Low dropout voltage
  • Thermal shutdown protection
  • Short-circuit current limit
  • Low quiescent current

Advantages and Disadvantages

Advantages: - Wide input voltage range - Low dropout voltage - Small package size

Disadvantages: - Limited maximum output current - Higher quiescent current compared to some alternatives

Working Principles

The SM72480E/NOPB is a voltage regulator that maintains a stable output voltage even when the input voltage fluctuates. It achieves this by using a feedback loop to adjust its internal circuitry, ensuring a consistent output regardless of changes in the input.

Detailed Application Field Plans

The SM72480E/NOPB is well-suited for various battery-powered applications, such as portable devices, IoT sensors, and handheld instruments. Its low dropout voltage and wide input voltage range make it ideal for scenarios where the input power source may vary.

Detailed and Complete Alternative Models

  1. LM1117: Similar voltage regulator with higher maximum output current
  2. MCP1700: Low quiescent current alternative for ultra-low-power applications
  3. TS2940: Comparable regulator with slightly lower dropout voltage

In conclusion, the SM72480E/NOPB is a versatile voltage regulator with a wide input voltage range and low dropout voltage, making it suitable for a range of power management applications, especially in battery-powered devices.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של SM72480E/NOPB בפתרונות טכניים

  1. What is the SM72480E/NOPB?

    • The SM72480E/NOPB is a precision, low-power, low-noise, programmable voltage reference with an integrated temperature sensor.

  2. What are the key features of the SM72480E/NOPB?

    • The key features include a wide input voltage range, low temperature coefficient, and high accuracy over temperature.

  3. How can the SM72480E/NOPB be used in technical solutions?

    • It can be used as a stable voltage reference for precision analog-to-digital converters, digital-to-analog converters, and other precision measurement and control systems.

  4. What is the typical operating voltage range for the SM72480E/NOPB?

    • The typical operating voltage range is 2.7V to 5.5V.

  5. Does the SM72480E/NOPB have built-in thermal shutdown protection?

    • Yes, it has built-in thermal shutdown protection to prevent damage from excessive temperatures.

  6. What is the output voltage range of the SM72480E/NOPB?

    • The output voltage range is programmable from 1.24V to 6V.

  7. Can the SM72480E/NOPB be used in battery-powered applications?

    • Yes, it is suitable for battery-powered applications due to its low power consumption.

  8. Is the SM72480E/NOPB available in a small package for space-constrained designs?

    • Yes, it is available in a small MSOP-8 package, making it suitable for space-constrained designs.

  9. What is the typical temperature coefficient of the SM72480E/NOPB?

    • The typical temperature coefficient is 10ppm/°C.

  10. Are there any application notes or reference designs available for the SM72480E/NOPB?

    • Yes, application notes and reference designs are available to assist in the implementation of the SM72480E/NOPB in various technical solutions.