Texas Instruments
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SN65220DBVR
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SN65220DBVR

Product Overview

Category

The SN65220DBVR belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable output voltage despite fluctuations in input voltage or load conditions.

Characteristics

  • Low dropout voltage
  • Low quiescent current
  • Thermal shutdown protection
  • Small package size

Package

The SN65220DBVR comes in a small SOT-23 package.

Essence

The essence of this product lies in its ability to provide stable and reliable voltage regulation in a compact form factor.

Packaging/Quantity

It is typically available in reels containing 3000 units.

Specifications

  • Input Voltage Range: 2.7V to 6.5V
  • Output Voltage: Adjustable from 1.2V to 5.5V
  • Maximum Output Current: 150mA
  • Dropout Voltage: 160mV at 100mA
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SN65220DBVR has three pins: 1. Vin (Input Voltage) 2. Vout (Output Voltage) 3. GND (Ground)

Functional Features

  • Voltage Regulation: The device maintains a constant output voltage even with varying input voltages and loads.
  • Thermal Shutdown Protection: It includes built-in thermal shutdown protection to prevent damage due to excessive heat.
  • Low Dropout Voltage: The low dropout voltage ensures efficient operation even with small voltage differentials between input and output.

Advantages and Disadvantages

Advantages

  • Small package size allows for space-efficient designs.
  • Low quiescent current minimizes power consumption.
  • Thermal shutdown protection enhances reliability.

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications.
  • Fixed input voltage range may restrict flexibility in certain designs.

Working Principles

The SN65220DBVR operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a stable output voltage. It utilizes feedback control to achieve the desired regulation.

Detailed Application Field Plans

The SN65220DBVR is well-suited for various portable and battery-powered applications, such as: - Mobile devices - Portable audio players - Handheld instruments - Battery-powered sensors

Detailed and Complete Alternative Models

Some alternative models to consider include: - LM2937: A low dropout voltage regulator with higher maximum output current. - MCP1700: Offers a wider input voltage range and adjustable output voltage.

In conclusion, the SN65220DBVR is a compact and efficient voltage regulator suitable for low-power electronic applications requiring stable voltage regulation.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN65220DBVR v technických řešeních

Sure, here are 10 common questions and answers related to the application of SN65220DBVR:

  1. What is the operating voltage range of SN65220DBVR?

    • The operating voltage range of SN65220DBVR is from 2.7V to 5.5V.

  2. What is the typical supply current of SN65220DBVR?

    • The typical supply current of SN65220DBVR is 50µA.

  3. What is the maximum data rate supported by SN65220DBVR?

    • SN65220DBVR supports a maximum data rate of 100kbps.

  4. Can SN65220DBVR be used in automotive applications?

    • Yes, SN65220DBVR is suitable for automotive applications due to its wide operating voltage range and robust design.

  5. What is the recommended operating temperature range for SN65220DBVR?

    • The recommended operating temperature range for SN65220DBVR is from -40°C to 125°C.

  6. Does SN65220DBVR have built-in ESD protection?

    • Yes, SN65220DBVR has built-in ESD protection up to 8kV.

  7. What type of package does SN65220DBVR come in?

    • SN65220DBVR is available in a small SOT-23 package.

  8. Can SN65220DBVR be used in battery-powered applications?

    • Yes, SN65220DBVR's low supply current makes it suitable for battery-powered applications.

  9. What are the typical applications of SN65220DBVR?

    • Typical applications of SN65220DBVR include I2C bus and SMBus systems, where it acts as a level translator and buffer.

  10. Is SN65220DBVR RoHS compliant?

    • Yes, SN65220DBVR is RoHS compliant, making it suitable for use in environmentally sensitive applications.

I hope these questions and answers are helpful! Let me know if you need further assistance.