Diodes Incorporated
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AP1117K15L-U
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AP1117K15L-U

Product Overview

Category

The AP1117K15L-U belongs to the category of low dropout (LDO) linear voltage regulators.

Use

It is used to regulate voltage in various electronic devices and circuits, ensuring a stable output voltage despite fluctuations in input voltage.

Characteristics

  • Low dropout voltage
  • High accuracy
  • Low quiescent current
  • Thermal shutdown protection

Package

The AP1117K15L-U is available in a TO-252 package.

Essence

This voltage regulator is essential for maintaining a consistent voltage supply in electronic applications.

Packaging/Quantity

The AP1117K15L-U is typically packaged in reels and is available in varying quantities depending on the supplier.

Specifications

  • Output Voltage: 1.5V
  • Maximum Input Voltage: 15V
  • Dropout Voltage: 1.1V @ 800mA
  • Quiescent Current: 5mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The AP1117K15L-U has three pins: 1. Input (VIN) 2. Ground (GND) 3. Output (VOUT)

Functional Features

  • Low dropout voltage ensures efficient regulation even with small voltage differentials.
  • High accuracy provides precise output voltage control.
  • Low quiescent current minimizes power consumption when the device is in standby mode.
  • Thermal shutdown protection prevents damage due to excessive heat.

Advantages and Disadvantages

Advantages

  • Stable output voltage
  • Wide operating temperature range
  • Compact TO-252 package

Disadvantages

  • Limited maximum input voltage
  • Higher dropout voltage compared to some alternatives

Working Principles

The AP1117K15L-U works by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a constant output voltage.

Detailed Application Field Plans

The AP1117K15L-U is commonly used in: - Battery-powered devices - Portable electronics - Embedded systems - Automotive applications

Detailed and Complete Alternative Models

Some alternative models to the AP1117K15L-U include: - LM1117 - LT1763 - MIC5205

In conclusion, the AP1117K15L-U is a reliable low dropout linear voltage regulator with specific characteristics and functional features that make it suitable for various electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AP1117K15L-U v technických řešeních

  1. What is the input voltage range for AP1117K15L-U?

    • The input voltage range for AP1117K15L-U is typically 4.75V to 15V.

  2. What is the output voltage of AP1117K15L-U?

    • The output voltage of AP1117K15L-U is fixed at 1.5V.

  3. What is the maximum output current of AP1117K15L-U?

    • The maximum output current of AP1117K15L-U is typically 1A.

  4. What are the typical applications for AP1117K15L-U?

    • AP1117K15L-U is commonly used in applications such as power supplies, industrial equipment, and consumer electronics.

  5. Does AP1117K15L-U require an external capacitor for stability?

    • Yes, AP1117K15L-U requires an external capacitor for stability. A 10μF tantalum or 22μF ceramic capacitor is recommended.

  6. What is the dropout voltage of AP1117K15L-U?

    • The dropout voltage of AP1117K15L-U is typically 1.1V at 1A load current.

  7. Is AP1117K15L-U available in a surface-mount package?

    • Yes, AP1117K15L-U is available in a SOT-223 package, which is suitable for surface-mount applications.

  8. What is the operating temperature range of AP1117K15L-U?

    • The operating temperature range of AP1117K15L-U is typically -40°C to 125°C.

  9. Does AP1117K15L-U have built-in thermal shutdown protection?

    • Yes, AP1117K15L-U has built-in thermal shutdown protection to prevent overheating.

  10. Can AP1117K15L-U be used in battery-powered applications?

    • Yes, AP1117K15L-U can be used in battery-powered applications due to its low quiescent current and low dropout voltage.