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LDL1117S25R
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LDL1117S25R

Product Overview

  • Category: Voltage Regulator
  • Use: Regulating voltage in electronic circuits
  • Characteristics: Low dropout, 2.5V fixed output voltage
  • Package: TO-252, TO-263, SOT-223
  • Essence: Provides stable and reliable voltage regulation
  • Packaging/Quantity: Available in reels or tubes, quantity varies by package type

Specifications

  • Input Voltage Range: 4.75V to 15V
  • Output Voltage: 2.5V
  • Dropout Voltage: 1V at 800mA
  • Output Current: 800mA
  • Quiescent Current: 5mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  • Pin 1 (Input): Connects to the input voltage source
  • Pin 2 (Ground): Connected to the ground reference
  • Pin 3 (Output): Provides the regulated output voltage

Functional Features

  • Low dropout voltage
  • Thermal shutdown and current limit protection
  • Stable output voltage over a wide range of operating conditions
  • Fast transient response

Advantages and Disadvantages

Advantages

  • Low dropout voltage enables efficient use in low-power applications
  • Wide operating temperature range allows for versatile usage
  • Thermal shutdown and current limit protection enhance reliability

Disadvantages

  • Limited maximum output current compared to some alternatives
  • Higher quiescent current compared to certain ultra-low power regulators

Working Principles

The LDL1117S25R operates by comparing the output voltage to a fixed reference and adjusting the pass device to maintain a constant output voltage. When the input voltage is within the specified range, the regulator provides a stable 2.5V output with minimal dropout voltage.

Detailed Application Field Plans

The LDL1117S25R is suitable for various applications requiring a stable 2.5V power supply, such as: - Battery-powered devices - Embedded systems - Consumer electronics - Industrial control systems

Detailed and Complete Alternative Models

  • LM1117: Offers adjustable output voltage
  • LT1117: Provides lower dropout voltage and higher output current
  • LDO25V: Suitable for applications requiring higher output voltage

This completes the entry for LDL1117S25R, covering its product details, specifications, features, and application considerations.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LDL1117S25R v technických řešeních

  1. What is the input voltage range for LDL1117S25R?

    • The input voltage range for LDL1117S25R is 4.75V to 15V.

  2. What is the output voltage of LDL1117S25R?

    • The output voltage of LDL1117S25R is fixed at 2.5V.

  3. What is the maximum output current of LDL1117S25R?

    • The maximum output current of LDL1117S25R is 800mA.

  4. What are the typical applications of LDL1117S25R?

    • LDL1117S25R is commonly used in battery-powered devices, instrumentation, and consumer electronics.

  5. Does LDL1117S25R require an external capacitor for stability?

    • Yes, LDL1117S25R requires an output capacitor for stability.

  6. What is the dropout voltage of LDL1117S25R?

    • The dropout voltage of LDL1117S25R is typically 1V at 800mA.

  7. Is LDL1117S25R suitable for low-power applications?

    • Yes, LDL1117S25R is suitable for low-power applications due to its low quiescent current.

  8. Can LDL1117S25R handle transient voltage spikes?

    • Yes, LDL1117S25R has built-in protection against transient voltage spikes.

  9. What is the thermal resistance of LDL1117S25R?

    • The thermal resistance of LDL1117S25R is typically 50°C/W.

  10. Is LDL1117S25R available in different package types?

    • Yes, LDL1117S25R is available in various package types including TO-252, TO-263, and DPAK.

These questions and answers cover common technical aspects and applications of the LDL1117S25R voltage regulator.