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LD39150DT18-R
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LD39150DT18-R

Product Overview

Category

The LD39150DT18-R belongs to the category of low-dropout voltage regulators.

Use

It is used to regulate voltage in various electronic circuits and devices.

Characteristics

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

Package

The LD39150DT18-R is available in a small package, typically SOT-223 or DPAK.

Essence

The essence of LD39150DT18-R lies in its ability to provide stable and regulated voltage output with minimal dropout voltage.

Packaging/Quantity

The LD39150DT18-R is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Input Voltage Range: 4.4V to 16V
  • Output Voltage: 1.8V
  • Maximum Output Current: 1.5A
  • Dropout Voltage: 300mV at 1.5A
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LD39150DT18-R typically has three pins: 1. VIN (Input Voltage) 2. VOUT (Output Voltage) 3. GND (Ground)

Functional Features

  • Low dropout voltage
  • High PSRR (Power Supply Rejection Ratio)
  • Thermal shutdown and current limit protection
  • Fast transient response

Advantages and Disadvantages

Advantages

  • Low dropout voltage enables efficient regulation
  • High accuracy and stability
  • Low quiescent current for power-saving applications

Disadvantages

  • Limited maximum output current compared to some alternatives
  • Higher thermal dissipation in certain operating conditions

Working Principles

The LD39150DT18-R operates by comparing the reference voltage with the feedback voltage to adjust the pass transistor's resistance, thereby regulating the output voltage.

Detailed Application Field Plans

The LD39150DT18-R is suitable for various applications, including: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to LD39150DT18-R include: - LM1117 - LT1763 - TPS7A47

This completes the English editing encyclopedia entry structure format for LD39150DT18-R, providing comprehensive information about the product, its specifications, features, and application fields.

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技術ソリューションにおける LD39150DT18-R の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is LD39150DT18-R?

    • LD39150DT18-R is a high-performance, low-dropout voltage regulator designed for use in various technical solutions.

  2. What is the input voltage range for LD39150DT18-R?

    • The input voltage range for LD39150DT18-R is typically 2.5V to 6.5V.

  3. What is the output voltage of LD39150DT18-R?

    • The output voltage of LD39150DT18-R is fixed at 1.8V.

  4. What is the maximum output current of LD39150DT18-R?

    • LD39150DT18-R can deliver a maximum output current of 1.5A.

  5. What are the typical applications of LD39150DT18-R?

    • LD39150DT18-R is commonly used in battery-powered devices, industrial equipment, and consumer electronics where a stable 1.8V power supply is required.

  6. What are the key features of LD39150DT18-R?

    • Some key features of LD39150DT18-R include low dropout voltage, low quiescent current, thermal shutdown, and short-circuit protection.

  7. What is the thermal resistance of LD39150DT18-R?

    • The thermal resistance of LD39150DT18-R is typically around 40°C/W.

  8. Is LD39150DT18-R suitable for automotive applications?

    • Yes, LD39150DT18-R is suitable for automotive applications due to its robust design and wide operating temperature range.

  9. Does LD39150DT18-R require external components for operation?

    • Yes, LD39150DT18-R requires external capacitors and resistors for stable operation.

  10. What are the recommended operating conditions for LD39150DT18-R?

    • The recommended operating temperature range for LD39150DT18-R is -40°C to 125°C, and it should be operated within the specified input voltage range for optimal performance.