STMicroelectronics
이미지는 예시일 수 있습니다.
제품 세부사항은 사양을 확인하세요.
LD1085D2M33R
자세히보기 데이터시트

LD1085D2M33R

Product Overview

Category

LD1085D2M33R belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • LD1085D2M33R is a low-dropout linear voltage regulator.
  • It has a fixed output voltage of 3.3V.
  • The device operates with an input voltage range of 4.5V to 20V.
  • LD1085D2M33R can provide a maximum output current of 3A.
  • It offers excellent line and load regulation.

Package

The LD1085D2M33R comes in a TO-263 package, also known as D2PAK.

Essence

The essence of LD1085D2M33R lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

The product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 4.5V - 20V
  • Output Voltage: 3.3V
  • Maximum Output Current: 3A
  • Dropout Voltage: 1.5V (typical)
  • Line Regulation: 0.05% (typical)
  • Load Regulation: 0.1% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD1085D2M33R has three pins:

  1. Vin (Pin 1): Input voltage pin.
  2. Vout (Pin 2): Output voltage pin.
  3. GND (Pin 3): Ground pin.

Functional Features

  • Low dropout voltage ensures efficient regulation even with small voltage differentials.
  • Excellent line and load regulation characteristics provide stable output voltage.
  • Overcurrent and thermal protection features safeguard the device and connected circuitry.
  • Fast transient response enables quick stabilization of output voltage.

Advantages

  • High output current capability (up to 3A) makes it suitable for a wide range of applications.
  • Low dropout voltage minimizes power dissipation and improves efficiency.
  • Compact TO-263 package allows for easy integration into various electronic designs.
  • Wide operating temperature range ensures reliable performance in diverse environments.

Disadvantages

  • Fixed output voltage limits flexibility in certain applications that require adjustable voltage regulation.
  • Higher cost compared to some other voltage regulator options with similar specifications.

Working Principles

LD1085D2M33R operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The device compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

LD1085D2M33R finds application in various electronic systems, including but not limited to: - Power supplies - Battery chargers - Industrial control systems - Automotive electronics - Audio amplifiers - LED lighting

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LD1085D2M33R include: - LM1117-3.3 - LT1085CT-3.3 - TPS7A3301-3.3

These alternatives can be considered based on specific requirements and design considerations.

Word count: 515 words

기술 솔루션에 LD1085D2M33R 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of LD1085D2M33R in technical solutions:

  1. Q: What is LD1085D2M33R? A: LD1085D2M33R is a voltage regulator IC that provides a fixed output voltage of 3.3V.

  2. Q: What is the maximum input voltage for LD1085D2M33R? A: The maximum input voltage for LD1085D2M33R is 30V.

  3. Q: What is the maximum output current of LD1085D2M33R? A: The maximum output current of LD1085D2M33R is 3A.

  4. Q: Can LD1085D2M33R be used to regulate voltages other than 3.3V? A: No, LD1085D2M33R is specifically designed to provide a fixed output voltage of 3.3V.

  5. Q: Is LD1085D2M33R suitable for low-power applications? A: Yes, LD1085D2M33R can be used in low-power applications as it has a low dropout voltage.

  6. Q: Does LD1085D2M33R require any external components for operation? A: Yes, LD1085D2M33R requires input and output capacitors for stability and filtering.

  7. Q: Can LD1085D2M33R handle high temperatures? A: Yes, LD1085D2M33R has a wide operating temperature range of -40°C to +125°C.

  8. Q: Can LD1085D2M33R be used in battery-powered applications? A: Yes, LD1085D2M33R can be used in battery-powered applications as it has low quiescent current.

  9. Q: Is LD1085D2M33R suitable for automotive applications? A: Yes, LD1085D2M33R is designed to meet the requirements of automotive applications.

  10. Q: Can LD1085D2M33R be used in parallel for higher output current? A: No, LD1085D2M33R is not designed to be used in parallel for higher output current.