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LD2985AM33R
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LD2985AM33R

Product Overview

Category

The LD2985AM33R belongs to the category of voltage regulators.

Use

It is primarily used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

  • Low dropout voltage
  • Low quiescent current
  • Wide input voltage range
  • High output voltage accuracy
  • Thermal shutdown protection

Package

The LD2985AM33R comes in a small surface-mount package, typically SOT-23 or similar.

Essence

The essence of LD2985AM33R lies in its ability to provide a stable and regulated output voltage despite fluctuations in the input voltage.

Packaging/Quantity

The LD2985AM33R is commonly available in reels or tubes, with quantities varying depending on the supplier.

Specifications

  • Input Voltage Range: 2.5V - 16V
  • Output Voltage: 3.3V
  • Dropout Voltage: 300mV @ 100mA
  • Quiescent Current: 50µA
  • Maximum Output Current: 150mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD2985AM33R has three pins:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)

Functional Features

  • Low dropout voltage ensures efficient regulation even with low input voltages.
  • Low quiescent current minimizes power consumption when the regulator is idle.
  • Wide input voltage range allows for flexibility in various applications.
  • High output voltage accuracy ensures precise voltage regulation.
  • Thermal shutdown protection prevents damage due to excessive heat.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Compact size
  • Low power consumption
  • Wide operating temperature range

Disadvantages

  • Limited maximum output current
  • Requires external capacitors for stability

Working Principles

The LD2985AM33R operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This ensures that the output voltage remains constant despite changes in the input voltage.

Detailed Application Field Plans

The LD2985AM33R finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LD2985AM33R are: - LM1117-3.3 - MCP1700-3302E/TO - TS2937CP-3.3

These models offer similar functionality and specifications, providing options for different design requirements.

In conclusion, the LD2985AM33R is a voltage regulator with excellent characteristics such as low dropout voltage, wide input voltage range, and thermal shutdown protection. It is widely used in various electronic applications, offering reliable voltage regulation and efficient power management.

技術ソリューションにおける LD2985AM33R 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。

Sure! Here are 10 common questions and answers related to the application of LD2985AM33R in technical solutions:

  1. Q: What is LD2985AM33R? A: LD2985AM33R is a low-dropout voltage regulator IC that provides a fixed output voltage of 3.3V.

  2. Q: What is the input voltage range for LD2985AM33R? A: The input voltage range for LD2985AM33R is typically between 2.5V and 16V.

  3. Q: What is the maximum output current LD2985AM33R can handle? A: LD2985AM33R can handle a maximum output current of 150mA.

  4. Q: Can LD2985AM33R be used in battery-powered applications? A: Yes, LD2985AM33R can be used in battery-powered applications as it has a low dropout voltage and low quiescent current.

  5. Q: Is LD2985AM33R suitable for use in automotive applications? A: Yes, LD2985AM33R is suitable for use in automotive applications as it can withstand high temperatures and has built-in protection features.

  6. Q: Does LD2985AM33R require any external components for operation? A: Yes, LD2985AM33R requires a minimum of two external capacitors for stability and proper operation.

  7. Q: Can LD2985AM33R operate in both linear and switching modes? A: No, LD2985AM33R operates only in linear mode.

  8. Q: What is the typical dropout voltage of LD2985AM33R? A: The typical dropout voltage of LD2985AM33R is around 300mV at 150mA load current.

  9. Q: Can LD2985AM33R handle short-circuit conditions? A: Yes, LD2985AM33R has built-in current limiting and thermal shutdown protection to handle short-circuit conditions.

  10. Q: Is LD2985AM33R available in different package options? A: Yes, LD2985AM33R is available in various package options, including SOT-23, DFN, and TO-92.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.