STMicroelectronics
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LD2982AM35R
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LD2982AM35R

Product Overview

Category

LD2982AM35R belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • Low dropout voltage
  • Low quiescent current
  • High output voltage accuracy
  • Thermal shutdown protection
  • Short-circuit current limit

Package

LD2982AM35R is available in a small surface-mount package.

Essence

The essence of LD2982AM35R lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

LD2982AM35R is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.5V - 16V
  • Output Voltage: 3.5V
  • Dropout Voltage: 300mV @ 100mA
  • Quiescent Current: 50µA
  • Output Current: 100mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. VOUT: Output voltage pin

Functional Features

  • Low dropout voltage ensures efficient regulation even with low input voltages.
  • Low quiescent current minimizes power consumption when the regulator is idle.
  • High output voltage accuracy provides precise voltage regulation.
  • Thermal shutdown protection prevents damage due to excessive temperature.
  • Short-circuit current limit protects the regulator from damage during short-circuit conditions.

Advantages and Disadvantages

Advantages

  • Stable and regulated output voltage
  • Wide input voltage range
  • Low power consumption
  • Compact size
  • Thermal protection

Disadvantages

  • Limited output current capacity
  • Higher dropout voltage compared to some alternatives

Working Principles

LD2982AM35R operates based on the principle of voltage regulation. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage, regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

LD2982AM35R finds applications in various electronic devices and systems, including: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as substitutes for LD2982AM35R are: - LM1117-3.3 - LT1761-3.3 - MCP1700-3.3 - NCP1117-3.3 - TS2950CT-3.3

These models offer similar voltage regulation capabilities and can be used as alternatives depending on specific requirements and availability.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LD2982AM35R in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of LD2982AM35R in technical solutions:

  1. Q: What is LD2982AM35R? A: LD2982AM35R is a low dropout voltage regulator IC that provides a stable output voltage for various electronic applications.

  2. Q: What is the input voltage range of LD2982AM35R? A: The input voltage range of LD2982AM35R is typically between 2.5V and 16V.

  3. Q: What is the output voltage range of LD2982AM35R? A: LD2982AM35R can provide a fixed output voltage of 3.5V.

  4. Q: What is the maximum output current of LD2982AM35R? A: The maximum output current of LD2982AM35R is typically around 50mA.

  5. Q: Is LD2982AM35R suitable for battery-powered applications? A: Yes, LD2982AM35R is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.

  6. Q: Can LD2982AM35R handle input voltage fluctuations? A: Yes, LD2982AM35R has built-in protection features like thermal shutdown and current limit to handle input voltage fluctuations.

  7. Q: Does LD2982AM35R require any external components for operation? A: Yes, LD2982AM35R requires a few external components like input/output capacitors for stability and noise filtering.

  8. Q: Can LD2982AM35R be used in automotive applications? A: Yes, LD2982AM35R is designed to meet automotive requirements and can be used in automotive applications.

  9. Q: What is the operating temperature range of LD2982AM35R? A: The operating temperature range of LD2982AM35R is typically between -40°C and 125°C.

  10. Q: Is LD2982AM35R available in different package options? A: Yes, LD2982AM35R is available in various package options like SOT-23, DFN, and TO-92.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for LD2982AM35R.