STMicroelectronics
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
LD3985G30R
Zobrazit detail DataSheets

LD3985G30R

Product Overview

Category

The LD3985G30R belongs to the category of low-dropout (LDO) voltage regulators.

Use

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

Characteristics

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

Package

The LD3985G30R is available in a small outline package (SOP) with exposed pad for enhanced thermal performance.

Essence

The essence of LD3985G30R lies in its ability to provide stable and regulated output voltage for electronic applications.

Packaging/Quantity

It is typically available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 6V
  • Output Voltage: 3.0V
  • Maximum Output Current: 150mA
  • Dropout Voltage: 300mV at 150mA
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LD3985G30R has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. EN (Enable) 4. VOUT (Output Voltage)

Functional Features

  • Low dropout voltage for extended battery life
  • High accuracy over line and load variations
  • Low quiescent current for improved efficiency
  • Thermal shutdown protection for enhanced reliability

Advantages and Disadvantages

Advantages

  • Stable and regulated output voltage
  • Suitable for battery-powered applications
  • Small form factor
  • Enhanced thermal performance

Disadvantages

  • Limited maximum output current
  • Restricted input voltage range

Working Principles

The LD3985G30R operates by comparing the reference voltage with the divided down output voltage to maintain a stable output voltage, even with varying input voltages and loads.

Detailed Application Field Plans

The LD3985G30R is well-suited for various applications including: - Battery-powered devices - Portable electronics - IoT devices - Wearable technology - Sensor modules

Detailed and Complete Alternative Models

Some alternative models to LD3985G30R include: - LM2937 - MIC5205 - MAX8887

In conclusion, the LD3985G30R is a versatile low-dropout voltage regulator with a compact design and high accuracy, making it suitable for a wide range of electronic applications.

Word Count: 342

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LD3985G30R v technických řešeních

  1. What is LD3985G30R?

    • LD3985G30R is a low dropout voltage regulator designed to provide a stable output voltage with low quiescent current.

  2. What is the input voltage range for LD3985G30R?

    • The input voltage range for LD3985G30R is typically 2.5V to 16V.

  3. What is the output voltage of LD3985G30R?

    • The output voltage of LD3985G30R is fixed at 3.0V.

  4. What is the maximum output current of LD3985G30R?

    • The maximum output current of LD3985G30R is typically 150mA.

  5. What are the typical applications of LD3985G30R?

    • LD3985G30R is commonly used in battery-powered devices, portable equipment, and other applications requiring a stable 3.0V power supply.

  6. What is the dropout voltage of LD3985G30R?

    • The dropout voltage of LD3985G30R is typically 300mV at 150mA load current.

  7. Does LD3985G30R require external capacitors for stability?

    • Yes, LD3985G30R requires input and output capacitors for stability.

  8. Is LD3985G30R available in different package types?

    • Yes, LD3985G30R is available in various package types including SOT-23 and DFN.

  9. What is the operating temperature range of LD3985G30R?

    • The operating temperature range of LD3985G30R is typically -40°C to 125°C.

  10. Is LD3985G30R suitable for automotive applications?

    • Yes, LD3985G30R is suitable for automotive applications due to its wide input voltage range and robust design.