Linear Technology/Analog Devices
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
LT3062IDCB-3.3

LT3062IDCB-3.3

Product Overview

Category

LT3062IDCB-3.3 belongs to the category of voltage regulators.

Use

This product is used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

  • Input Voltage Range: 1.8V to 45V
  • Output Voltage: 3.3V
  • Maximum Output Current: 200mA
  • Low Dropout Voltage: 300mV at 200mA Load
  • Adjustable Output Voltage with External Resistors
  • Low Noise: 40µVRMS (10Hz to 100kHz)
  • Low Quiescent Current: 30µA
  • Shutdown Mode: IQ < 1µA
  • Thermal Limiting
  • Reverse-Battery Protection
  • Short-Circuit Protection
  • Adjustable Soft-Start

Package

The LT3062IDCB-3.3 comes in a DFN (Dual Flat No-Lead) package.

Essence

The essence of LT3062IDCB-3.3 is its ability to provide a stable and regulated output voltage of 3.3V, even when the input voltage varies.

Packaging/Quantity

The LT3062IDCB-3.3 is typically packaged in reels or tubes and is available in quantities suitable for both small-scale and large-scale production.

Specifications

  • Input Voltage Range: 1.8V to 45V
  • Output Voltage: 3.3V
  • Maximum Output Current: 200mA
  • Dropout Voltage: 300mV at 200mA Load
  • Quiescent Current: 30µA
  • Noise: 40µVRMS (10Hz to 100kHz)
  • Shutdown Mode Current: < 1µA
  • Operating Temperature Range: -40°C to 125°C
  • Package Type: DFN

Detailed Pin Configuration

The LT3062IDCB-3.3 has the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. SHDN: Shutdown Control
  4. SET: Output Voltage Set Point
  5. VOUT: Regulated Output Voltage

Functional Features

1. Adjustable Output Voltage

The LT3062IDCB-3.3 allows for adjusting the output voltage using external resistors, providing flexibility in various applications.

2. Low Dropout Voltage

With a dropout voltage of only 300mV at a load current of 200mA, this voltage regulator minimizes power dissipation and improves efficiency.

3. Low Noise

The LT3062IDCB-3.3 exhibits low noise levels of 40µVRMS from 10Hz to 100kHz, making it suitable for noise-sensitive applications.

4. Thermal and Short-Circuit Protection

This voltage regulator incorporates thermal limiting and short-circuit protection mechanisms to ensure safe operation and protect the circuitry.

5. Adjustable Soft-Start

The adjustable soft-start feature prevents excessive inrush current during startup, enhancing system reliability.

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows compatibility with various power sources.
  • Low dropout voltage minimizes power dissipation.
  • Low noise output ensures signal integrity in sensitive applications.
  • Thermal and short-circuit protection enhance safety and reliability.
  • Adjustable soft-start prevents excessive inrush current.

Disadvantages

  • Maximum output current limited to 200mA, which may not be sufficient for high-power applications.
  • Requires external resistors for output voltage adjustment, adding complexity to the design.

Working Principles

The LT3062IDCB-3.3 is a linear voltage regulator that uses a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output voltage at the desired level. The dropout voltage is minimized by utilizing a low-dropout (LDO) architecture, ensuring efficient operation even when the input voltage is close to the output voltage.

Detailed Application Field Plans

The LT3062IDCB-3.3 finds applications in various fields, including:

  1. Battery-Powered Devices: Provides stable voltage for portable electronic devices, extending battery life.
  2. Industrial Control Systems: Regulates voltage levels in control circuits, ensuring reliable operation.
  3. Automotive Electronics: Stabilizes voltage for automotive sensors and modules, improving performance and reliability.
  4. Communication Systems: Maintains constant voltage for communication equipment, preventing signal degradation.
  5. Medical Devices: Provides regulated power supply for medical instruments, ensuring accurate measurements and safe operation.

Detailed and Complete Alternative Models

  1. LT3062IDCB-5: Output voltage of 5V, suitable for applications requiring higher voltage levels.
  2. LT3062IDCB-ADJ: Adjustable output voltage, allowing customization for specific requirements. 3

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LT3062IDCB-3.3 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LT3062IDCB-3.3 in technical solutions:

  1. Q: What is the LT3062IDCB-3.3? A: The LT3062IDCB-3.3 is a low dropout (LDO) linear regulator IC that provides a fixed output voltage of 3.3V.

  2. Q: What is the input voltage range for the LT3062IDCB-3.3? A: The input voltage range for the LT3062IDCB-3.3 is typically between 2.7V and 45V.

  3. Q: What is the maximum output current of the LT3062IDCB-3.3? A: The LT3062IDCB-3.3 can provide a maximum output current of 200mA.

  4. Q: Can the LT3062IDCB-3.3 be used in battery-powered applications? A: Yes, the LT3062IDCB-3.3 can be used in battery-powered applications as it has a low quiescent current and operates with a wide input voltage range.

  5. Q: Is the LT3062IDCB-3.3 suitable for noise-sensitive applications? A: Yes, the LT3062IDCB-3.3 has excellent line and load transient response, making it suitable for noise-sensitive applications.

  6. Q: Does the LT3062IDCB-3.3 require any external components for operation? A: Yes, the LT3062IDCB-3.3 requires a few external components such as input and output capacitors for stability and filtering.

  7. Q: Can the LT3062IDCB-3.3 handle short-circuit conditions? A: Yes, the LT3062IDCB-3.3 has built-in current limit and thermal shutdown protection, which allows it to handle short-circuit conditions.

  8. Q: What is the typical dropout voltage of the LT3062IDCB-3.3? A: The typical dropout voltage of the LT3062IDCB-3.3 is very low, typically around 300mV at full load.

  9. Q: Can the LT3062IDCB-3.3 be used in automotive applications? A: Yes, the LT3062IDCB-3.3 is designed to operate in automotive environments and meets the necessary specifications for such applications.

  10. Q: Are there any specific precautions to consider when using the LT3062IDCB-3.3? A: It is important to follow the manufacturer's datasheet and application notes for proper usage and layout considerations to ensure optimal performance of the LT3062IDCB-3.3.