Linear Technology/Analog Devices
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
LT3045EMSE-1#PBF
Zobrazit detail DataSheets

LT3045EMSE-1#PBF

Product Overview

Category

The LT3045EMSE-1#PBF belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • Low dropout voltage
  • High power supply rejection ratio (PSRR)
  • Low output noise
  • Fast transient response

Package

The LT3045EMSE-1#PBF comes in a surface-mount package.

Essence

The essence of LT3045EMSE-1#PBF lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

The product is typically packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications

  • Input Voltage Range: 1.8V to 20V
  • Output Voltage Range: 0.6V to 15V
  • Maximum Output Current: 500mA
  • Dropout Voltage: 340mV at 500mA
  • Line Regulation: ±0.005% typical
  • Load Regulation: ±0.02% typical
  • Output Noise: 2µVRMS (10Hz to 100kHz)
  • PSRR: 70dB at 1kHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3045EMSE-1#PBF has the following 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 small input-output differentials.
  • High PSRR minimizes the impact of fluctuations in the input voltage.
  • Low output noise enables clean and reliable power supply for sensitive components.
  • Fast transient response allows for quick adjustment to changes in load conditions.

Advantages and Disadvantages

Advantages

  • Excellent line and load regulation
  • Low output noise for noise-sensitive applications
  • Wide input voltage range
  • High PSRR for improved stability

Disadvantages

  • Limited maximum output current (500mA)
  • Relatively high dropout voltage compared to some alternatives

Working Principles

The LT3045EMSE-1#PBF operates based on a linear regulator architecture. It uses feedback control to maintain a stable output voltage, compensating for changes in the input voltage and load conditions.

Detailed Application Field Plans

The LT3045EMSE-1#PBF finds applications in various fields, including:

  1. Audio equipment: Provides clean power supply for audio amplifiers and DACs.
  2. Industrial automation: Ensures stable voltage for control systems and sensors.
  3. Communications: Used in wireless transceivers and base stations for reliable power regulation.
  4. Automotive electronics: Suitable for powering infotainment systems and onboard devices.

Detailed and Complete Alternative Models

  1. LT3080: Offers higher output current capability (up to 1.1A) with similar features.
  2. LM317: A widely used general-purpose linear regulator with adjustable output voltage.
  3. TPS7A47: Provides ultra-low noise performance and high PSRR for demanding applications.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

Word count: 455 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT3045EMSE-1#PBF v technických řešeních

  1. What is the input voltage range for LT3045EMSE-1#PBF?
    - The input voltage range for LT3045EMSE-1#PBF is 1.8V to 20V.

  2. What is the output voltage of LT3045EMSE-1#PBF?
    - The output voltage of LT3045EMSE-1#PBF is fixed at 1.2V.

  3. Can LT3045EMSE-1#PBF handle high current loads?
    - Yes, LT3045EMSE-1#PBF can handle high current loads up to 500mA.

  4. Is LT3045EMSE-1#PBF suitable for low noise applications?
    - Yes, LT3045EMSE-1#PBF is designed for low noise applications, making it ideal for sensitive electronic circuits.

  5. What is the dropout voltage of LT3045EMSE-1#PBF?
    - The dropout voltage of LT3045EMSE-1#PBF is typically 340mV at full load.

  6. Does LT3045EMSE-1#PBF require external capacitors for stability?
    - Yes, LT3045EMSE-1#PBF requires external capacitors for stability and proper operation.

  7. Can LT3045EMSE-1#PBF tolerate reverse input voltage?
    - No, LT3045EMSE-1#PBF cannot tolerate reverse input voltage. Proper polarity must be observed.

  8. Is LT3045EMSE-1#PBF suitable for battery-powered applications?
    - Yes, LT3045EMSE-1#PBF is suitable for battery-powered applications due to its low quiescent current and high efficiency.

  9. What is the operating temperature range of LT3045EMSE-1#PBF?
    - The operating temperature range of LT3045EMSE-1#PBF is -40°C to 125°C.

  10. Can LT3045EMSE-1#PBF be used in automotive electronics?
    - Yes, LT3045EMSE-1#PBF is suitable for automotive electronics applications, provided it meets the necessary automotive standards and requirements.