Linear Technology/Analog Devices
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
LT3585EDDB-3#TRPBF
Ver Detalle Hojas de datos

LT3585EDDB-3#TRPBF

Product Overview

Category

The LT3585EDDB-3#TRPBF belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power management applications.

Characteristics

  • High efficiency voltage regulator
  • Wide input voltage range
  • Adjustable output voltage
  • Low quiescent current
  • Overcurrent protection
  • Thermal shutdown protection

Package

The LT3585EDDB-3#TRPBF is available in a DFN (Dual Flat No-Lead) package.

Essence

The essence of this product lies in its ability to efficiently regulate voltage in various power management applications.

Packaging/Quantity

The LT3585EDDB-3#TRPBF is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 40V
  • Output Voltage Range: 1.24V to 37V
  • Quiescent Current: 50µA
  • Switching Frequency: 1MHz
  • Maximum Duty Cycle: 90%
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3585EDDB-3#TRPBF has the following pin configuration:

  1. VIN: Input voltage pin
  2. SW: Switching node pin
  3. GND: Ground pin
  4. FB: Feedback pin
  5. EN: Enable pin
  6. VOUT: Output voltage pin

Functional Features

  • High-efficiency step-down converter
  • Adjustable output voltage through feedback pin
  • Enable pin for easy on/off control
  • Overcurrent protection prevents damage to the IC
  • Thermal shutdown protection ensures safe operation

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for versatile applications
  • High efficiency results in reduced power dissipation
  • Adjustable output voltage provides flexibility
  • Overcurrent and thermal shutdown protection enhance reliability

Disadvantages

  • Limited maximum duty cycle may restrict certain applications
  • Requires external components for proper operation

Working Principles

The LT3585EDDB-3#TRPBF operates as a step-down (buck) converter. It takes an input voltage and efficiently steps it down to a lower, adjustable output voltage. This is achieved through the control of the internal switching transistor, which regulates the energy transfer from the input to the output.

Detailed Application Field Plans

The LT3585EDDB-3#TRPBF finds applications in various fields, including but not limited to: 1. Portable electronic devices 2. Battery-powered systems 3. Automotive electronics 4. Industrial equipment 5. Communication systems

Detailed and Complete Alternative Models

  1. LT3575EDDB-3#TRPBF: Similar to LT3585EDDB-3#TRPBF with minor differences in specifications.
  2. LT3580EDDB-3#TRPBF: Step-down converter with higher switching frequency and different pin configuration.
  3. LT3581EDDB-3#TRPBF: Step-down converter with lower quiescent current and similar pin configuration.

These alternative models offer similar functionality and can be considered as substitutes for the LT3585EDDB-3#TRPBF in specific applications.

Word count: 408 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LT3585EDDB-3#TRPBF en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LT3585EDDB-3#TRPBF in technical solutions:

  1. Q: What is the LT3585EDDB-3#TRPBF? A: The LT3585EDDB-3#TRPBF is a high voltage boost converter designed for driving up to 20 LEDs in series.

  2. Q: What is the input voltage range of the LT3585EDDB-3#TRPBF? A: The input voltage range is from 2.5V to 40V.

  3. Q: What is the maximum output current of the LT3585EDDB-3#TRPBF? A: The maximum output current is typically 1A.

  4. Q: Can the LT3585EDDB-3#TRPBF be used to drive other loads apart from LEDs? A: Yes, it can be used to drive other loads such as motors or other high voltage devices.

  5. Q: Does the LT3585EDDB-3#TRPBF have built-in protection features? A: Yes, it has built-in features like overvoltage protection, overcurrent protection, and thermal shutdown.

  6. Q: How many LEDs can the LT3585EDDB-3#TRPBF drive in series? A: It can drive up to 20 LEDs in series.

  7. Q: What is the typical efficiency of the LT3585EDDB-3#TRPBF? A: The typical efficiency is around 85% to 90%.

  8. Q: Can the LT3585EDDB-3#TRPBF operate in a dimming mode? A: Yes, it supports PWM dimming control.

  9. Q: What is the operating temperature range of the LT3585EDDB-3#TRPBF? A: The operating temperature range is from -40°C to 125°C.

  10. Q: Is there a recommended application circuit for the LT3585EDDB-3#TRPBF? A: Yes, the datasheet of the LT3585EDDB-3#TRPBF provides a recommended application circuit that can be used as a reference.

Please note that these answers are general and may vary depending on specific design considerations and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information and application-specific questions.