LT3592IDDB

Product Overview

Category: Integrated Circuit
Use: LED Driver
Characteristics: High efficiency, compact design, wide input voltage range
Package: DDB (8-Lead LLP)
Essence: Efficiently drives LEDs in various lighting applications
Packaging/Quantity: Tape & Reel (3000 units per reel)

Specifications

Input Voltage Range: 2.7V to 30V
Output Current: Up to 1A
Switching Frequency: 1MHz
Operating Temperature Range: -40°C to 125°C
Dimming Control: Analog/PWM

Detailed Pin Configuration

VIN: Input Voltage
GND: Ground
CTRL: Dimming Control
FB: Feedback
SW: Switch Node
LX: Inductor Connection
VOUT: Output Voltage
PGND: Power Ground

Functional Features

High Efficiency: Provides efficient power conversion for LED lighting systems
Wide Input Voltage Range: Suitable for various power sources
Dimming Control: Allows for flexible brightness adjustment
Over-Temperature Protection: Ensures safe operation under extreme conditions

Advantages and Disadvantages

Advantages

Compact Design: Enables space-saving integration into lighting fixtures
High Efficiency: Reduces power consumption and heat generation
Wide Input Voltage Range: Offers flexibility in power source selection

Disadvantages

Limited Output Current: May not be suitable for high-power LED applications
External Components Required: Additional components may be needed for specific configurations

Working Principles

The LT3592IDDB is a step-up DC/DC converter designed specifically for driving LEDs. It utilizes a high-frequency switching regulator to efficiently convert the input voltage to the required output voltage for powering the LEDs. The dimming control feature allows for adjustable brightness levels, making it suitable for various lighting scenarios.

Detailed Application Field Plans

The LT3592IDDB is ideal for use in: - LED-based lighting fixtures - Automotive lighting systems - Portable and handheld lighting devices - Architectural and decorative lighting applications

Detailed and Complete Alternative Models

LT3492: Similar functionality with different package options
LT3952: Higher output current capability for more demanding LED applications
LT1932: Lower output current but suitable for cost-sensitive designs

In conclusion, the LT3592IDDB offers a compact and efficient solution for driving LEDs in a wide range of lighting applications. Its high efficiency, wide input voltage range, and dimming control make it a versatile choice for designers seeking reliable LED driver solutions.

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What is the input voltage range of LT3592IDDB?
- The input voltage range of LT3592IDDB is 2.7V to 30V.
What is the output current capability of LT3592IDDB?
- LT3592IDDB can provide up to 1A of output current.
What are the typical applications of LT3592IDDB?
- LT3592IDDB is commonly used in LED driver applications, boost converters, and general-purpose step-up voltage applications.
What is the efficiency of LT3592IDDB?
- The efficiency of LT3592IDDB can reach up to 90% depending on the application and operating conditions.
Does LT3592IDDB have built-in overcurrent protection?
- Yes, LT3592IDDB features built-in overcurrent protection to safeguard the circuit and load.
What is the switching frequency of LT3592IDDB?
- The switching frequency of LT3592IDDB is typically 1MHz, which allows for compact external components.
Can LT3592IDDB operate in a wide temperature range?
- Yes, LT3592IDDB is designed to operate in a wide temperature range, typically from -40°C to 125°C.
Is LT3592IDDB suitable for battery-powered applications?
- Yes, LT3592IDDB is suitable for battery-powered applications due to its low quiescent current and wide input voltage range.
Does LT3592IDDB require external compensation components?
- No, LT3592IDDB features internal compensation, reducing the need for external components and simplifying the design.
What package type does LT3592IDDB come in?
- LT3592IDDB is available in a 3mm x 3mm DFN package, making it suitable for space-constrained applications.