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LT3755EUD#PBF

LED Driver 14 Segment 1700uA Supply Current 16-Pin QFN EP Tube

Quantity Unit Price(USD) Ext. Price
1 $4.958 $4.96
200 $1.919 $383.80
500 $1.851 $925.50
1000 $1.818 $1,818.00

Inventory:6,092

*The price is for reference only.
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Overview of LT3755EUD#PBF

The LT3755EUD#PBF is a high voltage, high current step-down LED driver designed for driving LEDs with a constant current. It features a wide input voltage range and high efficiency, making it suitable for various LED lighting applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VIN: Input Voltage
  • VCC: Power Supply for Internal Circuitry
  • BST: Bootstrap Capacitor Connection
  • PGND: Power Ground
  • COMP: Compensation Pin
  • SW: Switch Node
  • RT/CLK: Frequency Setting/External Clock Synchronization
  • SYNC: Synchronization Input
  • SS/TRK: Soft-Start/Tracking Control
  • OV: Overvoltage Protection
  • FB: Feedback Input
  • CTRL: Dimming Control Input
  • ISET: LED Current Setting
  • AGND: Analog Ground


Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LT3755EUD#PBF IC for a visual representation.

Key Features

  • High Voltage and High Current Capability: The LT3755EUD#PBF can handle high voltage and current levels, making it suitable for driving power LEDs.
  • Wide Input Voltage Range: It accepts a wide range of input voltages, allowing flexibility in LED driver design.
  • High Efficiency: The driver offers high efficiency, minimizing power loss and heat generation.
  • Dimming Control: Featuring dimming control inputs, the LT3755EUD#PBF allows for brightness adjustment of the LEDs.
  • Protection Features: It includes overvoltage protection and other safety features to ensure reliable operation.

Note: For detailed technical specifications, please refer to the LT3755EUD#PBF datasheet.

Application

  • LED Lighting: Ideal for driving LEDs in lighting applications such as automotive lighting, signage, and architectural lighting.
  • Display Backlighting: Suitable for LED backlighting in displays and monitors, providing efficient and controlled illumination.
  • Industrial Lighting: Used in industrial lighting systems where high-power LEDs are employed for illumination.

Functionality

The LT3755EUD#PBF is a versatile LED driver capable of efficiently driving high-power LEDs with consistent current control. It enables precise control and dimming of LED brightness in various lighting applications.

Usage Guide

  • Power Supply: Connect VIN (Pin 1) to the input voltage source and AGND (Pin 14) to analog ground.
  • LED Connections: Wire the LED load to the SW (Pin 6) and FB (Pin 11) pins for proper current regulation.
  • Dimming Control: Utilize the CTRL (Pin 12) input for dimming control using external signals or PWM.

Frequently Asked Questions

Q: Can the LT3755EUD#PBF be used for automotive lighting applications?
A: Yes, the LT3755EUD#PBF is suitable for driving LEDs in automotive lighting systems, providing efficient and reliable operation.

Q: Does the LT3755EUD#PBF require external heat sinking for thermal management?
A: Depending on the application and operating conditions, external heat sinking may be required to manage thermal dissipation effectively.

Equivalent

For similar functionalities, consider these alternatives to the LT3755EUD#PBF:

  • LT3476EDD#PBF: A high voltage, high current LED driver with similar capabilities to the LT3755EUD#PBF in a different package.
  • LTC3789EUHE#PBF: This LED driver IC from Linear Technology offers advanced features for driving high-power LEDs in various applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category LED Lighting Drivers RoHS Details
Series LT3755 Mounting Style SMD/SMT
Package / Case QFN-16 Number of Outputs 1 Output
Output Current 10 A Input Voltage, Min 4.5 V
Input Voltage, Max 40 V Topology Boost, Buck, Buck-Boost, Flyback, SEPIC
Operating Frequency 100 kHz to 1 MHz Output Voltage Adjustable
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 125 C
Features PWM Dimming, Open LED Protection Brand Analog Devices
Input Voltage 4.5 V to 40 V Number of Channels 1 Channel
Product Type LED Lighting Drivers Factory Pack Quantity 121
Subcategory Driver ICs Supply Current - Max 1.7 mA
Unit Weight 0.007055 oz

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packageimg

LT3755EUD#PBF

LED Driver 14 Segment 1700uA Supply Current 16-Pin QFN EP Tube

Inventory:

6,092