pid_16324503_lt3744iuhe23trpbf-analog-devices-datasheet-56970106.pdf  Pinout Diagram_1
pid_16324503_lt3744iuhe23trpbf-analog-devices-datasheet-56970106.pdf  Pinout Diagram_1
pid_16324503_lt3744iuhe23trpbf-analog-devices-datasheet-56970106.pdf Outline Dimensions_1
pid_16324503_lt3744iuhe23trpbf-analog-devices-datasheet-56970106.pdf Outline Dimensions_2
pid_16324503_lt3744iuhe23trpbf-analog-devices-datasheet-56970106.pdf Outline Dimensions_3
pid_16324503_lt3744iuhe23trpbf-analog-devices-datasheet-56970106.pdf Outline Dimensions_4
pid_16324503_lt3744iuhe23trpbf-analog-devices-datasheet-56970106.pdf Outline Dimensions_5
pid_16324503_lt3744iuhe23trpbf-analog-devices-datasheet-56970106.pdf Outline Dimensions_6
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Analog Devices, Inc. LT3744IUHE#TRPBF

Manufacturer No:

LT3744IUHE#TRPBF

Utmel No:

153-LT3744IUHE#TRPBF

Package:

QFN

ECAD Model:

Description:

IC LED DVR SYNC STEP DOWN 36QFN

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LT3744IUHE#TRPBF information

Specifications
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Product Details
Analog Devices, Inc. LT3744IUHE#TRPBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices, Inc. LT3744IUHE#TRPBF.
  • Type
    Parameter
  • Lifecycle Status

    Lifecycle Status refers to the current stage of an electronic component in its product life cycle, indicating whether it is active, obsolete, or transitioning between these states. An active status means the component is in production and available for purchase. An obsolete status indicates that the component is no longer being manufactured or supported, and manufacturers typically provide a limited time frame for support. Understanding the lifecycle status is crucial for design engineers to ensure continuity and reliability in their projects.

    PRODUCTION (Last Updated: 3 weeks ago)
  • Mount

    In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.

    Surface Mount
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    QFN
  • Number of Pins
    36
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Tape & Reel
  • Max Operating Temperature

    The Maximum Operating Temperature is the maximum body temperature at which the thermistor is designed to operate for extended periods of time with acceptable stability of its electrical characteristics.

    125°C
  • Min Operating Temperature

    The "Min Operating Temperature" parameter in electronic components refers to the lowest temperature at which the component is designed to operate effectively and reliably. This parameter is crucial for ensuring the proper functioning and longevity of the component, as operating below this temperature may lead to performance issues or even damage. Manufacturers specify the minimum operating temperature to provide guidance to users on the environmental conditions in which the component can safely operate. It is important to adhere to this parameter to prevent malfunctions and ensure the overall reliability of the electronic system.

    -40°C
  • Frequency

    In electronic components, the parameter "Frequency" refers to the rate at which a signal oscillates or cycles within a given period of time. It is typically measured in Hertz (Hz) and represents how many times a signal completes a full cycle in one second. Frequency is a crucial aspect in electronic components as it determines the behavior and performance of various devices such as oscillators, filters, and communication systems. Understanding the frequency characteristics of components is essential for designing and analyzing electronic circuits to ensure proper functionality and compatibility with other components in a system.

    1MHz
  • Number of Outputs
    3
  • Max Supply Voltage

    In general, the absolute maximum common-mode voltage is VEE-0.3V and VCC+0.3V, but for products without a protection element at the VCC side, voltages up to the absolute maximum rated supply voltage (i.e. VEE+36V) can be supplied, regardless of supply voltage.

    36V
  • Current - Output

    Current - Output is a parameter in electronic components that refers to the maximum amount of current that can be delivered by the output of the component. It is a crucial specification as it determines the capability of the component to supply power to connected devices or circuits. The current output rating is typically specified in amperes (A) and is important for ensuring that the component can safely and effectively power the load it is connected to without overheating or failing. Designers and engineers must consider the current output rating when selecting components to ensure compatibility and reliable operation of the overall system.

    40A
  • Voltage - Output

    Voltage - Output is a parameter that refers to the electrical potential difference between the output terminal or pin of an electronic component and a reference point, typically ground. It indicates the level of voltage that the component is capable of providing at its output under specified operating conditions. This parameter is crucial in determining the performance and functionality of the component in a circuit, as it directly affects the signal or power being delivered to other components or devices connected to the output. Engineers and designers use the voltage output specification to ensure compatibility and proper functioning of the component within the overall system.

    36V
  • Dimming

    Dimming is a feature in electronic components, such as LED lights or display screens, that allows the user to adjust the brightness level of the device. It is a method of controlling the amount of light output by the component, typically by varying the voltage or current supplied to it. Dimming can be achieved through various techniques, such as pulse-width modulation (PWM) or analog dimming. This feature is commonly used to save energy, create ambiance, or enhance visual comfort in different applications.

    Analog, PWM
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    RoHS Compliant
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Download datasheets and manufacturer documentation for Analog Devices, Inc. LT3744IUHE#TRPBF.

PRODUCT DESCRIPTION

The LT®3744 is a fixed frequency synchronous step-down DC/DC controller designed to drive a LED load at up to 20A continuous or 40A pulsed. The peak current mode controller will maintain ±3% LED current regulation over a wide output voltage range, from VEE to VIN. By allowing VEE to float to negative voltages, several LEDs in series can be driven from a single Li-Ion battery with a simple, single step-down output stage. PWM dimming is achieved with the PWM pins. The regulated LED current is set with analog voltages at the CTRL pins. Regulated voltage and overvoltage protection are set with a voltage divider from the output to the FB pin. The switching frequency is programmable from 100kHz to 1MHz through an external resistor on the RT pin.

FEATURES

High Current Synchronous Step-Down LED Driver Up to 3000:1 PWM Dimming 20:1 Analog Dimming ±3% Current Regulation Accuracy ±3% Voltage Regulation Accuracy Unique Inverting Buck-Boost Topology 3.3V to 36V Input Voltage Range Peak Current Mode with DC LED Current Sensing Open and Shorted LED Protection and Fault Reporting Floating LED Driver Thermally Enhanced 5mm × 6mm QFN 36-Lead Package

APPLICATIONS

LED Driver for DLP Projectors
Heads-Up Displays
High Power LED