LT3743EFE Allicdata Electronics
Allicdata Part #:

LT3743EFE-ND

Manufacturer Part#:

LT3743EFE

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Linear Technology/Analog Devices
Short Description: IC REGULATOR
More Detail: LED Driver IC 1 Output DC DC Controller Step-Down ...
DataSheet: LT3743EFE datasheetLT3743EFE Datasheet/PDF
Quantity: 1000
Stock 1000Can Ship Immediately
Specifications
Series: --
Packaging: Tube 
Part Status: Obsolete
Type: DC DC Controller
Topology: Step-Down (Buck)
Internal Switch(s): No
Number of Outputs: 1
Voltage - Supply (Min): 6V
Voltage - Supply (Max): 36V
Voltage - Output: --
Current - Output / Channel: --
Frequency: 200kHz ~ 1MHz
Dimming: PWM
Applications: Lighting
Operating Temperature: -40°C ~ 125°C (TJ)
Mounting Type: Surface Mount
Package / Case: 28-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package: 28-TSSOP-EP
Description

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LT3743EFE is a PMIC – LED Drivers, which is applied in LED loading, LED driving and LED lightening. The LED Driver is a high-power LED driver IC, which can drive the LED load up to 4A continuous current. It provides 4 operating modes, which include constant current mode, constant voltage mode, wall switching mode, and universal mode.

LT3743EFE is a highly efficient driver, it has a wide input voltage range from 0-24V, a frequency range from 125KHz to 700KHz, and a switching frequency range from 0Hz to 700KHz. The driver also has a low duty cycle operation and a low quiescent current. It has an integrated over-temperature protection, a shutdown function, and an over-voltage protection.

The working principle of LT3743EFE is simple. A current-sense resistor is connected in series between the power source and the LED string, which senses the current flow through the LED driver. When the voltage across the current-sense resistor exceeds a certain level, the current-sense comparator is triggered, causing the driver to shut off the current flow through the LED string. In order to make the LT3743EFE work effectively, the external parts should be correctly chosen, especially the current-sense resistor and the output capacitor.

LT3743EFE is a highly efficient and robust LED driver, which makes it the perfect choice for a wide range of applications, including decorative lighting, emergency lighting, traffic signage, and display backlighting. It is also suitable for automated production processes and environmental monitoring. The integrated short-circuit protection and over-current protection ensure safety and reliability for the application.

In conclusion, the LT3743EFE is a versatile PMIC – LED Drivers, which can be used in a wide range of applications. It is designed to provide robust operation with high efficiency and wide input voltage range, and has integrated thermal and current protection. Furthermore, it has a low duty cycle operation, a wide frequency range and a low quiescent current. This makes it the perfect choice for applications that require reliable, efficient, and robust LED driving.

The specific data is subject to PDF, and the above content is for reference

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