DatasheetsPDF.com

LM3424

Texas Instruments
Part Number LM3424
Manufacturer Texas Instruments
Description Constant Current N-channel Controller
Published Sep 20, 2019
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LM3424 SNVS603D...
Datasheet PDF File LM3424 PDF File

LM3424
LM3424

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LM3424 SNVS603D – AUGUST 2009 – REVISED JULY 2019 LM3424 Constant Current N-channel Controller with Thermal Foldback For Driving LEDs 1 Features •1 VIN range from 4.
5 V to 75 V • High-side adjustable current sense • 2-Ω, 1-A peak MOSFET gate driver • Input undervoltage and output overvoltage protection • PWM and analog dimming • Cycle-by-cycle current limit • Programmable soft-start and slope compensation • Programmable, synchronizable switching frequency • Programmable thermal foldback • Precision voltage reference • Low-power shutdown and thermal shutdown 2 Applications • LED Drivers (buck, boost, buck-boost, and SEPIC) • Indoor and outdoor area SSL • General illumination • Constant-current regulators 3 Description The LM3424 is a versatile high voltage N-channel MOSFET controller for LED drivers.
It can be easily configured in buck, boost, buck-boost and SEPIC topologies.
In addition, the LM3424 includes a thermal foldback feature for temperature management of the LEDs.
This flexibility, along with an input voltage rating of 75 V, makes the LM3424 ideal for illuminating LEDs in a large family of applications.
Adjustable high-side current sense allows for tight regulation of the LED current with the highest efficiency possible.
The LM3424 uses standard peak current-mode control providing inherent input voltage feed-forward compensation for better noise immunity.
It is designed to provide accurate thermal foldback with a programmable foldback breakpoint and slope.
In addition, a 2.
45V reference is provided.
The LM3424 includes a high-voltage startup regulator that operates over a wide input range of 4.
5 V to 75 V.
The internal PWM controller is designed for adjustable switching frequencies of up to 2.
0 MHz and external synchronization is possible.
The controller is capable of high speed PWM dimming and analog dimming.
Typical Boost Application Circuit VIN 1...


Similar Datasheet


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site. (Privacy Policy & Contact)