LED Backlighting

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LEDs have practically replaced cold cathode fluorescent lamps (CCFL) in LCD backlight applications used for panels in small devices including smartphones and tablets as well as large appliances and electronics such as TVs, PC monitors, and notebooks. Thanks to their higher luminous efficiency and far smaller form factor, LEDs enable more effective positioning of the light sources behind the panel.

We offer a wide range of DC-DC solutions to efficiently drive LEDs in the widest spectrum of applications and supporting the variety of implementations and topologies found in LED backlights.

Multi-function Controllers

LED OLED Power Supply

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Application Notes (5 of 13)

	Resource title	Latest update
PDF	AN3339 185 W power supply with PFC and standby supply for LED TV using the L6564, L6599A, and VIPER27LN 2.0	13 Sep 2018	13 Sep 2018 AN3339 185 W power supply with PFC and standby supply for LED TV using the L6564, L6599A, and VIPER27LN 2.0
PDF	AN5335 35W transition-mode flyback converter with ultra-low THD based on HVLED007 1.2	19 Dec 2019	19 Dec 2019 AN5335 35W transition-mode flyback converter with ultra-low THD based on HVLED007 1.2
PDF	AN2809 6-row / 30-mA LED driver with boost converter for the backlight of LCD panels 2.2	28 Feb 2020	28 Feb 2020 AN2809 6-row / 30-mA LED driver with boost converter for the backlight of LCD panels 2.2
PDF	AN2810 6-row 85 mA LED driver with boost converter for LCD panel backlighting 1.2	28 Feb 2020	28 Feb 2020 AN2810 6-row 85 mA LED driver with boost converter for LCD panel backlighting 1.2
PDF	AN2644 An introduction to LLC resonant half-bridge converter 2.0	13 Sep 2018	13 Sep 2018 AN2644 An introduction to LLC resonant half-bridge converter 2.0
PDF	AN2983 Constant current inverse buck LED driver using L6562A 1.3	20 Jul 2015	20 Jul 2015 AN2983 Constant current inverse buck LED driver using L6562A 1.3
PDF	AN4250 Fishbone diagram for power factor correction 1.1	13 Sep 2018	13 Sep 2018 AN4250 Fishbone diagram for power factor correction 1.1
PDF	AN3981 LED array drivers 1.1	13 Sep 2018	13 Sep 2018 AN3981 LED array drivers 1.1
PDF	AN2450 LLC resonant half-bridge converter design guideline 6.0	13 Sep 2018	13 Sep 2018 AN2450 LLC resonant half-bridge converter design guideline 6.0
PDF	AN4406 MDmesh™ M2: the new ST super-junction technology ideal for resonant topologies 1.0	08 Apr 2015	08 Apr 2015 AN4406 MDmesh™ M2: the new ST super-junction technology ideal for resonant topologies 1.0
PDF	AN2928 Modified buck converter for LED applications 1.5	13 Sep 2018	13 Sep 2018 AN2928 Modified buck converter for LED applications 1.5
PDF	AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0	24 Mar 2020	24 Mar 2020 AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0
PDF	AN2333 White LED power supply for large display backlight 3.3	04 Dec 2018	04 Dec 2018 AN2333 White LED power supply for large display backlight 3.3

Flyers (3)

	Resource title	Latest update
PDF	800-1050V MDmesh™ K5 ST’s first super-junction VHV MOSFET Series 1.0	06 Feb 2020	06 Feb 2020 800-1050V MDmesh™ K5 ST’s first super-junction VHV MOSFET Series 1.0
PDF	HVLED: Lighting the future 12.2018	04 Jan 2019	04 Jan 2019 HVLED: Lighting the future 12.2018
PDF	LED770x LED drivers 1.0	25 Feb 2020	25 Feb 2020 LED770x LED drivers 1.0

Selection Guides (1)

	Resource title		Latest update
PDF	Linear and Switching Voltage Regulators Selection Guide 3.0		25 Mar 2020	25 Mar 2020 Linear and Switching Voltage Regulators Selection Guide 3.0