KTD3122 Datasheet Brief : High Efficiency Step-Up LED Driver with Integrated Power Diode

PublishTime：2022-07-29

KTD3122 is the ideal power solution for white LED backlighting used with small to medium size LCD panels. It is a highly integrated step-up converter accommodating single cell lithium ion batteries or 5V regulated supply. KTD3122 integrates a 30V power diode and a 30V power MOSFET as well as compensation and soft start circuitry, which results in a simpler and smaller solution with much fewer external components. Adjustable switching frequency (1MHz/500kHz) and OVP threshold (30V/24V) allow the use of a smaller inductor and capacitor to further reduce the solution size.
KTD3122 has two regulated current sinks up to 30mA per string. With a maximum of 30V at the output of the step-up converter, each string can connect up to 8 LEDs in series, or up to 16 LEDs total.
KTD3122 is equipped with I²C interface for various controls. For additional flexibility, wide frequency (100Hz to 100kHz) and duty cycle range (0.1% to 100% at 10kHz) PWM dimming control is included and can support Content Adaptive Brightness Control (CABC).
Various protection features are built into KTD3122, including cycle-by-cycle input current limit protection, output over-voltage protection, LED fault (open or short) protection and thermal shutdown protection.
KTD3122 is available in a RoHS compliant and Green 16-lead 3mm x 3mm x 0.75mm Thin-QFN or 12-ball 1.21mm x 1.65mm x 0.62mm WLCSP package.

Brand of Product：	Kinetic Technologies
Part#：	KTD3122 、 KTD3122EFJ-TR 、 KTD3122EAZ-TR More Part#
Product Category：	High Efficiency Step-Up LED Driver More
Application：	[ Smartphone Backlight ][ Tablet Backlight ][ PDA Backlight ][ GPS Backlight ] More
Data Type：	Datasheet More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：	TQFN33-16;WLCSP-12
Language：	English Chinese Chinese and English Japanese
Date of Creation：	February 2016
Version Number：	Revision 04d
Data Encoding：
Data Size：	136 KB

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