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ZXLD1100 Datasheet and 4 LED Driver for Handset LCD Backlight Circuit Diagram
ZXLD1100 is a PFM flyback DC to DC boost converter that work in discontinuos mode. The following circuit diagram show you about setting 4 LED Driver for Handset LCD Backlight using this device. The ZXLD1100 designed for driving 2,3,4 series connected white LEDs from a Li-on cell and up to 8 LEDs from 5 V supply.
In order to set 4 LED Driver Circuit you will need these following component materials: ZXLD1100H6 LED Driver IC, 400mA Schottky Diode, 10 microH 1mm Height Profile (CMD4D11-100MC for L1), 6.8 ohm and 100 kOhm for the resistors, two capasitors of 1 microF, and 4 pcs per board of white LEDs, according to the ZXLD1100 datasheet. You will see another circuit diagrams such 3 LED Driver for Handset LCD Backlight, 5 LED Driver for Handset Main and Sub Display LCD Backlight, and 6 LED Driver for LCD Backlight Circuit Diagram in the application note sections.
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