ZXLD1100 Datasheet and 4 LED Driver for Handset LCD Backlight Circuit Diagram

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 discon

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.

The ZXLD1100 has an advanced features such as internal 30V NDMOS switch, current sense, open circuit protection, Wide input voltage range: 2.5V to 5.5V, Up to 1MHz switching frequency, Inherently matched LED currents and True Analog Dimming via PWM.

This device is used to be applied on mobile phones, palmtop computers, digital cameras, PDAs, LCD modules and portable internet appliances.

Follow complete read about setting 4 LED Driver up for Handset LCD Backlight Circuit Diagram in the ZXLD1100 Datasheet (source: Zetex Semiconductors)

Tags: lcd backlight, driver ic, LCD, Circuit Diagram, led driver circuit,

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