ACE714B Step-up DC/DC Converter Backlight Driver Description The ACE714B is a fixed frequency, constant current step-up DC/DC converter ideal for driving LEDs used in backlighting applications on cellular phones, PDAs and digital cameras etc.
Output voltage of up to 28V can be derived, and from a 2.
5V input three white LED’s can be driven in series.
Luminance of the LED’s is controlled by changing the duty cycle of a PWM signal applied to the CE pin.
In addition, an internal MOSFET with an Rds-on of 0.
3Ω is used.
Allow profile and small board area solution can be achieved using a chip coil and an ultra small ceramic output capacitor.
Features  Input voltage range : 2.
5V-5.
5V  Output volt...

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