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AP3030

BCD Semiconductor
Part Number AP3030
Manufacturer BCD Semiconductor
Description WHITE LED STEP-UP CONVERTER
Published Jan 6, 2010
Detailed Description Data Sheet WHITE LED STEP-UP CONVERTER General Description The AP3030 is an inductor-based DC/DC converter designed to d...
Datasheet PDF File AP3030 PDF File

AP3030
AP3030

Overview
Data Sheet WHITE LED STEP-UP CONVERTER General Description The AP3030 is an inductor-based DC/DC converter designed to drive up to eight white LEDs in series or 2 rows of LEDs with 5 for each in parallel for backlight.
Only one feedback resistor is needed to control the LED current and obtain required brightness.
A constant frequency 1.
2MHz PWM control scheme is employed in this IC, which means tiny external components can be used.
Specifically, 1mm tall inductor and 0.
22µF output capacitor for a typical application are sufficient.
Additionally, the schottky diode in boost circuit is integrated on this chip.
AP3030 also provides a disable pin to ease its use for different systems.
The output...


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