DESCRIPTIO
N
The  APA7136 IS step-up DC/DC converters
designed to drive up to six LEDs in series from a Li-Ion cell.
Series connection of the LEDs provides identical LED
currents and eliminates the need for ballast resistors.
These devices integrate the Schottky diode required exter-
nally on competing devices. Additional features include
output voltage limiting when LEDs are disconnected, one-
pin shutdown and dimming control. The APA7136   has
internal soft-start.
The  APA7136   switches at 1.2MHz, allowing the use of tiny
external components. Constant frequency  switching
  results in low input noise and a small output capacitor.
 Just 0.22µF is required  for 4-, 6- or 8-LED applications.
The APA7136  is available in low profile(1mm)6-lead

LED驱动背光驱动音频驱动视频驱动LCD驱动马达驱动升压驱动恒流驱动开关驱动VFD驱动扫描接口驱动充电驱动电表驱动

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