NPA Number 001
com
Announcement
New Product AP3154A/56
Small LCD screen backlighting charge pump LED drivers
Description The AP3154A and AP3156 are charge pump LED drivers for small LCD screen backlighting.
They are well suited for LCD screens less than 3”.
Both use a tri‐mode charge pump switch (1X), fractional (1.
5X), and doubling (2X) conversion to maximize efficiency in white LED applications.
A low external parts count (two 1μF flying and two small 1μF
capacitors at VIN and VOUT) make them ideally suited for small, battery‐ powered applications.
A serial digital interface is used to enable, disable and set current for each LED with a 32‐level logarithm...