SM8131B Datasheet (NPC) - White LED Driver

SM8131B, White LED Driver

Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Name DIN3 DIN2 DIN1 ISET C1P C1M PGND C2M C2P VREG VIN VOUT SEL2 SEL1 EN2 EN1 DIN6 DIN5 DIN4 GND I/O O O O I * * * * * * * O I I Ip *1 Ip *1 O O O * Description LED drive c

www.DataSheet4U.com SM8131B White LED Driver IC OVERVIEW The SM8131B is a charge pump DC/DC converter that switches between ×1 and ×1.5 automatically.

The SM8131B switches between ×1 and ×1.5 according to detected LED drive current, so that the battery life can be prolonged to the fullest extent.

Since the connected LED are all detected for the switching, the SM8131B can respond to the variation of LED forward voltage.

6-channel of LED drive current control circuit is built-in, the SM8131B can

SM8131B Features

* I PINOUT (Top view) EN2 SEL1 SEL2 VOUT VIN 15 14 13 12 11 I I I I I I I I I I I I I I 0.05 0.05 M I I I I I I I I Cellular phone PDA Portable games Handy terminal Digital still camera Digital video camera LCD back light White LED driving ORDERING INFORMATION Device SM8131B00B Package 20-pi