SM8133B Datasheet - NPC

SM8133B White LED Driver

Number Name QFN-20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 WL-CSP D1 C1 B1 B2 A2 A1 A3 B3 B4 A4 A5 B5 C5 C4 D5 D4 C3 D3 D2 C2 DIN4 DIN3 DIN2 DIN1 PGND C1P C1M C2M C2P VIN LDOUT VOUT RESETB SCK SDA EN DIN7 DIN6 DIN5 GND O O O O * * * * * * O .

www.DataSheet4U.com SM8133B White LED Driver IC OVERVIEW The SM8133B is a charge pump type white LED driver. It can drive 1 to 6 backlight white LED connected in parallel and 1 ﬂash white LED. The output voltage circuit has a 3.0V LDO (Low Dropout Regulator), making the device ideal for camera-equipped cellular phones. The charge pump switches between ×1 to ×1.5 boost mode in response to LED drive current requirements to extend battery life to the maximum. The boost switching occurs in respons.

SM8133B Features

* I I I I I I I I I I I Noise reduction due to charge pump boost circuit Automatic charge pump switching to conserve power Drives 1 to 6 backlight white LED (30mA/ch at maximum setting) Drives a ﬂash white LED (150mA at maximum setting) Backlight and ﬂash white LED brightness adjustment Group settin

SM8133B Datasheet (191.19 KB)