SM8141
NIPPON PRECISION CIRCUITS INC.
EL Sheet Driver
OVERVIEW
The SM8141 is a transformer-less electroluminescent (EL) sheet lamp driver, capable of driving sheets up to 50cm2 in size.
It employs built-in high withstand voltage output MOS
transistors and requires few external components, making it ideal for compact driver units in portable equipment.
PINOUT
8pin VSOP (TOP VIEW)
CHV LDR VSS
1 2 3 4
8 7
OUT1 OUT2 VDD OCE
FEATURES
s s s s s s s
8141A
6 5
OCL
s s s s s
Dedicated EL driver 50cm2 maximum EL sheet drive capability Noise-less smooth drive waveform Two oscillators (EL and coil)(SM8141A) Stand-by function (SM8141B) High-efficiency MOS
transistor driver Dual supply operati...