SM8140A - Nippon Precision Circuits Inc

SM8140A EL Driver IC

SSOP 1 − 2 3 − 4 5 6 7 8 9 10 11 12 13 14 chip 11 12 13 14 4 15 16 1 2 3 5 6 7 8 9 10 Pin Name CHV MONG LDR VSS1 VSS2 OCL2 OCL1 OCE2 OCE1 ENA VDD CPO CP1 CP2 OUT2 OUT1 i/o i o o − − o i i o ip1 − o o o o o DC high voltage pin Monitor gate Step − up inductor driver output GND GND CR oscillator pin for step − up inductor and charge pump. External resistor at t.

Features

to use in wider range of applications demanding low quiescent current, low supply voltages, low operating supply currents, simple brightness control and low EMI (Electro-Magnetic Interference) emission due to the inherent smooth driver wave forms. PIN OUT ( Top View ) 14pin SSOP CHV LDR VSS1 OCL2 OCL1 OCE2 OCEl 7 1 14 OUT1 OUT2 CP2 CP1 CPO VDD SM8140AM FEATURES s s s s s s s s s s s s s s 1.80MAX 1.50 Specially providing EL driver functions Non-transformer for compact outline Bipolar driving for high power efficiency Very low noise smooth driver wave forms Brightness control with dr.