SM8144B - Nippon Precision Circuits Inc

SM8144B EL Sheet Driver

Pin nu m b e r 1 2 3 4 Name CHV LDR VSS lim I/O I High-voltage DC input O – I Booster coil driver output Ground I – Supply O O Output 2 Output 1 When ENA is logical "H", SM8144B is active. pre OSC ENA 5 6 7 8 VDD OUT2 OUT1 Coil and EL driver oscillator (oscillator frequency determined by external resistor) E n a ble input (built-in pull-down resistor) i.

Features

revised coil switching transistor ON resistance and output circuit configuration to reduce loss, all in a compact package. A microcontroller interface pin (ENA) is provided, which can be used to control the EL driver ON/OFF function. The device is available in 8-pin VSOP packages. FEATURES s s PINOUT (Top view) pre lim ina s s s s s s Dedicated EL driver 1.6 to 5.5 V supply voltage 100mA maximum operating current (VDD = 3.0V, Ta ≤ 70°C) 3.5Ω typical output resistance 200 Vp-p maximum EL driver voltage
* 31 to 1500 Hz EL drive frequency range
* High voltage CMOS Process 8-pin VSOP plastic p.