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SM8144B Datasheet(PDF) 1 Page - Nippon Precision Circuits Inc |
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SM8144B Datasheet(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 6 page SM8144B NIPPON PRECISION CIRCUITS—1 NIPPON PRECISION CIRCUITS INC. EL Sheet Driver OVERVIEW The SM8144B is a transformer-less electroluminescent (EL) driver IC, capable of driving displays up to 80 cm2 in size. It is a high-efficiency driver that 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 func- tion. The device is available in 8-pin VSOP packages. FEATURES s Dedicated EL driver s 1.6 to 5.5 V supply voltage s 100mA maximum operating current (VDD = 3.0V, Ta ≤ 70°C) s 3.5 Ω typical output resistance s 200 Vp-p maximum EL driver voltage* s 31 to 1500 Hz EL drive frequency range* s High voltage CMOS Process s 8-pin VSOP plastic package *: Adjustable with external resistance. APPLICATIONS s Hand held PC, Palm size PC s Mobile IT equipment s White EL ORDERING INFORMATION PINOUT (Top view) PACKAGE DIMENSIONS (Unit : mm) D e vice P a ck ag e SM8144BV 8-pin VSOP 1 CHV 2 LDR 3 VSS 4 OSC 5 ENA 6 VDD 7 OUT2 8 OUT1 8144BV 0.575 typ 3.1 ± 0.3 0.22 ± 0.1 0.65 0.12 M 0.10 0 to 10 0.15 +0.1 −0.05 |
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