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SM8143A 데이터시트(PDF) 1 Page - Nippon Precision Circuits Inc |
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SM8143A 데이터시트(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 8 page SM8143A SEIKO NPC CORPORATION —1 EL Driver OVERVIEW The SM8143A is a transformer-less electroluminescent (EL) driver IC, capable of driving displays up to 80cm2 (SM8143AV) or 70cm2 (SM8143AD) in size. It is a high-efficiency driver that features revised coil switching transistor ON resistance and output circuit configuration to reduce loss. The EL drive frequency and coil drive frequency can be controlled independently, making the driver circuit optimizable to match applica- tion requirements. A microcontroller interface pin (ENA) is provided, which can be used to control the EL driver ON/OFF function. FEATURES I Dedicated EL driver I 1.6 to 5.5V supply voltage I Maximum operating current • SM8143AV: 150mA max. (VDD = 3.0V, Ta ≤ 70°C) • SM8143AD: 100mA max. (VDD = 3.0V, Ta ≤ 70°C) I 3.5 Ω typical output resistance I 200Vp-p maximum EL driver voltage* I 31 to 1500Hz EL drive frequency range* I High voltage CMOS Process I Package: VSOP-16, SON-10 *: Adjustable with external resistance. APPLICATIONS I Cellular phone I Mobile equipment I PDA ORDERING INFORMATION PINOUT (Top view) I VSOP-16 I SON-10 Device Package SM8143AV VSOP-16 SM8143AD SON-10 NC 1 CHV NC LDR 16 NC OUT1 NC OUT2 NC VSS NC OCL 8 NC VDD ENA 9 OCE CHV LDR NC OUT1 OUT2 VSS OCL OCE ENA VDD 6 1 2 3 4 5 10 9 8 7 6 |
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