sm8142b Nippon Precision Circuits Inc, (NPC), sm8142b Datasheet
sm8142b
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sm8142b Summary of contents
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... SON (Small Outline Non-leaded) packages*, making possible the construction of small, thin, low-power driver units SM8142 × D FEATURES Dedicated EL driver I Noise-less smooth drive waveform I High-efficiency output circuit I Two oscillator circuits built-in (SM8142A) I Stand-by function (SM8142B) I Stable temperature characteristics I Ultra-small package I 1.6 to 5.5V supply voltage I 0.3mA typ 3.0V) current consumption I DD ...
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... VDD 4 5 SM8142BD 1 8 VSS OSC ENA VDD 4 5 8-pin VSOP I SM8142AV CHV 1 LDR 2 VSS 3 OCL 4 SM8142BV CHV 1 LDR 2 VSS 3 OSC 4 SM8142 PACKAGE DIMENSIONS 8-pin SON I LDR CHV OUT1 OUT2 0.65 LDR CHV OUT1 OUT2 8-pin VSOP I 8 OUT1 7 OUT2 ...
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... OCE ENA 6 4 A/B VDD 7 5 A/B OUT2 8 6 A/B OUT1 1. Built-in pull-down resistor SM8142 SM8142B I EL sheet OUT1 OUT2 High Voltage Switching Circuit Dividing Circuit Oscillator for EL Driving OCE I/O I High-voltage DC input O Booster coil driver output – Ground I Coil driver oscillator (oscillator frequency determined by external resistor) ...
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SPECIFICATIONS Absolute Maximum Ratings Parameter Symbol Supply voltage range V DD Input voltage range CHV Output voltage V LDR V OUT1/2 Power dissipation P D Storage temperature range T stg Recommended Operating Conditions Parameter Symbol Supply voltage ...
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DC Characteristics = 3.0V ° C unless otherwise noted Parameter Supply voltage CHV output voltage OUT1, OUT2 HIGH-level output voltage OUT1, OUT2 LOW-level output voltage LDR output resistance OCE oscillator frequency OCE oscillator frequency range ...
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TYPICAL APPLICATIONS SM8142AD I 3.0V 3.0V 1.5V 3.0V 5. Connect a 1k Ω resistor to protect IC when the size of EL sheet is over 30cm ** : Connect a 20k Ω resistor to protect IC when the ...
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... SM8142BD I 3.0V 3.0V 1.5V 3.0V 5. Connect a 1k Ω resistor to protect IC when the size of EL sheet is over 30cm ** : Connect a 20k Ω resistor to protect IC when the supply voltage is over 4.0V. Note) Do not operate the SM8142 with the EL sheet NOT connected (no load to OUT1/OUT2) since the IC will be damaged. SM8142 C bypass 0.47mH 0.01µ ...
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Please pay your attention to the following points at time of using the products shown in this document. The products shown in this document (hereinafter “Products”) are not intended to be used for the apparatus that exerts harmful influence on ...