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Constant-current drive circuit of LED switching power supply
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Switching type four-section light emitting diode (LED) illumination regulation control circuit
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Power supply circuit
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Primary side feedback flyback type constant current power supply based on time varying reference
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Constant-current power supply circuit
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High-voltage LDMOS (laterally diffused metal oxide semiconductor) structure
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Full-CMOS (complementary metal-oxide-semiconductor transistor) accurate current sampling circuit
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Switching power supply control chip
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Switching power supply control system of multiple voltage levels
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LED driving circuit
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Phase locked loop circuit
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EMI (Electro-Magnetic Interference) suppression circuit of D type power amplifier
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Negative level high voltage shift circuit
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Digital input class-d power amplifier circuit
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Non-dead time power amplifier output-stage circuit
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Audio-frequency amplifier circuit with noise suppression
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