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L6599 Datasheet(PDF) 1 Page - STMicroelectronics |
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L6599 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 36 page ![]() July 2006 Rev 2 1/36 36 L6599 High-voltage resonant controller Features ■ 50% duty cycle, variable frequency control of resonant half-bridge ■ High-accuracy oscillator ■ Up to 500kHz operating frequency ■ Two-level OCP: frequency-shift and latched shutdown ■ Interface with PFC controller ■ Latched disable input ■ Burst-mode operation at light load ■ Input for power-ON/OFF sequencing or brownout protection ■ Non-linear soft-start for monotonic output voltage rise ■ 600V-rail compatible high-side gate driver with integrated bootstrap diode and high dV/dt immunity ■ -300/800mA high-side and low-side gate drivers with UVLO pull-down ■ DIP-16, SO-16N packages Applications ■ LCD & PDP TV ■ Desktop PC, entry-level server ■ Telecom SMPS ■ AC-DC adapter, open frame SMPS Order code Part number Package Packaging L6599D SO-16N Tube L6599DTR SO-16N Tape and reel L6599N DIP-16 Tube DIP-16 SO-16N www.st.com Block diagram STANDBY DIS ISEN_DIS GND Ifmin ISEN 0.8V 1.5V PFC_STOP Vcc VBOOT OUT CBOOT LC TANK CIRCUIT H.V. LVG UV DETECTION Vs HVG SYNCHRONOUS BOOTSTRAP DIODE HVG DRIVER LVG DRIVER Css CF DISABLE + - DIS LINE DEAD TIME + - + - LEVEL SHIFTER 12 8 7 4 3 1 9 6 10 11 14 15 16 RFmin 1.85V S Q R UVLO UVLO Q S R UVLO CONTROL LOGIC + - LINE_OK 1.25V 15 µA DIS ISEN_DIS 17V 6.3V VCO - + 1.25V STANDBY + - STBY 5 DRIVING LOGIC 2V 2 DELAY |
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