L6599

L6599 High-voltage resonant controller Not for new design Features ■ 50 % duty cycle, variable frequency control of resonant half-bridge ■ High-accuracy oscillator ■ Up to 500 kHz 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 ■ 600 V-rail compatible high-side gate driver with integrated bootstrap diode and high dV/dt immunity ■ -300/800 mA high-side and low-side gate drivers with UVLO pull-down ■ DIP-16, SO-16N packages Figure 1. Block diagram DIP-16 SO-16N Table 1. Order code Order codes Package L6599D SO-16N L6599DTR SO-16N L6599N DIP-16 Packaging Tube Tape and reel Tube Applications ■ LCD and PDP TV ■ Desktop PC, entry-level server ■ Telecom SMPS ■ AC-DC adapter, open frame SMPS DIS 8 DISABLE + 1.85V - STBY 5 1.25V UVLO + Ifmin RFmin 4 + - Css 1 CF 3 VCO SQ R DIS STANDBY Vcc 12 17V 2V CONTROL LOGIC 2 UV DETECTION UVLO SYNCHRONOUS BOOTSTRAP DIODE DEAD TIME DRIVING LOGIC HVG DRIVER LEVEL SHIFTER LVG DRIVER ISEN_DIS QS R 6.3V 1.25V 15 µA 7 + UVLO + - + - LINE_OK ISEN_DIS DIS STANDBY 1.5V 0.8V Vs DELAY LINE H.V. 16 VBOOT 15 HVG 14 OUT 11 LVG 10 GND 6 ISEN 9 PFC_STOP CBOOT LC TANK CIRCUIT February 2009 Rev 3 This is information on a product still in production but not recommended for new design...