L6599N STMicroelectronics

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 DIP-16 SO-16N Two-level OCP: frequency-shift and latched shutdown Table 1. Order code Interface with PFC controller Order codes Package Packaging Latched disable input L6599D SO-16N Tube Burst-mode operation at light load L6599DTR SO-16N Tape and reel Input for power-ON/OFF sequencing or L6599N DIP-16 Tube brownout protection Non-linear soft-start for monotonic output Applications voltage rise 600 V-rail compatible high-side gate driver with LCD and PDP TV integrated bootstrap diode and high dV/dt Desktop PC, entry-level server immunity Telecom SMPS -300/800 mA high-side and low-side gate AC-DC adapter, open frame SMPS drivers with UVLO pull-down DIP-16, SO-16N packages Figure 1. Block diagram Vcc H.V. 12 16 V BOOT DISABLE DIS 8 + DIS 15 HVG S Q UV - HVG 1.85V C 17V BOOT DETECTION R DRIVER SYNCHRONOUS 14 UVLO BOOTSTRAP DIODE STBY 5 UVLO OUT - STANDBY LC TANK LEVEL CIRCUIT + 1.25V SHIFTER Vs DRIVING Ifmin LOGIC 11 LVG DEAD LVG DRIVER + 2V TIME 10 - RFmin 4 + ISEN DIS GND Q S - 1.5V R UVLO 6 ISEN Css 1 + - 0.8V CONTROL LOGIC 9 PFC STOP - LINE OK 1.25V 6.3V + ISEN DIS CF 3 15 DIS VCO A STANDBY 2 7 DELAY LINE February 2009 Rev 3 1/36 This is information on a product still in production but not recommended for new designs. www.st.com 36Contents L6599 Contents 1 Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Typical system block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4.1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 Typical electrical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7.1 Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7.2 Operation at no load or very light load . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 7.3 Soft-start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 7.4 Current sense, OCP and OLP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 7.5 Latched shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 7.6 Line sensing function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 7.7 Bootstrap section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 7.8 Application example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 8 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 2/36