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| F Semiconductor S6510 SIMPLE BALLAST CONTROLLER Description The device provides simple and performance electronics ballast control function for the half bridge L/C resonant inverter. This device is optimized for electronics ballast requiring a minimum board area, reduced component count and low power dissipation. Internal soft start circuitry eliminates the need for an external soft start PTC resistor. The initial soft start frequency and soft start time can be easily adjusted depending on the types of lamp. Prevent burning out of switches in no lamp condition. Internal 18V regulator clamps Vcc line of supply voltage for eliminating an external zener diode. Features * * * * * * * No lamp protection Low Start up & Operating Current Internal Soft Start Flexible Soft Start Frequency Trimmed 1.5% internal Reference Under Voltage Lock Out with Hysteresis High Current Totem Pole Gate Drive Ordering Information Type NO. S6510 Marking S6510 Package Code SOP-8 Outline Dimensions unit : mm PIN Collection KSI-8012-001 1 Internal Block Diagram 2.5V Ref S6510 Under Voltage Lock Out Vcc ErrorAmplifier INV 0.4V 1 - + Feedback OVP 40uA Ref uvlo + 18V 8 + Vref A + 2.3V - Static OVP Vth(st) COMP 2 + GainK 0.5V Vref Vm2 10uA Dynamic OVP 40uA + 7 Self Starter S uvlo 6 Vs Q OUT MULT 3 Vm1 Vmo K= Vm1-(Vm2-Vref) 2V Drive Output GND Multiplier Vmo + 40k R + 2Vbe 5 Vz CS 4 5pF - IDET CurrentSense Comparator Zero Current Detector 2.0V 1.5V PIN Collection Pin Number 1 2 3 4 5 6 7 8 Pin Name Cs CT Rs Ldet GND OUT2 OUT1 Vcc Pin Function Description Soft start time capacitor connection pin. The pin charge time to Vref determines The preheating time of lamp. Timing capacitor connection pin. The timing capacitor is charged and discharged To generate the sawtooth waveform that determines the oscillator frequency in the internal oscillator. Soft start resistor connection pin. The soft start resistor value determines the initial soft start frequency for preheating. Input to the protection circuit. If the pin voltage is lower than Vref, the output oh The output driver1,2 is inhibited. Ground of the control Section. Gate drive output. A push pull output stage is able to drive the Power MOSFET With peak current of 400mA. Gate drive output. A push pull output stage is able to drive the Power MOSFET With peak current of 400mA. Supply Voltage of output driver and control circuits. KSI-8012-001 2 S6510 ABSOLUTE MAXIMUM RATINGS CHARACTERISTICS Supply Voltage Peak Drive Output Current Driver Output Clamping Diodes Vo>Vcc> or Vo<-0.3V Soft Start and No lamp detection Input Voltage Power Dissipation SYMBOL Vcc Ioh, IoI Iclamp Vin Pd VALUE 18 400 10 -0.3 to 6 0.8 UNITS V mA mA V W THERMAL DATA THERMAL RESISTANCE JUNCTION-AMBIENT Rth(j-amb) 100 /W Electrical Characteristics Vcc=12V, 0Ta105, unless otherwise stated. Characteristic Start Threshold Voltage UVLO Hysteresis Start up Supply Current Operating Supply Current Dynamic Operating Supply Current Maximum Supply Voltage ERROR AMPLIFIER SECTION Voltage Feedback Input Threshold Line Regulation Temperature Stability of Vref SOFT START SECTION Soft start Timing Current Rs Buffer Voltage OSCILLATOR SECTION Operating Frequency Operating Dead Time Soft Start Frequency Initial Soft Start Dead Time fos tod fss tsd Vcs=3V, Ct=470pF Vcs=3V, Ct=470pF Vcs=0V, Rs=22K Vcs=0V, Rs=22K 40 1 65 0.5 45 1.5 70 1 50 2 75 1.5 kHz us kHz us Ics Vrs Cs=0V, Ct=0V Rs=22K 0.5 1.9 2.5 2 5 2.1 uA V Vref Vref1 Vref2 Iref=0mA, Ta=25 12VVcc17V Temp= 0 to 75 1.95 0 2 0.1 15 2.05 10 V mV mV Symbol Vth(st) HT(st) Ist Icc Idcc Vcc(max) Test Condition Vcc Increasing Vcc=9V Output not switching 50kHz, CI=1nF Icc=30mA Min. 9.5 1.5 20 17 Typ. 10.5 2.5 50 3 5 18 Max. 11.5 3.5 80 6 10 19 Unit V V uA mA mA V SUPPLY VOLTAGE & CURRENT SECTION KSI-8012-001 3 S6510 Electrical Characteristics Vcc=12V, 0Ta105, unless otherwise stated. Characteristic OUTPUT SECTION Output Voltage High Output Voltage Low Rising Time Falling Time Output Voltage with UVLO Activated PROTECTION SECTION No Lamp Detect Voltage Vnd 1.9 2 2.1 V Voh Vol tr tf Vo(uvlo) Io=-10mA Io= 10mA CI=1nF CI=1nF Vcc=5V, Io=50uA 8.5 10 0.5 200 50 2 300 100 1 V V ns ns V Symbol Test Condition Min. Typ. Max. Unit KSI-8012-001 4 Electrical Characteristic Curves Fig. 1 Start up Supply Current vs. Supply Voltage S6510 Fig. 2 Operating Supply Current vs. Supply Voltage Fig. 3 UVLO Hysteresis vs. Supply Current Fig. 4 No Lamp Detect Voltage vs. Ldet Input Voltage Fig. 5 Maximum Supply Voltage vs. Supply Current KSI-8012-001 5 S6510 These AUK products are intended for usage in general electronic equipments(Office and communication equipment, measuring equipment, domestic electrification, etc.). Please make sure that you consult with us before you use these AUK products in equipments which require high quality and/or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, traffic signal, combustion central, all types of safety device, etc.). AUK cannot accept liability to any damage which may occur in case these AUK products were used in the mentioned equipments without prior consultation with AUK. KSI-8012-001 6 |
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