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KA3525AD Datasheet(PDF) 2 Page - Fairchild Semiconductor |
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KA3525AD Datasheet(HTML) 2 Page - Fairchild Semiconductor |
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2 / 5 page  KA3525A SMPS CONTROLLER ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VCC = 20V, TA = -35 Î to + 85Î, unless otherwise specified) Characteristic Symbol Value Unit Supply Voltage VCC 40 V Collector Supply Voltage VC 40 V Output Current, Sink or Source IO 500 mA Reference Output Current IREF 50 mA Oscillator Charging Current ICHG(OSC) 5mA Power Dissipation (TA = 25 Î) PD 1000 m/W Operating Temperature TOPR 0 ~ +70 Î Storage Temperature TSTG -65 ~ +150 Î Lead Temperature (Soldering, 10 sec) TLEAD +300 Î Characteristic Symbol Test Conditions Min Typ Max Unit REFERENCE SECTION Reference Output Voltage VREF TJ = 25 Î 5.0 5.1 5.2 V Line Regulation LVREF VCC = 8 to 35V 9 20 mV Load Regulation LVREF IREF = 0 to 20mA 20 50 mV Short Circuit Output Current ISC VREF = 0, TJ = 25 Î 80 100 mA Total Output Variation (Note 1) LVREF Line, Load and Temperature 4.95 5.25 V Temperature Stability (Note 1) STT 20 50 mV Long Term Stability (Note 1) ST TJ = 125 Î, 1 KHRS 20 50 mV OSCILLATOR SECTION Initial Accuracy (Note 1, 2) ACCUR TJ = 25 Î ä3 ä6 % Frequency Change With Voltage Lf/LVCC VCC = 8 to 35V (Note 1, 2) ä0.8 ä2 % Maximum Frequency f(MAX) RT = 2K `, CT = 470pF 400 430 KHz Minimum Frequency f(MIN) RT = 200K `, CT = 0.1sF 60 120 Hz Clock Amplitude (Note 1, 2) V(CLK) 34 V Clock Width (Note 1, 2) tW(CLK) TJ = 25 Î 0.3 0.6 1 ss Sync Threshold VTH(SYNC) 1.222.8 V Sync Input Current II(SYNC) Sync = 3.5V 1.3 2.5 mA |
Similar Part No. - KA3525AD |
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Similar Description - KA3525AD |
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