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UCC3580-2 Datasheet(PDF) 3 Page - Texas Instruments |
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UCC3580-2 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 16 page 3 UCC1580-1,-2,-3,-4 UCC2580-1,-2,-3,-4 UCC3580-1,-2,-3,-4 ELECTRICAL CHARACTERISTICSUnless otherwise stated, all specifications are over the full temperature range, VDD = 12V, R1 = 18.2 k W , R2 = 4.41 kW ,CT = 130 pF, R3 = 100 kW ,COUT1 =0F,COUT2 =0F.TA = 0°C to 70°C for the UCC3580, 40°C to 85°C for the UCC2580, 55°C to 125°C for the UCC1580, TA =TJ. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Oscillator Section Frequency 370 400 430 kHz CLK Pulse Width 650 750 850 ns CLK VOH ICLK = 3 mA 4.3 4.7 V CLK VOL ICLK = 3 mA 0.3 0.5 V Ramp Generator Section Ramp VOL IRAMP = 100 mA 50 100 mV Flux Comparator Vth 3.16 3.33 3.50 V Pulse Width Modulator Section Minimum Duty Cycle OUT1, EAOUT = VOL 0 % Maximum Duty Cycle OUT1, EAIN = 2.6 V 63 66 69 % PWM Comparator Offset 0.1 0.4 0.9 V Error Amplifier Section EAIN EAOUT = EAIN 2.44 2.5 2.56 V IEAIN EAOUT = EAIN 150 400 nA EAOUT, VOL EAIN = 2.6 V, IEAOUT = 100 mA 0.3 0.5 V EAOUT, VOH EAIN = 2.4 V, IEAOUT = 100 mA 4 5 5.5 V AVOL 70 80 dB Gain Bandwidth Product f = 100 kHz (Note 1) 2 6 MHz Softstart/Shutdown Section Start Duty Cycle EAIN = 2.4 V 0 % SS VOL ISS = 100 mA 100 350 mV SS Restart Threshold 400 550 mV ISS –20 –35 mA SHTDWN VTH 0.4 0.5 0.6 V ISHTDWN 50 150 nA Undervoltage Lockout Section VDD On UCC3580-2,-4 14 15 16 V UCC3580-1,-3 8 9 10 V VDD Off 7.5 8.5 9.5 V LINE On 4.7 5 5.3 V LINE Off 4.2 4.5 4.8 V ILINE LINE=6V 50 150 nA Supply Section VDD Clamp IVDD =10mA 14 15 16 V IVDD Start VDD < VDD On 160 250 A IVDD Operating No Load 2.5 3.5 mA Output Drivers Section OUT1 VSAT High IOUT1 = 50 mA 0.4 1.0 V OUT1 VSAT Low IOUT1 =100 mA 0.4 1.0 V OUT2 VSAT High IOUT2 = 30 mA 0.4 1.0 V OUT2 VSAT Low IOUT2 = 30 mA 0.4 1.0 V OUT1 Fall Time COUT1 = 1nF, RS =3 W 20 50 ns OUT1 Rise Time COUT1 = 1nF, RS =3 W 40 80 ns OUT2 Fall Time COUT2 = 300pF, RS =10 W 20 50 ns OUT2 Rise Time COUT2 = 300pF, RS =10 W 20 40 ns |
Similar Part No. - UCC3580-2 |
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Similar Description - UCC3580-2 |
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