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UCC3813-5 Datasheet(PDF) 3 Page - List of Unclassifed Manufacturers |
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UCC3813-5 Datasheet(HTML) 3 Page - List of Unclassifed Manufacturers |
3 / 8 page 3 UCC2813-0/-1/-2/-3/-4/-5 UCC3813-0/-1/-2/-3/-4/-5 ELECTRICAL CHARACTERISTICSUnless otherwise stated, these specifications apply for –40°C £ TA £ +85°C for UCC2813-x; 0°C £ TA £ +70°C for UCC3813-x; VCC = 10V (Note 3); RT = 100k from REF to RC; CT=330pF from RC to GND; 0.1 mF capacitor from VCC to GND; 0.1mF capacitor from VREF to GND. TA =TJ. PARAMETER TEST CONDITIONS UCC2813-x UCC3813-x UNITS MIN TYP MAX Error Amplifier Section Input Voltage COMP = 2.5V; UCCx813-0/-1/-2/-4 2.42 2.50 2.56 V COMP = 2.0V; UCCx813-3/-5 1.92 2.0 2.05 V Input Bias Current –22 mA Open Loop Voltage Gain 60 80 dB COMP Sink Current FB = 2.7V, COMP = 1.1V 0.4 2.5 mA COMP Source Current FB = 1.8V, COMP = REF – 1.2V –0.2 –0.5 –0.8 mA Gain Bandwidth Product (Note 9) 2 MHz PWM Section Maximum Duty Cycle UCCx813-0/-2/-3 97 99 100 % UCCx813-1/-4/-5 48 49 50 % Minimum Duty Cycle COMP = 0V 0 % Current Sense Section Gain (Note 5) 1.10 1.65 1.80 V/V Maximum Input Signal COMP = 5V (Note 6) 0.9 1.0 1.1 V Input Bias Current –200 200 nA CS Blank Time 50 100 150 ns Over-Current Threshold 1.32 1.55 1.70 V COMP to CS Offset CS = 0V 0.45 0.90 1.35 V Output Section OUT Low Level I = 20mA, all parts 0.1 0.4 V I = 200mA, all parts 0.35 0.90 V I = 50mA, VCC = 5V, UCCx813-3/-5 0.15 0.40 V I = 20mA, VCC = 0V, all parts 0.7 1.2 V OUT High VSAT (VCC-OUT) I = –20mA, all parts 0.15 0.40 V I = –200mA, all parts 1.0 1.9 V I = –50mA,VCC = 5V, UCCx813-3/-5 0.4 0.9 V Rise Time CL = 1nF 41 70 ns Fall Time CL = 1nF 44 75 ns Undervoltage Lockout Section Start Threshold (Note 8) UCCx813-0 6.6 7.2 7.8 V UCCx813-1 8.6 9.4 10.2 V UCCx813-2/-4 11.5 12.5 13.5 V UCCx813-3/-5 3.7 4.1 4.5 V Stop Threshold (Note 8) UCC1813-0 6.3 6.9 7.5 V UCC1813-1 6.8 7.4 8.0 V UCCx813-2/-4 7.6 8.3 9.0 V UCCx813-3/-5 3.2 3.6 4.0 V Start to Stop Hysteresis UCCx813-0 0.12 0.3 0.48 V UCCx813-1 1.6 2 2.4 V UCCx813-2/-4 3.5 4.2 5.1 V UCCx813-3/-5 0.2 0.5 0.8 V |
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