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UC1584J Scheda tecnica(PDF) 2 Page - Texas Instruments |
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UC1584J Scheda tecnica(HTML) 2 Page - Texas Instruments |
2 / 8 page 2 UC1584 UC2584 UC3584 ABSOLUTE MAXIMUM RATINGS Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V VFLT Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V, 30V at 2A Supply Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA Analog Inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to 20V SYNC Maximum Sink Current . . . . . . . . . . . . . . . . . . . . . 600 µA PWM Driver, IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 300mA PWM Driver, IOUT (Peak). . . . . . . . . . . . . . . . . . . . . . . . . ± 1.5A Maximum Operating Frequency . . . . . . . . . . . . . . . . . . . . 1MHz Power Dissipation at TA = 60°C . . . . . . . . . . . . . . . . . . . . . . 1W Storage Temperature . . . . . . . . . . . . . . . . . . . . –65°C to 150°C Junction Temperature . . . . . . . . . . . . . . . . . . . . –55°C to 150°C Lead Temperature (Soldering, 10 sec.) . . . . . . . . . . . . . . 300°C Currents are positive into, negative out of specified terminal. Consult Packaging Section of Databook for thermal limitations and considerations of packages. CONNECTION DIAGRAMS DIL-16, SOIC-16 (Top View) J, N or DW Packages ELECTRICAL CHARACTERISTICS: Unless otherwise specified, TA = 0°C to 70°C for the UC3584, –40°C to 85°C for the UC2584, and –55°C to 125°C for the UC1584, VCC = 15V. TA =TJ. PARAMETERS TEST CONDITIONS MIN TYPE MAX UNITS Error Amplifier FB COMP = FB 1.468 1.5 1.532 V IFB VCOMP =VFB 150 300 450 nA COMP VOL FB = 1.6V, ICOMP = 200µA 50 400 mV COMP VOH FB = 1.4V, ICOMP = –200µA 5.1 5.5 7 V AVOL 60 80 dB PSRR (COMP) COMP = FB, VCC = 14V to 16V 60 dB GBW Product F = 100kHz 5 10 MHz Oscillator Frequency RT = 3.75k, CT = 400pF, No Synchronization 500 kHz Ramp Low RT = 3.75k, CT = 400pF, No Synchronization 1.75 V Ramp High RT = 3.75k, CT = 400pF, No Synchronization 3.5 V Ramp Amplitude RT = 3.75k, CT = 400pF, No Synchronization 1.75 V PWM Maximum Duty Cycle COMP = 4.5V 90 % Minimum Duty Cycle COMP = 0V 0 % PWM DRIVER VSAT High VFLT –VOUT,IOUT = –100mA 2.5 3 V VSAT Low VOUT –VSRC,IOUT = 50mA 0.8 2.2 V TRISE Load = 1nF, SRC = 0V, Measure VOUT 1V to 9V 75 100 ns TFALL Load = 1nF, SRC = 0V, Measure VOUT 9V to 1V 25 100 ns TEMPERATURE RANGE PACKAGE UC1584J –55°C to +125°C CDIP UC2584DW –40°C to +85°C SOIC-Wide UC2584N PDIP UC3584DW 0°C to +70°C SOIC-Wide UC3584N PDIP ORDERING INFORMATION |
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