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UC1826 Arkusz danych(PDF) 2 Page - Texas Instruments |
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UC1826 Arkusz danych(HTML) 2 Page - Texas Instruments |
2 / 12 page 2 UC1826 UC2826 UC3826 PLCC-28 (Top View) Q Packages ABSOLUTE MAXIMUM RATINGS Supply Voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Output Current Source or Sink . . . . . . . . . . . . . . . . . . . . . . 0.3A Analog Input Voltages . . . . . . . . . . . . . . . . . . . . . . . –0.3V to 7V ILIM, KILL, SEQ, ENBL, RUN, PWRSEN, PWROK –0.3V to 7V CLKSYN Current Source . . . . . . . . . . . . . . . . . . . . . . . . . 20mA RUN Current Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA SEQ Current Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA RDEAD Current Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA RAMP Current Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA Share Bus Voltage (voltage with respect to GND) . . 0V to 6.2V ADJ Voltage (voltage with respect to GND) . . . . . . 0.9V to 6.3V VEE (voltage with respect to GND) . . . . . . . . . . . . . . . . . –1.5V CONNECTION DIAGRAMS ELECTRICAL CHARACTERISTICS: Unless otherwise stated these specifications apply for TA = –55°C to +125°C for UC1826; –40°C to +85°C for UC2826; and 0°C to +70°C for UC3826; VCC = 12V, VEE = GND, Output no load, CT = 345pF, RT = 4k , RDEAD = 1000 , CRAMP = 345pF, RRAMP = 35.2k ,RCLKSYN = 1k, TA =TJ. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Current Error Amplifier Ib 0.5 3 A Vio TA = +25°C 0.75 3 mV Over Temperature 5 mV Avo 60 90 dB GBW (Note 2) Acl = 10, RIN = 1k, CC = 15pF, f = 200kHz (Note 1) 45 70 MHz Vol IO = 1mA, Voltage above VEE 0.5 V Voh IO = 0mA 3.8 V IO = –1mA 3.5 V Voltage Error Amplifier Ib 0.5 3 A Vio 5mV Avo 60 90 dB Storage Temperature . . . . . . . . . . . . . . . . . . . –65°C to +150°C Junction Temperature . . . . . . . . . . . . . . . . . . . –65°C to +150°C Lead Temperature (Soldering, 10 sec.) . . . . . . . . . . . . . +300°C All voltages with respect to VEE except where noted; all cur- rents are positive into, negative out of the specified terminal. Consult Packaging Section of Databook for thermal limitations and considerations of packages. RECOMMENDED OPERATING CONDITIONS Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V to 20V Sink/Source Output Current . . . . . . . . . . . . . . . . . . . . . . 250mA Timing Resistor RT . . . . . . . . . . . . . . . . . . . . . . . . . . 1k to 200k Timing Capacitor CT . . . . . . . . . . . . . . . . . . . . . . . . 75pF to 2nF DIL-24, SOIC-24 (Top View) J or N, DW Packages |
Podobny numer części - UC1826 |
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Podobny opis - UC1826 |
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