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UC3842GP-S08-T Datasheet(PDF) 5 Page - Unisonic Technologies |
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UC3842GP-S08-T Datasheet(HTML) 5 Page - Unisonic Technologies |
5 / 8 page UC3842G LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 5 of 8 www.unisonic.com.tw QW-R103-036.C ELECTRICAL CHARACTERISTICS (Cont.) PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT OUTPUT SECTION Output Voltage With UVLO Active VOL(UVLO) VCC=6V,ISINK=0.1mA; VCC=7.5V,ISINK=1mA 0.8 1.1 V Output Voltage VOL ISINK=20mA 0.1 0.4 V ISINK=200mA 1.6 2.2 V VOH ISOURCE=20mA 13 14.5 V ISOURCE=200mA 12 14.6 V Output Voltage Rise and Fall time tR CL=1.0nF (Note 1) 100 150 nS tF CL=1.0nF (Note 1) 100 150 UNDER VOLTAGE LOCKOUT SECTION Startup Threshold VTH(STAR-UP) 13.5 15 16.5 V Min Operating Voltage VOPR(MIN) After Turn-ON 8.5 10 11.5 V PWM SECTION Max Duty Cycle DMAX 92 94 % Minimum Duty Cycle DMIN 0 % TOTAL DEVICE Power Supply Zener Voltage VZ ICC=25mA 30 39 V Power Operating Supply Current ICC Note 2 7 10 mA Startup Current ISTART-UP VCC=14V,UVLO Active 15 40 μA Note: 1. 2. 3. These parameters, although guaranteed, are not 100% tested in production. Parameters measured at trip point of latch with VFB=0. Gain defined as: A=ΔVCOMP/ΔVCS; 0≤VCS≤0.8V |
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