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MIC2595R-2BM Datasheet(PDF) 5 Page - Micrel Semiconductor |
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MIC2595R-2BM Datasheet(HTML) 5 Page - Micrel Semiconductor |
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5 / 29 page  Micrel MIC2589/MIC2595 December 2005 5 M9999-120505 (408) 955-1690 Pin Desription (cont.) Pin Number Pin Name Pin Function 12 PWRGD2 (MIC25XX-1) Power-Good Output 2: Asserted when the following is true: (PWRGD1 = Asserted) AND (Time after Assertion of PWRGD1 = Time PWRGD2, as programmed by the capacitor on PGTIMER). Once PWRGD1 is asserted, the PGTIMER pin begins to charge and PWRGD2 will assert when PGTIMER crosses the PWRGD2 threshold (VTHRESH(PG2) = 0.63V, typical). Also see PWRGD1 and PGTIMER pin descriptions 12 /PWRGD2 (MIC25XX-2) /Power-Good Output 2: Asserted when the following is true: (/PWRGD1 = Asserted) AND (Time after Assertion of /PWRGD1 = Time /PWRGD2, as programmed by the capacitor on PGTIMER). Once /PWRGD1 is asserted, the PGTIMER pin begins to charge and /PWRGD2 will assert when PGTIMER crosses the /PWRGD2 threshold (VTHRESH(PG2) = 0.63V, typical). Also see /PWRGD1 and PGTIMER pin descriptions. 13 PWRGD3 (MIC25XX-1) Power-Good Output 3: Asserted when the following is true: (PWRGD1 = Asserted) AND (Time after Assertion of PWRGD1 = Time PWRGD3, as programmed by the capacitor on PGTIMER). Once PWRGD1 is asserted, the PGTIMER pin begins to charge and PWRGD3 will assert when PGTIMER crosses the PWRGD3 threshold (VTHRESH(PG3) = 1.15V, typical). Also see PWRGD1 and PGTIMER pin descriptions. 13 /PWRGD3 (MIC25XX-2) /Power-Good Output 3: Open Collector. Asserted when the following is true: (/PWRGD1 = Asserted) AND (Time after Assertion of /PWRGD1 = Time /PWRGD3, as programmed by the capacitor on PGTIMER). Once /PWRGD1 is asserted, the PGTIMER pin begins to charge and /PWRGD3 will assert when PGTIMER crosses the /PWRGD3 threshold (VTHRESH(PG3) = 1.15V, typical). Also see /PWRGD1 and PGTIMER pin descriptions. 14 VDD Positive Supply Input: Connect to the positive, or high side, terminal of the input power supply. |
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