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AMC1204_1108 датащи(PDF) 4 Page - Texas Instruments |
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AMC1204_1108 датащи(HTML) 4 Page - Texas Instruments |
4 / 30 page AMC1204 SBAS512B – APRIL 2011 – REVISED AUGUST 2011 www.ti.com ISOLATION CHARACTERISTICS PARAMETER TEST CONDITIONS VALUE UNIT Maximum working insulation voltage VIORM 1200 VPEAK per IEC VPD(t) Partial discharge test voltage per IEC t = 1s (100% production test), partial discharge < 5pC 2250 VPEAK t = 60s (qualification test) 4000 VPEAK VIOTM Transient overvoltage t = 1s (100% production test) 4000 VPEAK RS Isolation resistance VIO = 500V at TS > 109 Ω PD Pollution degree 2 Degrees ISOLATOR CHARACTERISTICS (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Shortest terminal to terminal distance L(I01) Minimum air gap (clearance) 7.9 mm through air Shortest terminal to terminal distance L(I02) Minimum external tracking (creepage) 7.9 mm across the package surface Tracking resistance CTI DIN IEC 60112/VDE 0303 part 1 ≥ 175 V (comparative tracking index) Minimum internal gap Distance through the insulation 0.014 mm (internal clearance) Input to output, VIO = 500V, all pins on each side of the barrier tied together to > 1012 Ω create a two-terminal device, TA < +85°C RIO Isolation resistance Input to output, VIO = 500V, > 1011 Ω +100 °C ≤ TA < TA max CIO Barrier capacitance input to output VI = 0.8VPP at 1MHz 1.2 pF CI Input capacitance to ground VI = 0.8VPP at 1MHz 3 pF (1) Creepage and clearance requirements should be applied according to the specific equipment isolation standards of a specific application. Care should be taken to maintain the creepage and clearance distance of the board design to ensure that the mounting pads of the isolator on the printed circuit board (PCB) do not reduce this distance. Creepage and clearance on a PCB become equal according to the measurement techniques shown in the Isolation Glossary section. Techniques such as inserting grooves and/or ribs on the PCB are used to help increase these specifications. 4 Copyright © 2011, Texas Instruments Incorporated |
Аналогичный номер детали - AMC1204_1108 |
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Аналогичное описание - AMC1204_1108 |
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