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ISO721 bảng dữ liệu(PDF) 12 Page - Texas Instruments |
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ISO721 bảng dữ liệu(HTML) 12 Page - Texas Instruments |
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12 / 24 page ![]() DEVICE INFORMATION DEVICE I/O SCHEMATIC 13 W 8 W VCC2 EN 1MW Enable VCC2 500 W VCC2 Output OUT IN 1MW Input VCC1 VCC1 500 W VCC1 ISO721M-EP SLLS882 – JUNE 2008....................................................................................................................................................................................................... www.ti.com PACKAGE CHARACTERISTICS PARAMETER TEST CONDITIONS MIN TYP MAX UNIT L(101) Minimum air gap (Clearance) (1) Shortest terminal to terminal distance through air 4.8 mm Shortest terminal to terminal distance across the L(102) Minimum external tracking (Creepage) 4.3 mm package surface Tracking resistance (comparative tracking CTI DIN IEC 60112/VDE 0303 Part 1 ≥ 175 V index) Minimum internal gap (internal clearance) Distance through insulation 0.008 mm Input to output, VIO = 500 V, all pins on each side of the barrier tied together creating a two-terminal >1012 Ω device, TA < 100 °C RIO Isolation resistance Input to output, VIO = 500 V, >1011 Ω 100°C ≤ TA< TA max. Barrier capacitance CIO VI = 0.4 sin (4E6πt) 1 pF Input-to-output CI Input capacitance to ground VI = 0.4 sin (4E6πt) 1 pF (1) Creepage and clearance requirements are applied according to the specific equipment isolation standards of an application. Care should be taken to maintain the creepage and clearance distance of a board design to ensure that the mounting pads of the isolator on the printed circuit board do not reduce this distance. Creepage and clearance on a printed circuit board become equal according to the measurement techniques shown in the Isolation Glossary. Techniques such as inserting grooves and/or ribs on a printed circuit board are used to help increase these specifications. IEC 60664-1 RATINGS TABLE PARAMETER TEST CONDITIONS SPECIFICATION Basic isolation group Material group IIIa Rated mains voltage ≤150 VRMS I-IV Installation classification Rated mains voltage ≤300 VRMS I-III Equivalent Input and Output Schematic Diagrams 12 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): ISO721M-EP |
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