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ISO3086T Datasheet(PDF) 11 Page - Texas Instruments |
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ISO3086T Datasheet(HTML) 11 Page - Texas Instruments |
11 / 24 page ISO3086T www.ti.com SLLSE27C – JANUARY 2011 – REVISED JULY 2011 IEC INSULATION AND SAFETY RELATED SPECIFICATIONS FOR 16-DW PACKAGE over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT L(I01) Minimum air gap (Clearance(1)) Shortest terminal to terminal distance through air 8.3 mm L(I02) Minimum external tracking (Creepage(1)) Shortest terminal to terminal distance across the 8.1 mm package surface CTI Tracking resistance(Comparative Tracking DIN IEC 60112 / VDE 0303 Part 1 400 V Index) Minimum Internal Gap (Internal Clearance) Distance through the insulation 0.008 mm RIO Isolation resistance Input to output, VIO = 500 V, all pins on each >1012 Ω side of the barrier tied together creating a two-terminal device CIO Barrier capacitance Input to output VI = VCC/2 + 0.4 sin (2πft), f = 1 MHz, VCC = 5 V 2 pF CI Input capacitance to ground VIO = 0.4 sin (2πft), f = 1 MHz 2 pF (1) Creepage and clearance requirements should be 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 II Rated mains voltage ≤ 150 VRMS I-IV Installation classification Rated mains voltage ≤ 300 VRMS I-III Rated mains voltage ≤ 400 VRMS I-II IEC 60747-5-2 INSULATION CHARACTERISTICS(1) over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS SPECIFICATION UNIT VIORM Maximum working insulation voltage 566 VPK VPR Input to output test voltage Method b1, VPR = VIORM × 1.875, 1062 VPK 100% Production test with t = 1 s, Partial discharge < 5 pC Method a, After environmental tests subgroup 1, 906 VPR = VIORM × 1.6, t = 10 s, Partial discharge < 5pC After Input/Output Safety Test Subgroup 2/3, 680 VPR = VIORM x 1.2, t = 10 s, Partial discharge < 5 pC VIOTM Maximum transient overvoltage t = 60 s 4242 VPK VIOSM Maximum surge voltage Tested per IEC 60065 (Qualification Test) 4242 VPK RS Insulation resistance VIO = 500 V at TS > 109 Ω Pollution degree 2 (1) Climatic Classification 40/125/21 Copyright © 2011, Texas Instruments Incorporated 11 |
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