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ZIOL2102 bảng dữ liệu(PDF) 67 Page - List of Unclassifed Manufacturers |
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ZIOL2102 bảng dữ liệu(HTML) 67 Page - List of Unclassifed Manufacturers |
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67 / 91 page  ZIOL2xxx – IC Family IO-Link compliant HV Line Driver IC Family Data Sheet January 31, 2012 © 2012 Zentrum Mikroelektronik Dresden AG — Rev. 2.2.1 All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. The information furnished in this publication is PRELIMINARY and subject to changes without notice. 67 of 90 Figure 4.4 shows two layout variants as regards the component placement in the case the DC/DC converter is used in the application circuit. The in this figure shown PCBs are the PCBs of the ZIOL2xxx application kits (ZIOL2xxx LabKit: 2-layer-PCB/ ZIOL2xxx USB-Stick: 4-layer-PCB). The complete PCB documentation of the applications kit is available at ZMDI upon request and is part of the documentation package of the application kits. Another more optimized PCB layout recommendation for utilizing the on-chip DC/DC-converter shows Figure 3.24 in chapter 3.6.4. An appropriated explanation about the considerations behind this recommendation is give in this chapter as well and illustrated in Figure 3.23. Table 4.1 Recommended External Components Symbol Parameter Min Typ Max Unit Notes R1 R 14 1) 112 2) kΩ Value depends on desired output voltage. R2 R 10 kΩ R3 R -1% 49.9 +1% kΩ Low tolerance range resistor (1% class) R4 R -1% 210 +1% kΩ Low tolerance range resistor (1% class) L1 L 10 50 µH Optimal value depends on application requirements. C1 C 10 50 µF Low ESR recommended C2 C 100 nF Low ESR required C3 C 10 µF Low ESR recommended C4 C 100 nF Low ESR required C5 C 10 µF Low ESR recommended Schottky Diode VRRM 40 V D1 IF 0.2 A Recommended: small signal low cap schottky diode, e.g. TMMBAT48 (SGS-THOMSON) or similar device Schottky Diode VRRM 40 V D2, D3 IF 1.0 3) A Only in device applications Recommended: 10BQ040PBF (Vishay) or similar device Schottky Diode VRRM 40 V D4 – D7 IF 0.1 A Recommended: BAT64-04W ( nfineon) or similar device, The BAT64-04W has a SOT323 package with two diodes in series. Thus there only one component for one channel (one dual diode for D4/D5 and one dual diode for D6/D7). Q1 Optocoupler ACPL-217 (Avago Technologies) 1) R2 = 10kΩ, please refer to minimum output voltage Vout in Table 2.3 2) R2 = 10kΩ, please refer to maximum output voltage Vout in Table 2.3 3) Two channels in operation, each channel drives max. current 4) IMPORTANT: The ratio R4/R3 shall be 4.2084 +/- 2% |
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