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ECLLQFP32EVB датащи(PDF) 2 Page - ON Semiconductor |
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ECLLQFP32EVB датащи(HTML) 2 Page - ON Semiconductor |
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2 / 22 page ![]() ECLLQFP32EVB http://onsemi.com 2 Figure 2. Bottom View of the 32-lead LQFP Evaluation Board Bottom View Enlarged Bottom View Figure 3. Evaluation Board Lay-up LAY-UP DETAIL 4 LAYER LAYER 1 (TOP SIDE) 1 OZ ROGERS 4003 0.008 in LAYER 2 (GROUND PLANE P1) 1 OZ FR-4 0.020 in LAYER 3 (GROUND, VCC & VEE, PLANE P2) 1 OZ FR-4 0.025 in LAYER 4 (BOTTOM SIDE) 1 OZ SILKSCREEN (TOP SIDE) 0.062 $ 0.007 Board Layout The 32-lead LQFP evaluation board was designed to be versatile and accommodate several different configurations. The input, output, and power pin layout of the evaluation board is shown in Figures 4 and 5. The evaluation board has at least thirteen possible configurable options. Table 1, list the devices and the relevant configuration that utilizes this PCB board. Lists of components and simple schematics are located in Figures 6 through 18. Place SMA connectors on J1 through J32, 50 W chip resistors between ground pad and Pin 1 pad through Pin 32 pad, and chip capacitors C1 through C5 according to configuration figures. (C4 and C5 are 0.01 mF and C1, C2, and C3 are 0.1 mF); (See Figure 5). |
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