Application Information (Continued)
TYPICAL THROUGH HOLE PC BOARD LAYOUT, ADJUSTABLE OUTPUT (1X SIZE), DOUBLE SIDED,
THROUGH HOLE PLATED
DS012593-52
CIN — 150 µF/50V, Aluminum Electrolytic, Panasonic “HFQ series”
COUT — 120 µF/25V Aluminum Electrolytic, Panasonic “HFQ series”
D1 — 3A, 40V Schottky Rectifier, 1N5822
L1 — 68 µH, L30, Renco, Through hole
CFF — See Figure 4.
RFF — See Application Information Section (CFF Section)
RPULL-UP — 10 kΩ
CDELAY — 0.1 µF
R1 — 1 kΩ, 1%
CSD/SS — 0.1 µF
R2 — Use formula in Design Procedure
FIGURE 34. Adjustable Output PC Board Layout
31
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