lm2596sx-12 National Semiconductor Corporation, lm2596sx-12 Datasheet - Page 29

• Manufacturer Part Number: lm2596sx-12
• Description: Simple Switcher Power Converter 150 Khz 3a Step-down Voltage Regulator
• Manufacturer: National Semiconductor Corporation

Application Information
TYPICAL THROUGH HOLE PC BOARD LAYOUT, ADJUSTABLE OUTPUT (1X SIZE), DOUBLE SIDED
C
C
D1 — 5A, 40V Schottky Rectifier, 1N5825
L1 — 47 µH, L39, Renco, Through Hole
R
R
C
Thermalloy Heat Sink # 7020
IN
OUT
1
2
FF
— 1 k , 1%
— Use formula in Design Procedure
— 470 µF, 50V, Aluminum Electrolytic Panasonic, “HFQ Series”
— See Figure 3 .
— 220 µF, 35V Aluminum Electrolytic Panasonic, “HFQ Series”
(Continued)
FIGURE 29. PC Board Layout
29
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