lm2599sx-5.0 National Semiconductor Corporation, lm2599sx-5.0 Datasheet - Page 30

• Manufacturer Part Number: lm2599sx-5.0
• Description: Simple Switcher Power Converter 150 Khz 3a Step-down Voltage Regulator, With Features
• Manufacturer: National Semiconductor Corporation

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Application Information
TYPICAL THROUGH HOLE PC BOARD LAYOUT, ADJUSTABLE OUTPUT (1X SIZE), DOUBLE SIDED
C
C
D1:
L1:
R
R
C
R
R
C
C
Thermalloy Heat Sink # 7020
IN
OUT
1
2
FF
FF
PULL UP
DELAY
SD/SS
:
:
:
:
:
:
— 47 µH, L39, Renco, Through Hole
— 1 k , 1%
— Use formula in Design Procedure
— 5A, 40V Schottky Rectifier, 1N5825
— See Figure 4 .
— See Application Information Section (C
:
— 470 µF, 50V, Aluminum Electrolytic Panasonic, “HFQ Series”
:
— 220 µF, 35V Aluminum Electrolytic Panasonic, “HFQ Series”
:
— 0.1 µF
— 0.1 µF
— 10k
FF
(Continued)
Section)
FIGURE 33. PC Board Layout
30
DS012582-52