551011367-011/NOPB National Semiconductor, 551011367-011/NOPB Datasheet - Page 31

• Manufacturer Part Number: 551011367-011/NOPB
• Description: BOARD WEBENCH BUILD IT LM2598
• Manufacturer: National Semiconductor
• Series: WEBENCH® Buildit Boardr

Specifications of 551011367-011/NOPB

• Main Purpose: DC/DC, Step Down
• Regulator Topology: Buck
• Board Type: Bare (Unpopulated)
• Utilized Ic / Part: LM2598, LM2670, LM2673, LM2676, LM2677, LM2678, LM2679
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Output: -
• Voltage - Input: -
• Power - Output: -
• Frequency - Switching: -
• Outputs And Type: -
• Other names: *551011367-011; *551011367-011/NOPB; 551011367-011

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