LM2596T33 National Semiconductor, LM2596T33 Datasheet - Page 29

• Manufacturer Part Number: LM2596T33
• Description: SWITCHING REG, 3A 3.3V, 2596, TO-220
• Manufacturer: National Semiconductor

Specifications of LM2596T33

• Primary Input Voltage: 12V
• No. Of Outputs: 1
• Output Voltage: 3.3V
• Output Current: 3A
• Voltage Regulator Case Style: TO-220
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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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