LM2595S-3.3 National Semiconductor, LM2595S-3.3 Datasheet - Page 26

• Manufacturer Part Number: LM2595S-3.3
• Description: IC, STEP-DOWN REGULATOR, TO-263-5
• Manufacturer: National Semiconductor

Specifications of LM2595S-3.3

• Primary Input Voltage: 12V
• No. Of Outputs: 1
• Output Voltage: 3.3V
• Output Current: 1A
• No. Of Pins: 5
• Operating Temperature Range: -25°C To +125°C
• Supply Voltage Range: 4.5V To 40V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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Application Information
C
C
D1 - 3A, 40V Schottky Rectifier, 1N5822
L1 - 68 µH, L30, Schott, Through hole
C
C
D1 - 3A, 40V Schottky Rectifier, 1N5822
L1 - 68 µH, L30, Schott, Through hole
R1 - 1 k , 1%
R2 - Use formula in Design Procedure
C
IN
OUT
IN
OUT
FF
- 150 µF, 50V, Aluminium Electrolytic Nichicon, “PL series”
- 150 µF, 50V, Aluminium Electrolytic Nichicon, “PL series”
- See Figure 3
- 120 µF, 25V Aluminium Electrolytic Nichicon, “PL series”
- 120 µF, 25V Aluminium Electrolytic Nichicon, “PL series”
TYPICAL THROUGH HOLE PC BOARD LAYOUT, ADJUSTABLE OUTPUT (1X SIZE)
TYPICAL THROUGH HOLE PC BOARD LAYOUT, FIXED OUTPUT (1X SIZE)
(Continued)
FIGURE 29. PC Board Layout
26
DS012565-44
DS012565-45