LM2599S-5.0/NOPB National Semiconductor, LM2599S-5.0/NOPB Datasheet - Page 30

• Manufacturer Part Number: LM2599S-5.0/NOPB
• Description: IC REG SIMPLE SWITCHER TO-263-7
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2599S-5.0/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 3A
• Frequency - Switching: 150kHz
• Voltage - Input: 4.5 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (7 leads + tab)
• Msl: MSL 3 - 168 Hours
• Termination Type: SMD
• Voltage Regulator Type: Buck Switching
• Output Current Max: 3A
• Peak Reflow Compatible (260 C): Yes
• Output Voltage Max: 5V
• Rohs Compliant: Yes
• For Use With: 551011367-021 - BOARD WEBENCH BUILD IT LM2599
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2599S-5.0; *LM2599S-5.0/NOPB; LM2599S-5.0

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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