LM2596S-5.0 National Semiconductor, LM2596S-5.0 Datasheet - Page 29
![DC/DC Converter IC](/photos/19/2/190204/4243352_sml.jpg)
LM2596S-5.0
Manufacturer Part Number
LM2596S-5.0
Description
DC/DC Converter IC
Manufacturer
National Semiconductor
Datasheet
1.LM2596S-5.0.pdf
(31 pages)
Specifications of LM2596S-5.0
Input Voltage
40V
Output Current
3A
Output Voltage
5V
No. Of Pins
5
Termination Type
SMD
Mounting Type
Through Hole
Voltage Regulator Type
Buck Switching
Output Current Max
3A
Dc To Dc Converter Type
Inverting/Step Down
Number Of Outputs
1
Pin Count
5 +Tab
Switching Freq
173kHz
Efficiency
80%
Package Type
TO-263
Output Type
Fixed
Switching Regulator
Yes
Mounting
Surface Mount
Input Voltage (min)
4.5V
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM2596S-5.0
Manufacturer:
NS
Quantity:
33 134
Company:
Part Number:
LM2596S-5.0
Manufacturer:
NSC
Quantity:
5
Company:
Part Number:
LM2596S-5.0
Manufacturer:
NS
Quantity:
12
Company:
Part Number:
LM2596S-5.0
Manufacturer:
INTERSIL
Quantity:
135
Part Number:
LM2596S-5.0
Manufacturer:
NS
Quantity:
20 000
Part Number:
LM2596S-5.0P+
Manufacturer:
NS/国半
Quantity:
20 000
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
01258345
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