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LM2596DSADJG

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25
LM2596
http://onsemi.com
22
THE LM2596 STEP−DOWN VOLTAGE REGULATOR WITH 5.0 V @ 3.0 A OUTPUT POWER CAPABILITY.
TYPICAL APPLICATION WITH THROUGH−HOLE PC BOARD LAYOUT
C1 − 100 mF, 50 V, Aluminium Electrolytic
C2 − 220 mF, 25 V, Aluminium Electrolytic
D1 − 3.0 A, 40 V, Schottky Rectifier, 1N5822
L1 − 33 mH, DO5040H, Coilcraft
R1 − 1.0 kW, 0.25 W
R2 − 3.0 kW, 0.25 W
Figure 31. Schematic Diagram of the 5.0 V @ 3.0 A Step−Down Converter Using the LM2596−ADJ
V
ref
= 1.23 V
R1 is between 1.0 k and 5.0 k
D1
1N5822
L1
33 mH
Output
2
R2
3.0 k
R1
1.0 k
Regulated
Output Filtered
V
out2
= 5.0 V @ 3.0 A
Unregulated
DC Input
C2
220 mF
/16 V
C1
100 mF
/50 V
LM2596−ADJ
1
53ON
/OFFGN
D
+V
in
+V
in
= 10 V to 40 V
4 Feedback
V
out
+ V
ref
)
ǒ
1.0 )
R2
R1
Ǔ
ON/OFF
Figure 32. Printed Circuit Board Layout
Component Side
Figure 33. Printed Circuit Board Layout
Copper Side
NOTE: Not to scale. NOTE: Not to scale.
C
FF
References
• National Semiconductor LM2596 Data Sheet and Application Note
• National Semiconductor LM2595 Data Sheet and Application Note
• Marty Brown “Practical Switching Power Supply Design”, Academic Press, Inc., San Diego 1990
• Ray Ridley “High Frequency Magnetics Design”, Ridley Engineering, Inc. 1995
LM2596
http://onsemi.com
23
ORDERING INFORMATION
Device Package Shipping
†
LM2596TADJG TO−220
(Pb−Free)
50 Units / Rail
LM2596TVADJG TO−220 (F)
(Pb−Free)
50 Units / Rail
LM2596DSADJG D
2
PAK
(Pb−Free)
50 Units / Rail
LM2596DSADJR4G D
2
PAK
(Pb−Free)
800 / Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
A = Assembly Location
WL = Wafer Lot
Y = Year
WW = Work Week
G = Pb−Free Package
TO−220
TV SUFFIX
CASE 314B
1
MARKING DIAGRAMS
5
TO−220
T SUFFIX
CASE 314D
D
2
PAK
DS SUFFIX
CASE 936A
LM
2596T−ADJ
AWLYWWG
LM
2596T−ADJ
AWLYWWG
15
LM
2596−ADJ
AWLYWWG
15
LM2596
http://onsemi.com
24
PACKAGE DIMENSIONS
TO−220
TV SUFFIX
CASE 314B−05
ISSUE L
V
Q
K
F
U
A
B
G
−P−
M
0.10 (0.254) P
M
T
5X J
M
0.24 (0.610) T
OPTIONAL
CHAMFER
S
L
W
E
C
H
N
−T−
SEATING
PLANE
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION D DOES NOT INCLUDE
INTERCONNECT BAR (DAMBAR) PROTRUSION.
DIMENSION D INCLUDING PROTRUSION SHALL
NOT EXCEED 0.043 (1.092) MAXIMUM.
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A 0.572 0.613 14.529 15.570
B 0.390 0.415 9.906 10.541
C 0.170 0.180 4.318 4.572
D 0.025 0.038 0.635 0.965
E 0.048 0.055 1.219 1.397
F 0.850 0.935 21.590 23.749
G 0.067 BSC 1.702 BSC
H 0.166 BSC 4.216 BSC
J 0.015 0.025 0.381 0.635
K 0.900 1.100 22.860 27.940
L 0.320 0.365 8.128 9.271
N 0.320 BSC 8.128 BSC
Q 0.140 0.153 3.556 3.886
S --- 0.620 --- 15.748
U 0.468 0.505 11.888 12.827
V --- 0.735 --- 18.669
W 0.090 0.110 2.286 2.794
5X
D
TO−220
T SUFFIX
CASE 314D−04
ISSUE F
−Q−
12345
U
K
D
G
A
B1
5 PL
J
H
L
E
C
M
Q
M
0.356 (0.014) T
SEATING
PLANE
−T−
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A 0.572 0.613 14.529 15.570
B 0.390 0.415 9.906 10.541
C 0.170 0.180 4.318 4.572
D 0.025 0.038 0.635 0.965
E 0.048 0.055 1.219 1.397
G 0.067 BSC 1.702 BSC
H 0.087 0.112 2.210 2.845
J 0.015 0.025 0.381 0.635
K 0.977 1.045 24.810 26.543
L 0.320 0.365 8.128 9.271
Q 0.140 0.153 3.556 3.886
U 0.105 0.117 2.667 2.972
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION D DOES NOT INCLUDE
INTERCONNECT BAR (DAMBAR) PROTRUSION.
DIMENSION D INCLUDING PROTRUSION SHALL
NOT EXCEED 10.92 (0.043) MAXIMUM.
B1 0.375 0.415 9.525 10.541
B
DETAIL A-A
B1
B
DETAIL A−A
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LM2596DSADJG

Mfr. #:
Buy LM2596DSADJG
Manufacturer:
ON Semiconductor
Description:
Switching Voltage Regulators 3A BUCK SWCH 150KHZ
Lifecycle:
New from this manufacturer.
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