Texas Instruments 36V, 2A PowerWise® Adjustable Frequency Synchronous Buck Regulator Evaluation Module LM20242EVAL/NOPB LM20242EVAL/NOPB Datenbogen
Produktcode
LM20242EVAL/NOPB
V
IN
= 8V
±
36V
V
OUT
= +3.3V
I
OUT
= 2A
C1
4.7
é
F
C10
100
é
F
C6
0.1
é
F
R6
10.2k
R5
32.1k
J1
J2
ENABLE
GND
R1
10k
C8
2200 pF
R7
0
C2
4.7
é
F
R4
0
C11
1
é
F
J3
J4
PGOOD
J10
J9
C5
1
é
F
D1
R8
49.9k
R3
12.1k
C9
0.1
é
F
D2
C3
4.7
é
F
C4
0.1
é
F
L
M
2
0
2
4
2
FB
AGND
SW
GND
GND
GND
U1
14
11
12
2
10
9
SW
13
SW
8
SW
7
BOOT
17
VIN
16
VIN
15
VIN
6
VIN
5
EP
COMP
4
SS
1
RT
20
PGOOD
3
EN
19
VCC
18
C7
120 pF
R9
10.0k
R2
205k
L1
SNVS534E – OCTOBER 2007 – REVISED MARCH 2013
Figure 17. Typical Application Schematic
Table 3. Bill of Materials
ID
Qty
Part Number
Size
Description
Vendor
U1
1
LM20242MH
HTSSOP
IC, Switching Regulator
NSC
L1
1
MSS1260-153MX
MSS1260
15 µH, 4.6A ISAT
Coilcraft
C1-3
3
GRM32ER71H475KA88L
1210
4.7 µF, 50V, X7R
Murata
C4, 6, 9
3
VJ0805JY104KXX
0805
0.1 µF
Vishay
C5, 11
2
VJ0805Y105JXACW1BC
0805
1 µF
Vishay
C7
1
C1608COG1H121J
0603
120 pF
TDK
C8
1
VJ0805Y222J
0805
2.2 nF
Vishay
C10
1
C1210C107M9PAC
1210
100 µF
Kemet
D1, D2
2
MBR0540
SOD123
0.5A, 40V, Schottky
Fairchild
R1,9
2
CRCW06031002F
0603
10 k
Ω
Vishay
R2
1
CRCW08052053F
0805
205 k
Ω
Vishay
R3
1
CRCW08051212F
0805
12.1 k
Ω
Vishay
R4, 7
2
CRCW060330000ZOEA
0603
0 k
Ω
Vishay
R5
1
CRCW08053212F
0805
32.1 k
Ω
Vishay
R6
1
CRCW08051022F
0805
10.2 k
Ω
Vishay
R8
1
CRCW08054992F
0603
49.9 k
Ω
Vishay
22
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