LMZ10504EVAL National Semiconductor, LMZ10504EVAL Datasheet - Page 8
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LMZ10504EVAL
Manufacturer Part Number
LMZ10504EVAL
Description
BOARD EVAL PWR MODULE LMZ10504
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Specifications of LMZ10504EVAL
Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Voltage - Output
2.5V
Current - Output
4A
Voltage - Input
2.95 ~ 5.5 V
Regulator Topology
Buck
Frequency - Switching
1MHz
Board Type
Fully Populated
Utilized Ic / Part
LMZ10504
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Other names
LMZ10504EVAL/NOPB
www.national.com
Circuit Example: Complies with EN55022 Class B Radiated Emissions
Designator
FIGURE 20. Radiated Emissions (EN55022, Class B)
R
C
R
C
C
C
C
C
R
U1
comp
comp
FIGURE 19. Component Schematic, V
in1
in2
in3
O1
fbb
SS
fbt
Tested on LMZ10503 Evaluation Board
V
IN
180 pF, ±5%, C0G, 50V
SIMPLE SWITCHER®
10 nF, ±5%, C0G, 50V
= 5V, V
100 µF, X5R, 6.3V
4.7 µF, X5R, 6.3V
47 µF, X5R, 6.3V
1 µF, X7R, 16V
Description
34.8 kΩ
1.1 kΩ
75 kΩ
OUT
= 2.5V, I
OUT
= 3A
IN
TO-PMOD-7
= 5V, V
30111338
Case Size
TABLE 3. Bill of Materials
0805
0805
1210
1812
0805
0805
0805
0603
0805
OUT
= 2.5V, Complies with EN55022 Class B Radiated Emissions
8
Semiconductor
Manufacturer
FIGURE 21. Radiated Emissions (EN55022, Class B)
Vishay Dale
Vishay Dale
Vishay Dale
National
TDK
TDK
TDK
TDK
TDK
TDK
Tested on LMZ10504 Evaluation Board
V
IN
= 5V, V
LMZ10503/4/05TZ-ADJ
CRCW080575K0FKEA
CRCW080534K8FKEA
CRCW08051K10FKEA
OUT
C2012X7R1C105K
C3225X5R0J476M
C4532X5R0J107M
C1608C0G1H181J
C2012C0G1H103J
Manufacturer P/N
C2012X5R0J475K
= 2.5V, I
30111325
OUT
= 4A
30111326
Quantity
1
1
1
1
1
1
1
1
1
1