LMZ10504EVAL National Semiconductor, LMZ10504EVAL Datasheet - Page 8

• 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