LMZ10501 Datasheet, PDF (8/22 Pages) National Semiconductor (TI) – 1A SIMPLE SWITCHER® Nano Module with 5.5V Maximum Input Voltage

Thermal Derating V_OUT = 3.3V, θ_JA = 120°C/W
1.2
VIN = 4.0V
1.0
VIN = 4.5V
VIN = 5.0V
VIN = 5.5V
0.8
0.6
0.4
0.2
0.0
60 70 80 90 100 110 120 130
AMBIENT TEMPERATURE (°C)
30124741
Conducted EMI
V_IN = 5.0V, V_OUT = 1.8V, I_OUT = 1A
Default evaluation board BOM with additional 1µH 1µF LC
input filter
80
Conducted Emissions
70
CISPR 22 Quasi Peak
CISPR 22 Average
60
50
40
30
20
10
0
100m
1
10
100
FREQUENCY (MHz)
30124750
Radiated EMI (CISPR22)
V_IN = 5.0V, V_OUT = 1.8V, I_OUT = 1A
Default evaluation board BOM
80
Emissions (Evaluation Board)
70
EN 55022 Class B Limit
EN 55022 Class A Limit
60
50
40
30
20
10
0
0
200 400 600 800 1000
FREQUENCY (MHz)
30124732
Startup
30124734
7
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