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80
70
60
50
40
30
20
10
0
0
1.2
1.0
0.8
0.6
0.4
0.2
0.0
60
70
AMBIENT TEMPERATURE (° C)
Input LC Filter for Conducted EMI
MODULE
INPUT
Cf = 0603YD105MAT AVX
Lf = VLS252015T-1R0N1R7 TDK
SNVA491B – August 2011 – Revised April 2013
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Radiated EMI
Emissions (Evaluation Board)
EN 55022 Class B Limit
EN 55022 Class A Limit
200
400
600
800
FREQUENCY (MHz)
Thermal Derating
VIN = 3.3V
VIN = 3.6V
VIN = 5.0V
VIN = 5.5V
80
90
100 110 120 130
FILTER
AN-2166 LMZ10501 and LMZ10500 SIMPLE SWITCHER
Copyright © 2011–2013, Texas Instruments Incorporated
1.5
1.4
1.3
1.2
1.1
1.0
1000
2.5
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.0
Conducted EMI with the Input LC Filter
80
70
60
50
40
30
20
10
0
100m
Typical Performance for V
DC Current Limit
T A = 85° C
3.0
3.5
4.0
4.5
5.0
INPUT VOLTAGE (V)
Dropout Voltage
VIN = 2.7V
VIN = 3.3V
VIN = 3.6V
VIN = 4.0V
0.2
0.4
0.6
0.8
LOAD CURRENT (A)
Conducted Emissions
CISPR 22 Quasi Peak
CISPR 22 Average
1
10
FREQUENCY (MHz)
®
Nano Module
Evaluation Board
= 1.8V
OUT
5.5
1.0
100
7
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