SM015A100JAN120 Datasheet, PDF (6/112 Pages) AVX Corporation – AVX Advanced Ceramic Capacitors for Power Supply, High Voltage and Tip and Ring Applications

SMPS Capacitors
Capacitor Selection and Performance
ASMLC CAPACITOR SELECTION
SMPS Design Information (SM, CH, CV, RH and SK Styles)
Absolute Maximum Output Capacitance
Assuming no ESL and no ESR
25
2 MHz
1 MHz _{50 mV Noise}
20
Due to
Capacitance
15
500 KHz
10
5
250 KHz
0
0
5
10
15
20
Maximum Output Filter Capacitance
( ␮F)
Absolute Maximum Capacitance ESL
Assuming no ESR - Capacitive Induced Ripple
25
DIP Leads
20
SK Series
50 mV Noise
15
Due to ESL
10
5
0
0
250 KHz
500 KHz
1 MHz
2 MHz
5
10
15
20
Maximum Output Filter Capacitance ESL
(nH)
Absolute Maximum Capacitance ESR
Assuming no ESL - Capacitive Induced Ripple
25
20
50 mV Noise
Due to ESR
15
10
5
0
0
10
20
30
40
Maximum Output Filter Capacitance ESR
(mOhm)
ASMLC CAPACITOR PERFORMANCE
Capacitance as Measured from dv/dt Slope
200 mA/ns Current Pulse
Measurement starts after Inductive Ring Decay
16
14
AI Electrolytic
15 ␮ F
12
MLC SM02
10 ␮ F
10
Wet Ta
10 ␮ F
8
Solid Ta
5.6 ␮ F
6
4
2
0
10 ^-9
10^-8
10^-7
Time (Seconds)
MLC SM04
4.7 ␮ F
10 ^-6
10^-5
5