Fig.4.3.2
Measuring
method
of Ripple Voltage
BRFS/BRDS 4-23
Applications manual
For BRFS/BRDS series
(g) BRFS120/BRDS120
10 mV/div
2 μs/div
2 μs/div
10 mV/div
(h) BRFS150/BRDS150
Vin 12V,Vout1.2V, Load Cuurent 120A
Cin 22μF
×
2 , Cout 100μF
×
4
(Cout=Co1-4)
Vin 12V,Vout1.2V, Load Cuurent 150A
Cin 22μF
×
2 , Cout 100μF
×
4
(Cout=Co1-4)
-
-
100μF
-
-
-
100μF
-
100μF
Co3
Co4
100μF
100μF
100μF
100μF
100μF
100μF
100μF
100μF
100μF
100μF
BRFS50/50L/60,BRDS60
3
4
BRFS100/120/150,
BRDS100/120/150
-
Co0
Co1
Co2
2
1
No.
BRFS40,BRDS40
BRFS30/60S
・
BRDS60S
Model
Load
50mm
1.5m 50Ω
Coaxial cable
R
C
R=50Ω
C=0.01uF
+VIN
+VOUT
GND
Co2
DC
Input
Ci
+S
-S
RC
1mm
Co3
1mm
Co1
1mm
Co0
1mm
Co4
Oscilloscope
Bw :20MHz
22μF
×
4