4.3 Ripple Voltage
Fig. 4.3.1
Ripple Voltage
of BRNS at 25
℃
Fig. 4.3.2
Measuring
method
of Ripple Voltage
BRNS 4-7
(a) BRNS6
1 μs/div
5 mV/div
Vin 12V
Vout1.2V
Load Current 6A
1 μs/div
5 mV/div
(b) BRNS12
Vin 12V
Vout1.2V
Load Current 20A
(
c
) BRNS20
Vin 12V
Vout1.2V
Load Current 12A
Oscilloscope
Bw:20MHz
R
C
R=50Ω
C=0.01uF
1.5m 50Ω
Coaxial cable
Load
25mm
Cout2
3mm
Cout1
+VIN +VOUT
GND
DC
Input
Cin
+S
-S
900μF
3
BRNS20
22μF×3
100μF
47μF
900μF
2
BRNS12
22μF×2
47μF
900μF
No.
Model
Cin
Cout1
Cout2
1
BRNS6
22μF×2
1 μs/div
10 mV/div
100
100
100
Applications manual
For BRNS series