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Fujitsu ASSP Product
Power Management
(7) Power Supply Rejection Ratio
MB39C026G CH2 Test Condition:
EN2=VIN; EN1=0V
VO2=3.3V; IO2=100mA; Cin=0
Power Supply Rejection Ratio IO2=100mA
0
-10
VIN=3.7V
VIN=4.3V
-20
-30
-40
-50
-60
-70
-80
10
100
MB39C026L CH2 Test Condition:
EN2=VIN; EN1=0V
VO2=1.8V; IO2=100mA; Cin=0
Power Supply Rejection Ratio IO2=100mA
0
-10
VIN=3.7V
-20
VIN=4.3V
-30
-40
-50
-60
-70
-80
10
100
MB39C026 Evaluation Board
1000
10000
100000
Freq (Hz)
1000
10000
100000
Freq (Hz)
MB39C026J CH2 Test Condition:
EN2=VIN; EN1=0V
VO2=2.85V; IO2=100mA; Cin=0
0
Vin=3.7V
-10
Vin=4.3V
-20
-30
-40
-50
-60
-70
-80
10
1000000
MB39C026N CH2 Test Condition:
EN2=VIN; EN1=0V
VO2=1.2V; IO2=100mA; Cin=0
0
-10
VIN=3.7V
-20
VIN=4.3V
-30
-40
-50
-60
-70
-80
1000000
10
Power Supply Rejection Ratio IO2=100mA
100
1000
10000
Freq (Hz)
Power Supply Rejection Ratio IO2=100mA
100
1000
10000
Freq (Hz)
12/14
100000
1000000
100000
1000000
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