MB3821 데이터 시트보기 (PDF) - Fujitsu
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MB3821 Datasheet PDF : 24 Pages
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MB3821
s REFERENCE DATA
• Load characteristic
Conversion efficiency vs. load current
100
VRiTn = 106 kVΩ
95 CT = 500 pF
VXCS1 = 5 V
90
VXCS2 = 0 V
85
80
3.3 V output (5 V output OFF)
Vin = 6 V
Vin = 16 V
75
70
Normal mode (SEL= 0V)
65
60
55
50
45
40
0.001
0.005 0.01
Low power mode (SEL= 5V)
0.05 0.1
0.5 1
5 10
Load current IO (A)
Conversion efficiency vs. load current
5V output (3.3V output OFF)
100
95 RT = 10 kΩ
CT = 500 pF
90
VXCS1 = 5 V
85
VXCS2 = 0 V
Vin = 6 V
Vin = 16 V
80
75
Normal mode (SEL= 0V)
70
65
60
55
Low power mode (SEL= 5V)
50
45
40
0.001
0.005 0.01
0.05 0.1
0.5 1
Load current IO (A)
5 10
• Normal mode
Conversion efficiency vs. Input voltage
Conversion efficiency vs. Input voltage
100
3.3 V output (5 V output OFF)
95
90
85
80
75
70
56
RT = 10 kΩ
CT = 500 pF
IO = 1 A
VXCS1 = 5 V
VXCS2 = 0 V
SEL = 0 V
7 8 9 10 11 12 13 14 15 16
Input voltage Vin (V)
100
5 V output (3.3 V output OFF)
95
90
85
RT = 10 kΩ
80
CT = 500 pF
IO = 1 A
75
VXCS1 = 0 V
VXCS2 = 5 V
SEL = 0 V
70
5 6 7 8 9 10 11 12 13 14 15 16
Input voltage Vin (V)
(Continued)
20
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