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TYPICALCHARACTERISTICS
TableofGraphs
40
45
50
55
60
65
70
75
80
85
90
95
100
0.010 0.100 1
10 100 1000
V
O
= 3.3 v
V
I
= 3.7 v
V
I
= 5 v
efficency − %
I
L
− 加载 电流 − 毫安
40
45
50
55
60
65
70
75
80
85
90
95
100
0.010 0.100 1
10 100 1000
效率 − %
I
L
−load 电流 − 毫安
V
O
= 1.8 v
V
I
= 2.7 v
V
I
= 3.7 v
V
I
= 5 v
tps62200,tps62201
tps62202,tps62203,tps62207
tps62204,tps62205,tps62208
SLVS417D–MARCH2002–REVISEDMAY2004
计算数量
vsloadcurrent3,4,5
η
效率
vsInputvoltage6
I
Q
NoloadquiescentcurrentvsInputvoltage7
f
s
SwitchingfrequencyvsTemperature8
V
o
OutputvoltagevsOutputcurrent9
r
ds
(在)-p-channelswitch,vsinputvoltage10
r
ds
(在)
r
ds
(在)-n-channelrectifierswitchvsinputvoltage11
Linetransientresponse12
Loadtransientresponse13
Powersavemodeoperation14
开始-up15
EFFICIENCYEFFICIENCY
vsvs
LOADCURRENTLOADCURRENT
figure3.figure4.
8
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