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ELECTRICALCHARACTERISTICS
TPS62020
TPS62021
TPS62026
SLVS076C–JUNE2003–REVISEDDECEMBER2004
V
I
=3.6v,v
O
=1.8v,i
O
=600ma,en=vin,t
一个
=–40
°
Cto85
°
c,typicalvaluesareatt
一个
=25
°
c(unlessotherwisenoted)
(1)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
SUPPLYCURRENT
V
I
inputvoltagerange2.56.0v
I
(q)
OperatingquiescentcurrentI
O
=0ma,deviceisnotswitching1835µa
I
SD
shutdownsupplycurrenten=gnd0.11µa
V
UVLO
下面-voltagelockoutthreshold1.52.3v
ENABLEANDMODE
V
EN
enhighlevelinputvoltage1.4v
V
EN
enlowlevelinputvoltage0.4v
I
EN
eninputbiascurrenten=gndorvin0.011.0µa
V
(模式)
modehighlevelinputvoltage1.4v
V
(模式)
modelowlevelinputvoltage0.4v
I
(模式)
modeinputbiascurrentmode=gndorvin0.011.0µa
POWERSWITCH
p-channelmosfeton-resistancev
I
=V
GS
=3.6v115210m
Ω
r
ds(在)
p-channelmosfeton-resistancev
I
=V
GS
=2.5v145270m
Ω
I
lkg(p)
p-channelleakagecurrentv
DS
=6.0v1µa
n-channelmosfeton-resistancev
I
=V
GS
=3.6v85200m
Ω
r
ds(在)
n-channelmosfeton-resistancev
I
=V
GS
=2.5v115280m
Ω
I
ikg(n)
n-channelleakagecurrentv
DS
=6.0v1µa
I
L
p-channelcurrentlimit2.5v<v
I
<6.0v0.91.11.3a
Thermalshutdown150
°
C
振荡器
V
FB
=0.5v11.251.5mhz
f
S
Oscillatorfrequency
V
FB
=0V625kHz
输出
adjustableoutputtps62020,
V
O
0.7v
在
V
voltagerangeTPS62021
V
ref
referencevoltage0.5v
tps62020,v
I
=2.5vto6.0v;i
O
=0mA0%3%
V
FB
FeedbackvoltageTPS62021V
V
I
=2.5vto6.0v;0ma
≤
I
O
≤
600mA–3%3%
可调整的
V
I
=3.6vto6.0v;i
O
=0mA0%3%
V
O
fixedoutputvoltagetps620263.3vv
V
I
=3.6vto6.0v;0ma
≤
I
O
≤
600mA–3%3%
V
I
=V
O
+0.5v(min2.5v)to6.0v,i
O
=10
Lineregulation
(1)
0%/v
毫安
Loadregulation
(1)
I
O
=10mato600ma0%/毫安
LeakagecurrentintoSWpinV
I
>v
O
,0v
≤
V
SW
≤
V
I
0.11µa
I
ikg(sw)
ReverseleakagecurrentintopinSWV
I
=打开;en=地;v
SW
=6.0v0.11µa
fShortcircuitswitchingfrequencyV
FB
=0V625kHz
(1)thelineandloadregulationsaredigitallycontrolledtoassureanoutputvoltageaccuracyof
±
3%.
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