www.德州仪器.com
TPS65140
TPS65145
SLVS497B–SEPTEMBER2003–REVISEDMARCH2004
electricalcharacteristics(持续)
V
在
=3.3v,en=vin,vo1=10v,t
一个
=-40
°
Cto85
°
c,typicalvaluesareatt
一个
=25
°
c(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
MAINBOOSTCONVERTER
Vo1Outputvoltagerange515V
V
O1
-vinminimuminputtooutput1v
voltagedifference
V
REF
referencevoltage1.2051.131.219v
feedbackregulationvolt-1.1361.1461.154
V
FB
V
age
I
FB
feedbackinputbiascur-10100na
rent
vo1=10v,i
sw
=500mA195290
n-mosfeton-阻抗
r
ds(在)
m
Ω
(q1)
vo1=5v,i
sw
=500mA285420
tps651401.62.32.6a
n-mosfetswitchcurrent
I
LIM
限制(q1)
tps651450.961.371.56a
vo1=10v,i
sw
=100mA915
p-mosfeton-阻抗
r
ds(在)
Ω
(q2)
vo1=5v,i
sw
=100mA1422
maximump-mosfetpeak
I
最大值
1A
switchcurrent
V
sw
=15V110
I
leak
SwitchleakagecurrentµA
V
sw
=0V110
0
°
C
≤
T
一个
≤
85
°
c1.2951.62.1
f
SW
OscillatorfrequencyMHz
-40
°
C
≤
T
一个
≤
85
°
c1.1911.62.1
lineregulation2.7v
≤
V
I
≤
5.7v;i
加载
=100ma0.012%/v
Loadregulation0mA
≤
I
O
≤
300ma0.2%/一个
NEGATIVECHARGEPUMPVo2
vo2outputvoltagerange-2v
V
ref
referencevoltage1.2051.2131.219v
feedbackregulationvolt-
V
FB
-36036mv
age
feedbackinputbiascur-
I
FB
10100nA
rent
q8p-channelswitch
4.38
r
ds(在)
r
ds(在)
I
O
=20mA
Ω
q9n-channelswitch
2.94.4
r
ds(在)
I
O
Minimumoutputcurrent20mA
7V
≤
Vo1
≤
15v,i
加载
=10ma,vo2=-5
lineregulation0.09%/v
V
Loadregulation1mA
≤
I
O
≤
20ma,vo2=-5v0.126%/毫安
POSITIVECHARGEPUMPVo3
Vo3Outputvoltagerange30V
V
ref
referencevoltage1.2051.2131.219v
feedbackregulationvolt-
V
FB
1.1871.2141.238v
age
feedbackinputbiascur-
I
FB
10100nA
rent
4
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