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RECOMMENDEDOPERATINGCONDITIONS
ELECTRICALCHARACTERISTICS
tps65130,tps65131
SLVS493B–MARCH2004–REVISEDSEPTEMBER2004
MINNOMMAXUNIT
V
I
inputvoltagerange2.75.5v
T
一个
operatingfree-airtemperaturerange-4085
°
C
T
J
operatingvirtualjunctiontemperaturerange-40125
°
C
overrecommendedfree-airtemperaturerangeandoverrecommendedinputvoltagerange,typicalatanambient
temperatureof25
°
c(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
直流-dcstage(v
POS
,v
NEG
)
Adjustableoutputvoltage
V
POS
V
在
+0.5v15v
范围
Adjustableoutputvoltage
V
NEG
-15-2v
范围
V
REF
ReferencevoltageI
REF
=10µa1.21.2131.225v
Positivefeedbackinput
I
FBP
V
FBP
=V
REF
50nA
biascurrent
Negativefeedbackinput
I
FBN
V
FBN
=0.1v
REF
50nA
biascurrent
positivefeedbackregu-
V
FBP
V
在
=2.7vto5.5v1.1891.2131.237v
lationvoltage
negativefeedbackregu-
V
FBN
V
在
=2.7vto5.5v-0.02400.024v
lationvoltage
TotalOutputDCaccuracy+3%
V
在
=3.6v440620
Inverterswitch
R
ds(onn)
m
Ω
在-阻抗
V
在
=5.0v330530
TPS65130Inverterswitch
I
LIMN
2.7v<v
在
<5.5v700800900ma
currentlimit
TPS65131Inverterswitch
I
LIM
V
在
=3.6v180019502200ma
currentlimit
V
POS
=5V230300
Boostswitch
R
ds(onp)
m
Ω
在-阻抗
V
POS
=10V170200
TPS65130Boostswitch
I
LIMP
2.7v<v
在
<5.5v700800900ma
currentlimit
TPS65131Boostswitch
I
LIMP
V
在
=3.6v,v
POS
=8.0v180019502200ma
currentlimit
Maximumdutycycleboost
D
MAXP
87.5%
转换器
maximumdutycyclein-
D
MAXN
87.5%
vertingconverter
Minimumdutycycleboost
D
MINP
12.5%
转换器
minimumdutycyclein-
D
MINN
12.5%
vertingconverter
CONTROLSTAGE
f
S
Oscillatorfrequency125013801500kHz
V
enp,enn,psp,psn
highlevelinputvoltage1.4v
V
enp,enn,psp,psn
lowlevelinputvoltage0.4v
enp,enn,psp,
I
enp,enn,psp,psn
inputcurrent0.010.1µa
PSN=GNDorVIN
R
BSW
Outputresistance27k
Ω
V
在
inputvoltagerange2.75.5v
3
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