www.德州仪器.com
线条 规章制度 (mv)
(%
v)
V
O
5.5 V
V
Imin
100
1000
ELECTRICALCHARACTERISTICS
TPS726126
tps72615,tps72616
tps72618,tps72625
SLVS403F–MAY2002–REVISEDMAY2005
overrecommendedoperatingfree-airtemperaturerangev
I
=V
o(典型值)
+1v,i
O
=1ma,en=在,c
O
=1µf,c
I
=1µf(除非
otherwisenoted).typicalvaluesareat+25°c.
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
V
I
(1)
inputvoltage1.86v
I
O
Continuousoutputcurrent01A
bandgapvoltagereference1.1771.2201.263v
tps7261260µa<i
O
<1a1.8v
≤
V
I
≤
5.5v1.2221.261.298
tps726150µa<i
O
<1a1.8v
≤
V
I
≤
5.5v1.471.51.53
V
O
outputvoltagetps726160µa<i
O
<1a2.6v
≤
V
I
≤
5.5v1.5681.61.632v
tps726180µa<i
O
<1a2.8v
≤
V
I
≤
5.5v1.7641.81.836
tps726250µa<i
O
<1a3.5v
≤
V
I
≤
5.5v2.452.52.55
I
O
=0µA75120
IGroundcurrentµA
I
O
=1A210300
standbycurrenten<0.4v0.21µa
V
n
OutputnoisevoltageBW=200Hzto100kHzC
O
=10µF150µV
psrrripplerejectionf=1khz,c
o
=10µF60dB
Currentlimit
(2)
1.11.62.3a
Outputvoltagelineregulation
V
O
+1v<v
I
≤
5.5v–0.150.020.15%/v
(
∆
V
O
/v
O
)
(3)
outputvoltageloadregulation0µa<i
O
<1a–0.250.050.25%/一个
V
IH
enhighlevelinput1.3
V
V
IL
enlowlevelinput–0.20.4
I
I
ENinputcurrentEN=0VorV
I
0.01100na
UVLOthresholdV
CC
rising1.451.571.70v
UVLOhysteresisV
CC
rising50mV
UVLOdeglitchV
CC
rising10µs
UVLOdelayV
CC
rising100µs
TPS72625I
O
=1A170280
V
做
Dropoutvoltage
(4)
mV
TPS72618I
O
=1A210320
Minimuminputvoltageforvalid
1.3v
重置(v
RES
)
Tripthresholdvoltage909396%V
O
Hysteresisvoltage10mV
重置
t
(重置)
delaytime100200300ms
Risingedgedeglitch10µs
outputlowvoltage(at700µa)–0.30.4v
Leakagecurrent100nA
T
J
Operatingjunctiontemperature–40+125°C
(1)minimumv
在
is1.800vorv
O
+V
做
,whicheverisgreater.
(2)testconditionincludes,outputvoltagev
O
=V
O
–15%andpulseduration=10ms.
(3)v
Imin
=(v
O
+1)or1.8vwhicheverisgreater.
(4)dropoutvoltageisdefinedasthedifferentialvoltagebetweenv
O
andV
I
whenV
O
drops100mVbelowthevaluemeasuredwith
V
I
=V
O
+1v.
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