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RECOMMENDEDOPERATINGCONDITIONS
ELECTRICALCHARACTERISTICS
TPS65012
SLVS504A–MARCH2004–REVISEDJANUARY2005
MINNOMMAXUNIT
V
(交流)
supplyvoltagefromacadapter4.55.5v
V
(usb)
supplyvoltagefromusb4.45.25v
V
i(主要的)
,v
i(核心),
V
CC
inputvoltagerangestep-downconverters2.56.0v
outputvoltagerangeformainstep-向下
V
o(主要的)
2.53.3v
convertor
V
i(ldo1)
,v
i(ldo2)
inputvoltagerangeforldos1.86.5v
T
一个
operatingambienttemperaturerange-4085
°
C
T
J
operatingjunctiontemperaturerange-40125
°
C
V
i(主要的)
=V
i(核心)
=V
CC
=V
i(ldo1)
=V
i(ldo2)
=3.6v,t
一个
=-40
°
Cto85
°
c,typicalvaluesareatt
一个
=25
°
Cbatterycharger
specificationsarevalidintherange0
°
c<t
一个
<85
°
Cunlessotherwisenoted
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
controlsignals:低_pwr,sclk,sdat(输入)
V
IH
HighlevelinputvoltageI
IH
=20µA
(1)
2V
CC
V
V
IL
LowlevelinputvoltageI
IL
=10µa00.8v
I
IB
inputbiascurrent0.011.0µa
controlsignals:铅_onoff,hot_重置,batt_覆盖
V
IH
HighlevelinputvoltageI
IH
=20µA
(1)
0.8v
CC
6V
V
IL
LowlevelinputvoltageI
IL
=10µa00.4v
R
(铅_onoff)
pulldownresistoratpb_onoff1000k
Ω
R
(hot_重置)
pullupresistorathot_重置,1000k
Ω
connectedtoVCC
R
(batt_覆盖)
pulldownresistoratbatt_cover2000k
Ω
t
(glitch)
de-glitchtimeatall3pins385677ms
Delayaftert
(glitch)
(pwrfailgoeslow)
t
(batt_覆盖)
beforesuppliesaredisabledwhen1.682.43.2ms
batt_covergoeslow.
controlsignals:mpu_重置,pwrfail,respwron,int,sdat(输出)
V
OH
Highleveloutputvoltage6V
V
OL
LowleveloutputvoltageI
IL
=10ma00.3v
t
d(mpu_nreset)
durationoflowpulseatmpu_reset100µs
t
d(nrespwron)
durationoflowpulseatrespwronchgconfig<7>=0(default)80010001200
ms
afterVLDO1isinregulation
chgconfig<7>=1496989
TimebetweenUVLOgoingactive
t
d(uvlo)
(pwrfailgoinglow)andsuppliesbeing1.682.43.2ms
无能
timebetweenchipover-温度
t
d(overtemp)
conditionbeingrecognized(pwrfail1.682.43.2ms
goinglow)andsuppliesbeingdisabled
supplypin:vcc
V
I
=3.6v,currentintomain+core+
I
(q)
Operatingquiescentcurrent58µA
V
CC
V
I
=3.6v,batt_覆盖=地,
I
o(sd)
Shutdownsupplycurrent1525µA
CurrentintoMain+Core+V
CC
vmainstep-downconverter
V
I
inputvoltagerange2.56.0v
I
O
Maximumoutputcurrent1000mA
I
o(sd)
shutdownsupplycurrentbatt_覆盖=gnd0.11µa
r
ds(在)
p-channelmosfeton-resistancev
i(主要的)
=V
GS
=3.6v110210m
Ω
I
lkg(p)
p-channelleakagecurrentv
(ds)
=6.0v1µa
(1)iftheinputvoltageishigherthanv
CC
,anadditionalinputcurrent,limitedbyaninternal10-k
Ω
resister,flows.
3

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www.德州仪器.com RECOMMENDEDOPERATINGCONDITIONS ELECTRICALCHARACTERISTICS TPS65012 SLVS504A–MARCH2004–REVISEDJANUARY2005 MINNOMMAXUNIT V (交流) supplyvoltagefromacadapter4.55.5v V (usb) supplyvoltagefromusb4.45.25v V i(主要的) ,v i(核心), V CC inputvoltagerangestep-downconverters2.56.0v outputvoltagerangeformainstep-向下 V o(主要的) 2.53.3v convertor V i(ldo1) ,v i(ldo2) inputvoltagerangeforldos1.86.5v T 一个 operatingambienttemperaturerange-4085 ° C T J operatingjunctiontemperaturerange-40125 ° C V i(主要的) =V i(核心) =V CC =V i(ldo1) =V i(ldo2) =3.6v,t 一个 =-40 ° Cto85 ° c,typicalvaluesareatt 一个 =25 ° Cbatterycharger specificationsarevalidintherange0 ° c<t 一个 <85 ° Cunlessotherwisenoted PARAMETERTESTCONDITIONSMINTYPMAXUNIT controlsignals:低_pwr,sclk,sdat(输入) V IH HighlevelinputvoltageI IH =20µA (1) 2V CC V V IL LowlevelinputvoltageI IL =10µa00.8v I IB inputbiascurrent0.011.0µa controlsignals:铅_onoff,hot_重置,batt_覆盖 V IH HighlevelinputvoltageI IH =20µA (1) 0.8v CC 6V V IL LowlevelinputvoltageI IL =10µa00.4v R (铅_onoff) pulldownresistoratpb_onoff1000k Ω R (hot_重置) pullupresistorathot_重置,1000k Ω connectedtoVCC R (batt_覆盖) pulldownresistoratbatt_cover2000k Ω t (glitch) de-glitchtimeatall3pins385677ms Delayaftert (glitch) (pwrfailgoeslow) t (batt_覆盖) beforesuppliesaredisabledwhen1.682.43.2ms batt_covergoeslow. controlsignals:mpu_重置,pwrfail,respwron,int,sdat(输出) V OH Highleveloutputvoltage6V V OL LowleveloutputvoltageI IL =10ma00.3v t d(mpu_nreset) durationoflowpulseatmpu_reset100µs t d(nrespwron) durationoflowpulseatrespwronchgconfig<7>=0(default)80010001200 ms afterVLDO1isinregulation chgconfig<7>=1496989 TimebetweenUVLOgoingactive t d(uvlo) (pwrfailgoinglow)andsuppliesbeing1.682.43.2ms 无能 timebetweenchipover-温度 t d(overtemp) conditionbeingrecognized(pwrfail1.682.43.2ms goinglow)andsuppliesbeingdisabled supplypin:vcc V I =3.6v,currentintomain+core+ I (q) Operatingquiescentcurrent58µA V CC V I =3.6v,batt_覆盖=地, I o(sd) Shutdownsupplycurrent1525µA CurrentintoMain+Core+V CC vmainstep-downconverter V I inputvoltagerange2.56.0v I O Maximumoutputcurrent1000mA I o(sd) shutdownsupplycurrentbatt_覆盖=gnd0.11µa r ds(在) p-channelmosfeton-resistancev i(主要的) =V GS =3.6v110210m Ω I lkg(p) p-channelleakagecurrentv (ds) =6.0v1µa (1)iftheinputvoltageishigherthanv CC ,anadditionalinputcurrent,limitedbyaninternal10-k Ω resister,flows. 3

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