www.德州仪器.com
RECOMMENDEDOPERATINGCONDITIONS
(1)(2)
DISSIPATIONRATINGSTABLE
TPS23750
TPS23770
SLVS590A–JULY2005–REVISEDAUGUST2005
AllvoltagevaluesarewithrespecttoV
SS
unlessotherwisenoted.
MINNOMMAXUNIT
V
DD
Inputvoltagerange
(3)
com,sen,senp067v
fb,竞赛,模式,bl0v
偏差
InputvoltagerangeAUXtoCOM016V
RSPtoRSN01
AUX02
SourcingcurrentV
偏差
02mA
COMP02
Q
G
GATEloading20nC
auxloadcapacitance0.825
µ
F
V
偏差
loadcapacitance0.081.5
µ
F
R
FREQ
30300k
Ω
T
J
operatingjunctiontemperaturerange-40125
°
C
T
一个
operatingambienttemperaturerange-4085
°
C
(1)rsn,com,andrtnshouldbetiedtogether.senpshouldbetiedtov
DD
exceptforthebuckconfiguration,whereitshouldbetiedto
theoutputpositiverail.
(2)tmr,freq,类,det,v
偏差
,andgateshouldnotbeexternallydriven.
(3)junctiontemperaturemaybeaconstrainingfactorforhighbiaspowerdesigns.
θ
JP
θ
JC
θ
JA
θ
JA
θ
JA
MAXIMUMPOWERRATING
包装
°
c/w
(1)
°
c/w
°
c/w
(2)
°
c/w
(3)
°
c/w
(4)
(w)
(5)
pwp(tssop-20)1.426.6232.6151.973.81.2
(1)thermalresistancejunctiontopad.
(2)seetidocumentSLMA002forrecommendedlayout.thisisabestcase,zeroairflownumber.
(3)jedecmethodwithlow-kboard(2signallayers)andpowerpadnotsoldered(worstcase).
(4)jedecmethodwithhigh-kboard(4layers,2signaland2planes)andpowerpadnotsoldered.
(5)basedontirecommendedlayoutand85
°
cambient.
3