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AbsoluteMaximumRatings
(1)
PackageThermalData
(1)
RecommendedOperatingConditions
LM2575
1-asimplestep-downswitchingvoltageregulator
SLVS569D–JANUARY2005–REVISEDJULY2005
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
MINMAXUNIT
V
在
Supplyvoltage42V
在/offpininputvoltage–0.3v
在
V
outputvoltagetognd(steadystate)–1v
T
J
Maximumjunctiontemperature150
°
C
T
stg
Storagetemperaturerange–65150
°
C
(1)stressesbeyondthoselistedunder“absolutemaximumratings”maycausepermanentdamagetothedevice.thesearestressratings
仅有的,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunder“recommendedoperating
conditions”isnotimplied.exposuretoabsolute-最大-ratedconditionsforextendedperiodsmayaffectdevicereliability.
PACKAGEBOARD
θ
JC
θ
JCB
θ
JA
pdip(n)highk,jesd51-751
°
c/w67
°
c/w
至-263(ktt)highk,jesd51-5tbdtbd
(1)maximumpowerdissipationisafunctionoft
J
(最大值),
θ
JA
,andt
一个
.themaximumallowablepowerdissipationatanyallowableambient
temperatureisP
D
=(t
J
(最大值)–t
一个
)/
θ
JA
.operatingattheabsolutemaximumt
J
of150
°
ccanaffectreliability.
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
MINMAXUNIT
V
在
supplyvoltage4.7540v
T
J
Operatingvirtualjunctiontemperature–40125
°
C
4
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