www.德州仪器.com
+
−
VIN
地
SEL
V
SELI
Q1
C1
Q3
水平的
变换
A1
1.229 v
Q2
pwm/pfm
控制
逻辑
TPS61
140/1
电流
下沉
Iout
V
输出
VFB
IFB
C3
OLED
C2
ISET
ABSOLUTEMAXIMUMRATINGS
(1)
TPS61140
TPS61141
SLVS624A–JANUARY2006–REVISEDFEBRUARY2006
table1.tps61140/1modeselection
SELVSELIVoutIout
HLEnableDisable
LHDisableEnable
HHEnableEnable
LLICShutdown
FUNCTIONALBLOCKDIAGRAM
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
VALUEUNIT
SupplyvoltagesonpinVIN
(2)
–0.3to7v
voltagesonpinsseli,selv,isetandvfb
(2)
–0.3to7v
voltageonpiniout,sw,voutandifb
(2)
30V
TotaloutputcurrentonpinIoutandpinVout50mA
ContinuouspowerdissipationSeeDissipationRatingTable
Operatingjunctiontemperaturerange–40to150
°
C
Storagetemperaturerange–65to150
°
C
leadtemperature(焊接,10sec)260
°
C
(1)stressesbeyondthoselistedunder
absolutemaximumratings
maycausepermanentdamagetothedevice.thesearestressratings
仅有的,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunder
recommendedoperating
情况
isnotimplied.exposuretoabsolute-最大-ratedconditionsforextendedperiodsmayaffectdevicereliability.
(2)allvoltagevaluesarewithrespecttonetworkgroundterminal.
3
SubmitDocumentationFeedback