参数资料
型号: LTC4266CGW#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: POWER SUPPLY MANAGEMENT CKT, PDSO36
封装: 0.300 INCH, LEAD FREE, PLASTIC, SSOP-36
文件页数: 26/30页
文件大小: 414K
代理商: LTC4266CGW#TRPBF
LTC4266
4266fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TimingCharacteristics
tDET
DetectionTime
BeginningtoEndofDetection(Note7)
l
270
290
310
ms
tDETDLY
DetectionDelay
FromPDConnectedtoPorttoDetection
Complete(Note7)
l
300
470
ms
tCLE1
FirstClassEventDuration
(Note7)
l
11
12
13
ms
tME1
FirstMarkEventDuration
(Notes7,11)
l
6.8
8.6
10.3
ms
tCLE2
SecondClassEventDuration
(Note7)
l
11
12
13
ms
tME2
SecondMarkEventDuration
(Note7)
l
19
22
ms
tCLE3
ThirdClassEventDuration
CPORT=0.6F(Note7)
l
0.1
ms
tPON
PowerOnDelayinAutoMode
FromEndofValidDetecttoApplicationof
PowertoPort(Note7)
l
60
ms
TurnOnRiseTime
(AGND–VOUT):10%to90%of(AGND–VEE),
CPORT=0.15F(Note7)
l
15
24
s
TurnOnRampRate
CPORT=0.15F(Note7)
l
10
V/s
FaultDelay
FromICUTFaulttoNextDetect
l
1.0
1.1
s
MidspanModeDetectionBackoff
Rport=15.5k(Note7)
l
2.3
2.5
2.7
s
PowerRemovalDetectionDelay
FromPowerRemovalAftertDIStoNext
Detect(Note7)
l
1.0
1.3
2.5
s
tSTART
MaximumCurrentLimitDurationDuringPort
Start-Up
tSTART1=0,tSTART0=0(Notes7,12)
l
52
62.5
66
ms
tLIM,tICUT
MaximumCurrentLimitDurationAfterPort
Start-Up
tICUT1=0,tICUT0=0(Notes7,12)
l
52
62.5
66
ms
MaximumCurrentLimitDutyCycle
(Note7)
l
5.8
6.3
6.7
%
tMPS
MaintainPowerSignature(MPS)PulseWidth
Sensitivity
CurrentPulseWidthtoResetDisconnect
Timer(Notes7,8)
l
1.6
3.6
ms
tDIS
MaintainPowerSignature(MPS)Dropout
Time
tconf[1:0]=00b(Notes5,12)
l
320
350
380
ms
tMSD
MaskedShutDownDelay
(Note7)
l
6.5
s
tSHDN
PortShutDownDelay
(Note7)
l
6.5
s
I2CWatchdogTimerDuration
l
1.5
2
3
s
MinimumPulseWidthforMaskedShut
Down
(Note7)
l
3
s
MinimumPulseWidthforSHDN
(Note7)
l
3
s
MinimumPulseWidthforRESET
(Note7)
l
4.5
s
electricAl chArActeristics
Theldenotesthespecificationswhichapplyoverthefulloperating
temperaturerange,otherwisespecificationsareatTA=25°C.AGND–VEE=54V,AGND=DGND,andVDD–DGND=3.3Vunlessotherwise
noted.(Notes3,4)
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