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LTC4011CFEPBF Datasheet(PDF) 4 Page - Linear Technology

Part # LTC4011CFEPBF
Description  High Efficiency Standalone Nickel Battery Charger
Download  26 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4011CFEPBF Datasheet(HTML) 4 Page - Linear Technology

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LTC4011

4011fb
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TMAXC
Maximum Fast Charge Temperature
(Note 8)
VTEMP Decreasing, Fast Charge
57
60
63
°C
VTEMP(D)
VTEMP Disable Threshold Voltage
2.8
3.3
V
VTEMP(P)
Pause Threshold Voltage
130
280
mV
Charger Timing
∆tTIMER
Internal Time Base Error
–10
10
%
∆tMAX
Programmable Timer Error
RTIMER = 49.9k
–20
20
%
PowerPath Control
VFR
INFET Forward Regulation Voltage
DCIN – VCC
15
55
100
mV
VOL(INFET)
Output Voltage Low
VCC – INFET, No Load
3.75
5.2
7
V
VOH(INFET)
Output Voltage High
VCC – INFET, No Load
0
50
mV
tOFF(INFET)
INFET OFF Delay Time
CLOAD = 10nF, INFET to 50%
3
15
µs
Status and Chemistry Select
VOL
Output Voltage Low (ILOAD = 10mA)
VCDIV
All Other Status Outputs
●●
435
300
700
600
mV
mV
ILKG
Output Leakage Current
All Status Outputs Inactive, VOUT = VCC
–10
10
µA
IIH(VCDIV)
Input Current High
VCDIV = VBAT (Shutdown)
–1
1
µA
VIL
Input Voltage Low
CHEM (NiMH)
900
mV
VIH
Input Voltage High
CHEM (NiCd)
2.85
V
IIL
Input Current Low
CHEM = GND
–20
–5
µA
IIH
Input Current High
CHEM = 3.3V
–20
20
µA
elecTrical characTerisTics The
indicates specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 12V, BAT = 4.8V, GND = PGND = 0V, unless otherwise noted.
Note1:StressesbeyondthoselistedunderAbsoluteMaximumRatings
maycausepermanentdamagetothedevice.ExposuretoanyAbsolute
MaximumRatingconditionforextendedperiodsmayaffectdevice
reliabilityandlifetime.
Note2:TheLTC4011Cisguaranteedtomeetperformancespecifications
from0°Cto70°C.Specificationsoverthe0°Cto85°Coperating
temperaturerangeareassuredbydesign,characterizationandcorrelation
withstatisticalprocesscontrols.
Note3:OperatingjunctiontemperatureTJ(in°C)iscalculatedfrom
theambienttemperatureTAandthetotalcontinuouspackagepower
dissipationPD(inwatts)bytheformula:
TJ=TAJA•PD
RefertotheApplicationsInformationsectionfordetails.ThisICincludes
overtemperatureprotectionthatisintendedtoprotectthedeviceduring
momentaryoverloadconditions.Junctiontemperaturewillexceed125°C
whenovertemperatureprotectionisactive.Continuousoperationabove
thespecifiedmaximumoperatingjunctiontemperaturemayresultin
devicedegradationorfailure.
Note4:Allcurrentintodevicepinsispositive.Allcurrentoutofdevice
pinsisnegative.AllvoltagesarereferencedtoGND,unlessotherwise
specified.
Note5:Theselimitsareguaranteedbycorrelationtowaferlevel
measurements.
Note6:Outputcurrentmaybelimitedbyinternalpowerdissipation.Refer
totheApplicationsInformationsectionfordetails.
Note7:EitherTGATEVOHmayapplyfor7.5V<VCC<9V.
Note8:Theselimitsapplyspecificallytothethermistornetworkshownin
Figure5intheApplicationsInformationsectionwiththevaluesspecified
fora10kNTC(
βof3750).LimitsarethenguaranteedbyspecificVTEMP
voltagemeasurementsduringtest.


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