參數(shù)資料
型號: LTC4099EPDC#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC20
封裝: 3 X 4 MM, 0.55 MM HEIGHT, LEAD FREE, PLASTIC, UTQFN-20
文件頁數(shù): 31/36頁
文件大?。?/td> 536K
代理商: LTC4099EPDC#TRPBF
LTC4099
4099fd
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VPROG,TRKL
PROGPinServoVoltageinTrickleCharge BAT<VTRKL
0.100
V
hPROG
RatioofIBATtoPROGPinCurrent
1030
mA/mA
VTRKL
TrickleChargeThresholdVoltage
BATRising
2.7
2.85
3
V
ΔVTRKL
TrickleChargeHysteresisVoltage
130
mV
VRECHRG
RechargeBatteryThresholdVoltage
ThresholdVoltageRelativetoVFLOAT
–75
–100
–125
mV
tTERM_RANGE
SafetyTimerTerminationPeriodRange
SelectablebyI2C,TimerStartsWhen
BAT=VFLOAT
1-8
Hour
tBADBAT
BadBatteryTerminationTime
BAT<VTRKL
0.4
0.5
0.6
Hour
VC/x
FullCapacityChargeIndicationPROG
Voltage(Note5)
COVERX1/0=00
90
100
110
mV
COVERX1/0=01
40
50
60
mV
COVERX1/0=10
190
200
210
mV
COVERX1/0=11
490
500
510
mV
RON_CHG
BatteryChargerPowerFET
On-Resistance(BetweenVOUTandBAT)
IBAT=200mA
0.18
Ω
TLIM
JunctionTemperatureinConstant
TemperatureMode
SelectablebyI2C
85,105
°C
Bat-Track External Switching Regulator Control
VWALL
AbsoluteWALLInputThreshold
RisingThreshold
FallingThreshold
4.15
4.3
3.2
4.45
V
ΔVWALL
DifferentialWALLInputThreshold
WALL–BATRisingThreshold
WALL–BATFallingThreshold
0
90
37
50
mV
VOUT
RegulationTargetUnderVCControl
3.5
BAT+0.3
V
IWALLQ
WALLQuiescentCurrent
130
A
RACPR
ACPRPull-DownStrength
150
Ω
VHACPR
ACPRHighVoltage
IACPR=0mA
VOUT
V
VLACPR
ACPRLowVoltage
IACPR=0mA
0
V
Overvoltage Protection
VOVCUTOFF
OvervoltageProtectionThreshold
RisingThreshold,ROVSENS=6.2k
6.10
6.35
6.70
V
VOVGATE
OVGATEOutputVoltage
InputBelowVOVCUTOFF
InputAboveVOVCUTOFF
1.88VOVSENS
0
12
V
VOVGATELOAD
OVGATEVoltagewith1ALoad
5VThrough6.2kintoOVSENS
8
8.6
V
IOVSENSQ
OVSENSQuiescentCurrent
VOVSENS=5V
40
A
tRISE
OVGATETimetoReachRegulation
COVGATE=1nF
2.5
ms
Overtemperature Battery Conditioner
IDISCHARGE
OvertemperatureBatteryDischarge
Current
OnlyWhenEnabledviaI2CControl,
BAT=4.2V
180
mA
VALLOW
MaximumAllowedOvertemperature
BatteryVoltage
OnlyWhenEnabledviaI2CControl
3.85
V
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating temp-
erature range, otherwise specifications are at TA = 25°C. VBUS = 5V, BAT = 3.8V, DVCC = 3.3V, RPROG = 1.02k, RCLPROG = 3.01k, unless
otherwise noted.
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