參數(shù)資料
型號(hào): 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(yè)數(shù): 23/36頁(yè)
文件大小: 536K
代理商: LTC4099EPDC#TRPBF
LTC4099
4099fd
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
hCLPROG
(Note4)
RatioofMeasuredVBUSCurrentto
CLPROGProgramCurrent
100mAMode
500mAMode
620mAMode
790mAMode
1AMode
1.2AMode
LowPowerSuspendMode
HighPowerSuspendMode
220
1200
1540
1980
2420
3080
10.9
65
mA/mA
IVOUT
VOUTCurrentAvailableBeforeDischarging
Battery
100mAMode,BAT=3.3V
500mAMode,BAT=3.3V
620mAMode,BAT=3.3V
790mAMode,BAT=3.3V
1AMode,BAT=3.3V
1.2AMode,BAT=3.3V
LowPowerSuspendMode
HighPowerSuspendMode
0.23
1.6
135
672
840
1080
1251
1550
0.30
2.16
0.41
2.46
mA
VCLPROG
CLPROGServoVoltageinCurrentLimit
SwitchingModes
SuspendModes
1.18
102
V
mV
VUVLO
VBUSUndervoltageLockout
RisingThreshold
FallingThreshold
3.90
4.30
4.00
4.35
V
VDUVLO
VBUStoBATDifferentialUndervoltage
Lockout
VBUS–BATRisingThreshold
VBUS–BATFallingThreshold
200
50
mV
VOUT
VOUTVoltage
SwitchingModes,BAT=4.2V,
IVOUT=0mA,BatteryChargerOff
4.3
4.5
4.7
V
SwitchingModes,BAT<3.0V,
IVOUT=0mA,BatteryChargerOff
3.5
3.6
3.75
V
USBSuspendModes,IVOUT=250A
4.5
4.6
4.7
V
fOSC
SwitchingFrequency
1.96
2.25
2.65
MHz
RPMOS
PMOSOn-Resistance
0.18
Ω
RNMOS
NMOSOn-Resistance
0.30
Ω
IPEAK
PeakInductorCurrentClamp
500mAto1.2AInputLimitModes
3
A
RSUSP
SuspendLDOOutputResistance
16
Ω
Battery Charger
VFLOAT
BATRegulatedOutputVoltage
4.200VSettingSelectedbyI2C
l
4.179
4.165
4.200
4.221
4.235
V
4.100VDefaultSetting
l
4.079
4.065
4.100
4.121
4.135
V
ICHG_RANGE
Constant-CurrentModeChargeCurrent
Range
ILIM2/1/0=101,SelectablebyI2C
500-1200
mA
ICHG500mA
Zero-ScaleBatteryChargeCurrent
ILIM2/1/0=101,ICHARGE2/1/0=000
475
500
525
mA
ICHG1200mA
Full-ScaleBatteryChargeCurrent
ILIM2/1/0=101,ICHARGE2/1/0=111
1100
1200
1300
mA
ICHG_STEP
ChargeCurrentI2CStepSize
ILIM2/1/0=101
100
mA
IBATQ
BatteryDrainCurrent
VBUS>VUVLO,BatteryChargerOff,
IVOUT=0A
3.7
5
A
VBUS=0V,IVOUT=0A
(IdealDiodeMode)
23
35
A
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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