參數資料
型號： LTC4160EUDC#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： POWER SUPPLY MANAGEMENT CKT, PQCC20
封裝： 3 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20
文件頁數： 27/32頁
文件大小： 422K
代理商： LTC4160EUDC#PBF
LTC4160/LTC4160-1
4
41601fa
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VPROG
PROG Pin Servo Voltage
1
V
VPROG_TRKL
PROG Pin Servo Voltage in Trickle Charge BAT < VTRKL
0.1
V
VC/10
C/10 Threshold Voltage at PROG
100
mV
hPROG
Ratio of IBAT to PROG Pin Current
1030
mA/mA
ITRKL
Trickle Charge Current
BAT < VTRKL
100
mA
VTRKL
Trickle Charge Threshold Voltage
BAT Rising
2.7
2.85
3
V
VTRKL
Trickle Charge Hysteresis Voltage
135
mV
VRECHRG
Recharge Battery Threshold Voltage
Threshold Voltage Relative to VFLOAT
–75
–100
–125
mV
tTERM
Safety Timer Termination Period
Timer Starts when VBAT = VFLOAT
3.9
4.3
5.4
Hour
tBADBAT
Bad Battery Termination Time
BAT < VTRKL
0.4
0.5
0.6
Hour
hC/10
End of Charge Current Ratio
(Note 7)
0.085
0.1
0.115
mA/mA
RON_CHG
Battery Charger Power FET
On-Resistance (Between VOUT and BAT)
0.18
TLIM
Junction Temperature in Constant
Temperature Mode
110
°C
NTC
VCOLD
Cold Temperature Fault Threshold
Voltage
Rising Threshold
Hysteresis
75
76.5
1.5
78
%NTCBIAS
VHOT
Hot Temperature Fault Threshold Voltage Falling Threshold Hysteresis
33.4
34.9
1.8
36.4
%NTCBIAS
VDIS
NTC Disable Threshold Voltage
Falling Threshold
Hysteresis
0.7
1.7
50
2.7
%NTCBIAS
mV
INTC
NTC Leakage Current
NTC = NTCBIAS = 5V
–50
50
nA
Ideal Diode
VFWD
Forward Voltage Detection
VBUS = 0V, IVOUT = 10mA
IVOUT = 10mA
2
15
mV
RDROPOUT
Internal Diode On-Resistance, Dropout
IVOUT = 200mA
0.18
IMAX_DIODE
Diode Current Limit
2
A
Always On 3.3V LDO Supply
VLDO3V3
Regulated Output Voltage
0mA < ILDO3V3 < 20mA
3.1
3.3
3.5
V
RCL_LDO3V3
Closed-Loop Output Resistance
2.7
ROL_LDO3V3
Dropout Output Resistance
23
Logic (ILIM0, ILIM1, ID, ENOTG, ENCHARGER)
VIL
Logic Low Input Voltage
0.4
V
VIH
Logic High Input Voltage
1.2
V
IPD1
ILIM0, ILIM1, ENOTG, ENCHARGER
Pull-Down Current
1.8
A
IPU1
ID Pull-Up Current
2.5
A
Status Outputs (CHRG, VBUSGD, FAULT)
VVBUSGD
Output Low Voltage
IVBUSGD = 5mA, VBUS = 5V
65
100
mV
VCHRG, VFAULT
Output Low Voltage
ICHRG = IFAULT = 5mA, VOUT = 3.8V
100
150
mV
ICHRG, IVBUSGD,
IFAULT
Leakage Current
VCHRG = VVBUSGD = VFAULT = 5V
1
μA
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C (Note 2). VBUS = 5V, BAT = 3.8V, RCLPROG = 3.01k, unless otherwise noted.
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