LTC4124 查看數據表（PDF） - Analog Devices
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LTC4124 Datasheet PDF : 30 Pages
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LTC4124
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at TA = 25°C. VCC = 5V unless otherwise noted (Notes 2, 3).
SYMBOL
VDCIN
VCC
IVCC
IBAT
PARAMETER
DC Input Supply Operating Range
Supply Operating Range
Input Quiescent Current
Battery Quiescent Current
Wireless and DC Power Management
ΔVCC(HIGH)
ΔVCC(LOW)
VCC High Voltage Limit above VBAT
VCC Low Voltage Limit above VBAT
ACIN to VCC Voltage Drop
DCIN to VCC Voltage Drop
Battery Charging
VUVCL
VCC Undervoltage Current Limit Regulation
Point
VUVCL_TH
VCC Fault Indicator Threshold into UVCL
Hysteresis
RCHG
VBAT_REG
Charge Switch On Resistance
Battery Charge Voltage
VBAT_RECHG
VBAT_TRKL
ICHG
Recharge Battery Threshold Voltage
Hysteresis
Precharge Battery Voltage Threshold
Hysteresis
Charge Current in Constant Current Mode
ICHG(PRE)
Precharge Current
CONDITIONS
MIN
l 3.3
l 2.7
VCC = 5V, Not Charging
l
Done Charging or Not Charging, VCC > VBAT l
Ideal Diode Mode, ACIN = DCIN = 0V,
NTC = VCC or Open
l
Ideal Diode Mode, ACIN = DCIN = 0V,
NTC = 100kΩ to GND
l
Disconnect Mode, VBAT < VBAT_LBDIS,
l
ACIN = DCIN = VCC = 0V
Ship Mode, at any VBAT Voltage Level,
l
ACIN = DCIN = VCC = 0V
VCC Rising, VBAT = 3.6V
VCC Falling, VBAT = 3.6V
VACIN = 5V, VDCIN = 0V, IVCC = –100mA,
Not Charging
VDCIN = 5V, VACIN = 0V, IVCC = –100mA,
Not Charging
ISEL1 = ISEL2 = VCC, ICHG = 1mA (10%)
VCC Falling, VBAT = 3.0V
VBAT = 3.0V
VBAT = 3.6V
VSEL1 = VSEL2 = VCC
VSEL1 = VCC, VSEL2 = GND
VSEL1 = GND, VSEL2 = VCC
VSEL1 = VSEL2 = GND
VBAT Falling, % of VBAT_REG
% of VBAT_REG
VBAT Rising, % of VBAT_REG
% of VBAT_REG
ISEL1 = ISEL2 = VCC
ISEL1 = VCC, ISEL2 = GND
ISEL1 = GND, ISEL2 = VCC
ISEL1 = ISEL2 = GND
VPRECHG = VCC, % of ICHG
4.339
l 4.285
4.190
l 4.137
4.090
l 4.038
3.990
l 3.940
l 96.0
l 65
l 95
l 45
l 22
l 8.5
l
6
TYP
120
3.5
8
8
28
28
0
0
1.05
0.85
0.45
0.45
3.4
3.45
50
0.5
4.350
4.350
4.200
4.200
4.100
4.100
4.000
4.000
97.6
0.3
68
1
100
50
25
10.0
10
MAX
5.5
5.5
250
7
15
80
35
100
50
50
4.361
4.415
4.210
4.263
4.110
4.162
4.010
4.060
98.6
71
103.5
53.5
27.5
11.5
14
UNITS
V
V
μA
µA
µA
µA
µA
µA
nA
nA
V
V
V
V
V
V
mV
Ω
V
V
V
V
V
V
V
V
%
%
%
%
mA
mA
mA
mA
%
Rev. A
For more information www.analog.com
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