LTC4110EUHF Ver la hoja de datos (PDF) - Linear Technology
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LTC4110EUHF Datasheet PDF : 52 Pages
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LTC4110
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. Unless otherwise specified, VDCIN = VDCOUT = VDCDIV = 12V, VBAT = 8.4V,
GND = SGND = CLP = CLN = SHDN = 0V and RVREF = 49.9k. All currents into device pins are positive and all currents out of device pins
are negative. All voltages are referenced to GND, unless otherwise specified.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Power Input
DCIN
Operating Voltage Range
Charge or Calibration Modes
l 4.5
19
V
DCOUT Operating Voltage Range
Charge or Calibration Modes
l 4.5
19
V
Backup Mode
l 2.7
19
V
VBAT
Operating Voltage Range
Backup Mode
ISPLY
Supply Current (IDCIN + IDCOUT) in Idle Mode
(Note 4)
l 2.7
19
V
2
3
mA
IBIDL
Battery Current in Idle Mode (Notes 4 and 5)
IBBU
Battery Current in Backup Mode (Note 5)
IBSD
Battery Current in Shutdown (Note 5)
VUVI
Undervoltage Lockout Exit Threshold
VUVD
Undervoltage Lockout Entry Threshold
VUVH
Undervoltage Lockout Hysteresis
VDD Regulator
VDD
Output Voltage
VDD(MIN) Output Voltage
Charging Performance
VDCIN = 0
VSHDN = VBAT, VDCIN = 0
VDCIN Increasing
VDCIN Decreasing
No Load
IDD = –10mA
30
45
μA
2
3
mA
20
45
μA
l 3.7
4
4.45
V
l 3.4
3.7
4.1
V
400
mV
l 4.5
4.75
5
V
l 4.25
V
VFTOL
Charge Float Voltage Accuracy
VFATOL
Charge Float Voltage Adjust Accuracy
4.20V for Li-Ion. 2.35V for Lead Acid (Note 8)
– 0.5
VCHG = GND
–5°C < TA < 85°C (Note10)
–40°C < TA < 85°C
– 0.8
l –1
0.3V and –0.3V for Li-Ion Batteries,
0.15V and –0.15V for Lead Acid Batteries
(Note 8)
l –2
0.5
%
0.8
%
1
%
2
%
IBTOL
Bulk Charge Current Accuracy (Note 7)
IPTOL
Preconditioning and Wake-Up Current
Accuracy (Note 7)
VCSP – VCSN =100mV
VBAT ≥ 3.1V
–40°C < TA < 85°C
–3
l –5
VBAT ≥ 3.3V (Note 8), VCSP – VCSN = 10mV;
–30
Li-Ion and NiMH/NiCd Batteries Only
3
%
5
%
30
%
VBAT ≤ 3.3 (Note 8), VCSP – VCSN = 10mV;
–40
Li-Ion and NiMH/NiCd Batteries Only
40
%
ISKVA
ISRCA
Voltage Error Amplifier Sink Current at ITH Pin VITH = 2V
Current Error Amplifier Source Current at ITH VITH = 2V
Pin
96
μA
–24
μA
ISKCA
IVCHG
VBC
VBCH
VAR
VARH
Current Error Amplifier Sink Current at ITH Pin
VCHG Pin Bias Current
Bulk Charge Threshold Voltage;
VBAT Increasing (Note 8)
Bulk Charge Threshold Voltage Hysteresis;
VBAT Decreasing (Note 8)
Auto Recharge Threshold Voltage;
VBAT Decreasing
Auto Recharge Threshold Hysteresis Voltage;
VBAT Increasing
VITH = 2V
VCHG = 1.25V
Li-Ion, VCHG = GND
NiMH/NiCd
Li-Ion, VCHG = GND
NiMH/NiCd
Standard Li-Ion Only;
Specified as Percentage of Float Voltage
Standard Li-Ion Only; Specified as
Percentage of Float Voltage
24
μA
–100
100
nA
2.80 3.00 3.20
V
0.84 0.90 0.96
V
85
mV
40
mV
93
95
97
%
2
%
4110fa
3
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