參數(shù)資料
型號： LTC4110EUHF#TR
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC38
封裝： 5 X 7 MM, 0.75 MM HEIGHT, PLASTIC, MO-220WHKD, QFN-38
文件頁數(shù)： 23/52頁
文件大?。?/td> 450K
代理商： LTC4110EUHF#TR
LTC4110
3
4110fb
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. Unless otherwise specied, 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 specied.
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
l
2.7
19
V
ISPLY
Supply Current (IDCIN + IDCOUT) in Idle Mode
(Note 4)
23
mA
IBIDL
Battery Current in Idle Mode (Notes 4 and 5)
30
45
μA
IBBU
Battery Current in Backup Mode (Note 5)
VDCIN = 0
2
3
mA
IBSD
Battery Current in Shutdown (Note 5)
VSHDN = VBAT, VDCIN = 0
20
45
μA
VUVI
Undervoltage Lockout Exit Threshold
VDCIN Increasing
l
3.7
4
4.45
V
VUVD
Undervoltage Lockout Entry Threshold
VDCIN Decreasing
l
3.4
3.7
4.1
V
VUVH
Undervoltage Lockout Hysteresis
400
mV
VDD Regulator
VDD
Output Voltage
No Load
l
4.5
4.75
5
V
VDD(MIN)
Output Voltage
IDD = –10mA
l
4.25
V
Charging Performance
VFTOL
Charge Float Voltage Accuracy
4.20V for Li-Ion. 2.35V for Lead Acid (Note 8)
VCHG = GND
–5°C < TA < 85°C (Note10)
–40°C < TA < 85°C
l
–0.5
–0.8
–1
0.5
0.8
1
%
VFATOL
Charge Float Voltage Adjust Accuracy
0.3V and –0.3V for Li-Ion Batteries,
0.15V and –0.15V for Lead Acid Batteries
(Note 8)
l
–2
2
%
IBTOL
Bulk Charge Current Accuracy (Note 7)
VCSP – VCSN =100mV
VBAT ≥ 3.1V
–40°C < TA < 85°C
l
–3
–5
3
5
%
IPTOL
Preconditioning and Wake-Up Current
Accuracy (Note 7)
VBAT ≥ 3.3V (Note 8), VCSP – VCSN = 10mV;
Li-Ion and NiMH/NiCd Batteries Only
–30
30
%
VBAT ≤ 3.3 (Note 8), VCSP – VCSN = 10mV;
Li-Ion and NiMH/NiCd Batteries Only
–40
40
%
ISKVA
Voltage Error Amplier Sink Current at ITH Pin VITH = 2V
96
μA
ISRCA
Current Error Amplier Source Current at ITH
Pin
VITH = 2V
–24
μA
ISKCA
Current Error Amplier Sink Current at ITH Pin VITH = 2V
24
μA
IVCHG
VCHG Pin Bias Current
VCHG = 1.25V
–100
100
nA
VBC
Bulk Charge Threshold Voltage;
VBAT Increasing (Note 8)
Li-Ion, VCHG = GND
NiMH/NiCd
2.80
0.84
3.00
0.90
3.20
0.96
V
VBCH
Bulk Charge Threshold Voltage Hysteresis;
VBAT Decreasing (Note 8)
Li-Ion, VCHG = GND
NiMH/NiCd
85
40
mV
VAR
Auto Recharge Threshold Voltage;
VBAT Decreasing
Standard Li-Ion Only;
Specied as Percentage of Float Voltage
93
95
97
%
VARH
Auto Recharge Threshold Hysteresis Voltage;
VBAT Increasing
Standard Li-Ion Only; Specied as
Percentage of Float Voltage
2%
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