LTC4110EUHF LINER [Linear Technology], LTC4110EUHF Datasheet - Page 4

• Manufacturer Part Number: LTC4110EUHF
• Description: Battery Backup System Manager
• Manufacturer: LINER [Linear Technology]

LTC4110
ELECTRICAL CHARACTERISTICS
SYMBOL
V
V
V
F
t
Calibration Performance
V
V
V
I
I
I
I
V
V
AC Present and Discharge Cut-Off Comparators
V
V
I
t
V
V
V
I
4
temperature range, otherwise specifi cations are at T
GND = SGND = CLP = CLN = SHDN = 0V and R
are negative. All voltages are referenced to GND, unless otherwise specifi ed.
TIMEOUT
FTOL
VCAL
BDT
BDH
AC
AC
VDIS
TMR
AC
ACH
BOV
BOVH
REF
CTOL
CTOLH
CATOL
OVP
OVPH
DTOL
DTOLH
DATOL
PARAMETER
Battery Overvoltage Threshold;
V
Battery Overvoltage Threshold Hysteresis;
V
Reference Pin Voltage Range
Programmed Timer Accuracy
Time Between Receiving Valid
ChargingCurrent() and ChargingVoltage()
Commands. Wake-Up Timer.
Calibration Cut-Off Default Voltage Accuracy;
V
Calibration Cut-Off Default Voltage Hysteresis;
V
Calibration Cut-Off Voltage Adjust Accuracy
Calibration Current Accuracy (Note 7)
V
Back-Drive Current Limit Threshold
Back-Drive Current Limit Threshold Hysteresis V
Calibration Mode Input Overvoltage
Comparator DCDIV Pin Threshold
Calibration Mode Input Overvoltage
Comparator DCDIV Pin Hysteresis
AC Present Comparator DCDIV Pin Threshold
AC Present Comparator DCDIV Pin Hysteresis V
AC Present Comparator DCDIV Pin Input Bias
Current
ACPb Pin Externally Programmed Falling Delay C
Discharge Cut-Off Default Voltage Accuracy;
V
Discharge Cut-Off Default Voltage Hysteresis;
V
Discharge Cut-Off Voltage Adjust Accuracy
V
BAT
BAT
BAT
BAT
CAL
BAT
BAT
DIS
Pin Bias Current
Increasing
Increasing.
Decreasing
Increasing. (Note 8)
Decreasing
Increasing (Note 8)
Pin Leakage Current
VREF
= 49.9k. All currents into device pins are positive and all currents out of device pins
A
= 25°C. Unless otherwise specifi ed, V
CONDITIONS
All Li-Ion, Lead Acid as Percentage of
Float Voltage
NiMH/NiCd (Note 8)
All Li-Ion, Lead Acid as Percentage of
Float Voltage
NiMH/NiCd (Note 8)
C
2.75V for Li-Ion, 1.93V for Lead Acid,
V
Li-Ion
Lead Acid
NiMH/NiCd
±400mV for Li-Ion, ±300mV for Lead Acid,
±200mV for NiMH/NiCd (Note 8)
V
V
V
V
V
V
V
V
V
V
2.75V for Li-Ion, 1.93V for Lead Acid,
V
Li-Ion
Lead acid
NiMH/NiCd
±400mV for Li-Ion, ±300mV for Lead Acid,
±200mV for NiMH/NiCd
V
TIMER
CAL
CSP
CAL
CLP
CLN
CLP
CLN
DCDIV
DCDIV
DCDIV
DCDIV
DCDIV
ACPDLY
DCDIV
DIS
DIS
= GND, 0.95V for NiMH/NiCd
= 1.25V
= V
The
= GND (Note 8), 0.95V for NiMH/NiCd
– V
= 1.25V
– V
= V
– V
= 47nF
Rising
Falling
Falling
Rising
= 1.25V
Stepped From 1.17V to 1.30V
DCIN
= 100nF , R
CSN
CLN
DCIN
CLN
l
Decreasing
Increasing
denotes the specifi cations which apply over the full operating
= –100mV
VREF
= 49.9k,
DCIN
l
l
l
l
l
l
l
l
l
l
l
= V
DCOUT
1.208
1.196
–100
–100
MIN
1.80
–1.1
–1.3
–1.5
–1.5
105
–15
140
1.4
–5
7
8
2
= V
DCDIV
107.5
1.220
1.85
1.22
TYP
175
100
1.5
40
85
50
40
10
50
10
85
50
40
2
0
1
= 12V, V
1.232
1.244
MAX
1.90
110
210
100
100
100
1.1
1.3
1.5
1.6
1.5
15
13
12
5
2
BAT
= 8.4V,
UNITS
4110fa
mV
sec
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
ms
nA
nA
nA
%
%
%
%
%
%
%
%
%
V
V
V
V