LTC4110EUHF LINER [Linear Technology], LTC4110EUHF Datasheet - Page 3

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

ELECTRICAL CHARACTERISTICS
SYMBOL
Power Input
DCIN
DCOUT
V
I
I
I
I
V
V
V
V
V
V
Charging Performance
V
V
I
I
I
I
I
I
V
V
V
V
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.
SPLY
BIDL
BBU
BSD
BTOL
PTOL
SKVA
SRCA
SKCA
VCHG
AR
ARH
BAT
UVI
UVD
UVH
DD
DD
DD(MIN)
FTOL
FATOL
BC
BCH
Regulator
PARAMETER
Operating Voltage Range
Operating Voltage Range
Operating Voltage Range
Supply Current (I
(Note 4)
Battery Current in Idle Mode (Notes 4 and 5)
Battery Current in Backup Mode (Note 5)
Battery Current in Shutdown (Note 5)
Undervoltage Lockout Exit Threshold
Undervoltage Lockout Entry Threshold
Undervoltage Lockout Hysteresis
Output Voltage
Output Voltage
Charge Float Voltage Accuracy
Charge Float Voltage Adjust Accuracy
Bulk Charge Current Accuracy (Note 7)
Preconditioning and Wake-Up Current
Accuracy (Note 7)
Voltage Error Amplifi er Sink Current at I
Current Error Amplifi er Source Current at I
Pin
Current Error Amplifi er Sink Current at I
V
Bulk Charge Threshold Voltage;
V
Bulk Charge Threshold Voltage Hysteresis;
V
Auto Recharge Threshold Voltage;
V
Auto Recharge Threshold Hysteresis Voltage;
V
CHG
BAT
BAT
BAT
BAT
Increasing (Note 8)
Decreasing (Note 8)
Decreasing
Increasing
Pin Bias Current
DCIN
+ I
DCOUT
) in Idle Mode
VREF
TH
TH
TH
Pin V
Pin V
= 49.9k. All currents into device pins are positive and all currents out of device pins
A
4.20V for Li-Ion. 2.35V for Lead Acid (Note 8)
= 25°C. Unless otherwise specifi ed, V
CONDITIONS
Charge or Calibration Modes
Charge or Calibration Modes
Backup Mode
Backup Mode
V
V
V
V
No Load
I
V
–5°C < T
–40°C < T
0.3V and –0.3V for Li-Ion Batteries,
0.15V and –0.15V for Lead Acid Batteries
(Note 8)
V
V
–40°C < T
V
Li-Ion and NiMH/NiCd Batteries Only
V
Li-Ion and NiMH/NiCd Batteries Only
V
V
Li-Ion, V
NiMH/NiCd
Li-Ion, V
NiMH/NiCd
Standard Li-Ion Only;
Specifi ed as Percentage of Float Voltage
Standard Li-Ion Only; Specifi ed as
Percentage of Float Voltage
DD
DCIN
SHDN
DCIN
DCIN
CHG
CSP
BAT
BAT
BAT
ITH
ITH
ITH
CHG
= –10mA
= 2V
= 2V
= 2V
≥ 3.1V
≥ 3.3V (Note 8), V
≤ 3.3 (Note 8), V
The
– V
= GND
= 1.25V
= 0
Increasing
Decreasing
= V
A
CHG
CHG
CSN
A
A
l
BAT
< 85°C (Note10)
< 85°C
< 85°C
denotes the specifi cations which apply over the full operating
=100mV
= GND
= GND
, V
DCIN
= 0
CSP
CSP
– V
– V
CSN
CSN
= 10mV;
= 10mV;
DCIN
l
l
l
l
l
l
l
l
l
l
l
= V
DCOUT
–100
4.25
–0.5
–0.8
2.80
0.84
MIN
–30
–40
4.5
4.5
2.7
2.7
3.7
3.4
4.5
–1
–2
–3
–5
93
= V
DCDIV
4.75
3.00
0.90
TYP
400
–24
3.7
30
20
96
24
85
40
95
2
2
4
2
LTC4110
= 12V, V
MAX
4.45
3.20
0.96
100
4.1
0.5
0.8
19
19
19
19
45
45
30
40
97
3
3
5
1
2
3
5
BAT
= 8.4V,
UNITS
4110fa
3
mA
mA
mV
mV
mV
μA
μA
μA
μA
μA
nA
%
%
%
%
%
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V