LTC4010CFEPBF LINER [Linear Technology], LTC4010CFEPBF Datasheet - Page 3

• Manufacturer Part Number: LTC4010CFEPBF
• Description: High Efficiency Standalone Nickel Battery Charger
• Manufacturer: LINER [Linear Technology]

elecTrical characTerisTics
temperature range, otherwise specifications are at T
SYMBOL
PWM Current Source
V
V
V
∆V
I
I
I
f
f
DC
V
V
t
t
V
V
t
t
ADC Inputs
I
Charger Thresholds
V
V
V
V
∆V
V
∆T
T
T
T
V
V
TYP
BAT
SENSE
OFF
MIN
R(TG)
F(TG)
R(BG)
F(BG)
LEAK
TC
AR
MIN
MAXI
MAXC
TEMP(D)
TEMP(P)
FS
PC
OL(TG)
OH(TG)
OL(BG)
OH(BG)
BP
BOV
MFC
FCBF
TERM
TERM
LI
MAX
PARAMETER
BAT – SENSE Full-Scale Regulation
Voltage (Fast Charge)
BAT – SENSE Precharge Regulation
Voltage
BAT – SENSE Top-Off Charge
Regulation Voltage
BAT – SENSE Line Regulation
BAT Input Bias Current
SENSE Input Bias Current
Input Bias Current, (V
Typical Switching Frequency
Minimum Switching Frequency
Maximum Duty Cycle
TGATE Output Voltage Low
(V
TGATE Output Voltage High
TGATE Rise Time
TGATE Fall Time
BGATE Output Voltage Low
BGATE Output Voltage High
BGATE Rise Time
BGATE Fall Time
Analog Channel Leakage
Battery Present Threshold Voltage
Battery Overvoltage
Minimum Fast Charge Voltage
Fast Charge Battery Fault Voltage
–∆V Termination
Automatic Recharge Voltage
∆T Termination (Note 7)
Minimum Charging Temperature
(Note 7)
Maximum Charge Initiation
Temperature (Note 7)
Maximum Charging Temperature
(Note 7)
V
Pause Threshold Voltage
TEMP
CC
– TGATE) (Note 6)
Disable Threshold Voltage
CELL
= 0V)
A
= 25°C. V
CONDITIONS
0.3V < BAT < V
BAT = 4.8V
0.3V < BAT < V
BAT = 4.8V
0.3V < BAT < V
BAT = 4.8V
5.5V < V
0.3V < BAT < V
SENSE = BAT
SENSE
BAT
V
V
V
C
C
No Load
No Load
C
C
0V < V
CHEM OPEN (NiCd)
CHEM = 0V (NiMH)
V
CHEM = 3.3V (NiCd)
CHEM = 0V (NiMH)
V
V
V
TEMP
TEMP
TEMP
CC
CC
CC
LOAD
LOAD
LOAD
LOAD
CELL
The
> 9V, No Load
< 7V, No Load
– TGATE, No Load
Decreasing
= 3nF , 10% to 90%
= 3nF , 10% to 90%
= 1.6nF , 10% to 90%
= 1.6nF , 10% to 90%
CELL
Increasing
Decreasing, Not Charging
Decreasing, Charging
l
CC
CC
indicates specifications which apply over the full operating
< 25V, Fast Charge
< 2V
= 12V, BAT = 4.8V, GND = PGND = 0V, unless otherwise noted.
CC
CC
CC
CC
– 0.3V (Note 8)
– 0.3V (Note 8)
– 0.3V (Note 8)
– 0.1V
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
V
– 0.075
INTV
CC
1.815
1.260
MIN
1.17
41.5
460
320
850
130
6.5
6.5
1.3
0.5
2.8
95
95
16
16
–2
–1
20
98
16
57
0
5
6
0
– 0.5
DD
INTV
1.325
±100
±0.3
1.95
1.22
TYP
100
100
550
V
350
900
5.6
20
20
10
10
50
30
99
35
45
30
15
20
10
45
60
0
2
0
0
2
1
5
CC
DD
LTC4010
2.085
1.390
MAX
13.5
13.5
8.75
1.27
105
105
150
640
100
100
370
950
280
2.7
1.5
3.3
24
24
50
50
80
80
25
14
47
63
2
1
6
9
°C/min
°C/min
UNITS
4010fb

kHz
kHz
mV
mV
mV
mV
mV
mV
mV
mA
mV
mV
mV
mV
mV
mV
mV
µA
µA
µA
nA
ns
ns
ns
ns
°C
°C
°C
%
V
V
V
V
V
V
V