Datasheet
LTC4010
5
4010fb
Typical perForMance characTerisTics
TIME (MINUTES)
1.30
SINGLE CELL VOLTAGE (V)
BATTERY TEMPEATURE (°C)
1.40
1.50
1.60
1.45
1.45
1.55
15
25
35
45
20
30
40
120
4010 G03
0 20 40 80 100 140 16060 180 200
CHARGE CURRENT
TOP OFF
BATTERY
TEMPERATURE
SINGLE CELL
VOLTAGE
1A
0.5A
4 SERIES NiMH 2100mAhr
AA CELLS CHARGED AT 0.5C
TEMPERATURE (°C)
–50 –30
320
VOLTAGE (mV)
340
370
–10
30
50
4010 G04
330
360
350
10
70
90
TEMPERATURE (°C)
–50
850
VOLTAGE (mV)
860
880
890
900
950
920
–10
30
50
4010 G05
870
930
940
910
–30
10
70
90
TEMPERATURE (°C)
–50 –30
1.275
VOLTAGE (V)
1.315
1.375
–10
30
50
4010 G06
1.295
1.355
1.335
10
70
90
TEMPERATURE (°C)
–50
1.85
VOLTAGE (V)
1.87
1.91
1.93
1.95
2.05
1.99
–10
30
50
4010 G07
1.89
2.01
2.03
1.97
–30
10
70
90
TEMPERATURE (°C)
–50 –30
–25
VOLTAGE (mV)
–15
0
–10
30
50
4010 G08
–20
–5
–10
10
70
90
NiMH
NiCd
TEMPERATURE (°C)
–50
TIMING ERROR (%, p30s)
15
10
4010 G09
0
–10
–30 –10 30
–15
–20
20
10
5
–5
50 70 90
R
TIMER
= 49.9k
TEMPERATURE (°C)
–5
CURRENT ERROR(%)
–1
5
4010 G10
–3
3
1
TOP-OFF CHARGE
FAST CHARGE
PRECHARGE
–50 10
–30 –10 30 50 70 90
TEMPERATURE (°C)
–30
10
100
1000
10
4010 G11
FREQUENCY (kHz)
–50
90–10
30 50 70
BAT = 4.8V
V
CC
= 12V
MINIMUM (LOW DROPOUT)
Automatic Recharge Threshold
Voltage (per Cell)
Battery Overvoltage Threshold
Voltage (per Cell)
–∆V Termination Voltage
(per Cell)
Programmable Timer Accuracy Charge Current Accuracy PWM Switching Frequency
NiMH Charge Cycle at 0.5C
Battery Present Threshold
Voltage (per Cell)
Minimum Fast Charge Threshold
Voltage (per Cell)