Datasheet

LTC6802-2
7
68022fa
Typical perForMance characTerisTics
V
REG
Line Regulation
Die Temperature Increase vs
Discharge Current in Internal FET Cell Conversion Time
SUPPLY VOLTAGE (V)
5
V
REG
(V)
5.5
5.0
4.5
4.0
3.0
3.5
25 4515 35 55
68022 G17
T
A
= 85°C
T
A
= –40°C
T
A
= 25°C
NO EXTERNAL LOAD ON V
REG
, CDC = 2
(CONTINUOUS CELL CONVERSIONS)
DISCHARGE CURRENT PER CELL (mA)
0
INCREASE IN DIE TEMPERATURE (°C)
50
5
45
35
25
15
40
30
20
10
0
40 8020 60
68022 G18
30 7010 50
1 CELL
DISCHARGING
6 CELLS
DISCHARGING
12 CELLS
DISCHARGING
ALL 12 CELLS AT 3.6V
V
S
= 43.2V
T
A
= 25°C
TEMPERATURE (°C)
–40
CONVERSION TIME (ms)
13.20
13.15
13.10
13.05
13.00
12.80
12.85
12.90
12.95
20–20 400 80 10060
68022 G19
120
Internal Discharge Resistance vs
Cell Voltage
CELL VOLTAGE (V)
0
DISCHARGE RESISTANCE (Ω)
50
5
45
35
25
15
40
30
20
10
0
2.5 4.51.5 3.5
68022 G11
5.02.0 4.01.0 3.00.5
T
A
= –45°C
T
A
= 25°C
T
A
= 85°C
T
A
= 105°C