Datasheet

MAX712/MAX713
NiCd/NiMH Battery
Fast-Charge Controllers
4 _______________________________________________________________________________________
____________________________Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
1.45
0
MAX713
NiMH BATTERY-CHARGING
CHARACTERISTICS AT C RATE
1.50
CHARGE TIME (MINUTES)
CELL VOLTAGE (V)
CELL TEMPERATURE (°C)
MAX712/713
1.60
1.55
25
30
40
35
30 9060
∆V
∆t
CUTOFF
V
T
1.40
0
MAX713
NiCd BATTERY-CHARGING
CHARACTERISTICS AT C/2 RATE
1.45
CHARGE TIME (MINUTES)
CELL VOLTAGE (V)
CELL TEMPERATURE (°C)
MAX712/713
1.50
25
30
35
50 150100
∆V
∆t
CUTOFF
V
T
1.40
0
MAX713
NiMH BATTERY-CHARGING
CHARACTERISTICS AT C/2 RATE
1.45
CHARGE TIME (MINUTES)
CELL VOLTAGE (V)
CELL TEMPERATURE (°C)
MAX712/713
1.55
1.50
25
30
40
35
50 150100
∆V
∆t
CUTOFF
V
T
1.45
0
MAX713
CHARGING CHARACTERISTICS OF A 
FULLY CHARGED NiMH BATTERY
1.50
CHARGE TIME (MINUTES)
CELL VOLTAGE (V)
CELL TEMPERATURE (°C)
MAX712/713
1.60
1.65
1.55
25
30
40
35
5152010
5-MINUTE REST 
BETWEEN CHARGES
∆V
∆t
CUTOFF
V
T

1.45
0
MAX713
CHARGING CHARACTERISTICS OF A 
FULLY CHARGED NiMH BATTERY
1.50
CHARGE TIME (MINUTES)
CELL VOLTAGE (V)
CELL TEMPERATURE (°C)
MAX712/713
1.60
1.65
1.55
25
30
40
35
51510
5-HOUR REST 
BETWEEN CHARGES
∆V
∆t
CUTOFF
V
T

20
1.40
0
MAX713
NiCd BATTERY-CHARGING
CHARACTERISTICS AT C RATE
1.45
CHARGE TIME (MINUTES)
CELL VOLTAGE (V)
CELL TEMPERATURE (°C)
MAX712/713
1.55
1.50
25
30
40
35
30 9060
∆V
∆t
CUTOFF
V
T