Datasheet

© 2007-2011 Microchip Technology Inc. DS22071B-page 9
MCP73837/8
Note: Unless otherwise indicated, V
DD
= [V
REG
(typical) + 1V], I
OUT
= 30 mA and T
A
= +25°C, Constant-voltage mode.
FIGURE 2-7: Charge Current (I
OUT
) vs.
Supply Voltage (V
DD
).
FIGURE 2-8: Charge Current (I
OUT
) vs.
Supply Voltage (V
DD
).
FIGURE 2-9: Charge Current (I
OUT
) vs.
Ambient Temperature (T
A
).
FIGURE 2-10: Charge Current (I
OUT
) vs.
Ambient Temperature (T
A
).
FIGURE 2-11: Charge Current (I
OUT
) vs.
Ambient Temperature (T
A
).
FIGURE 2-12: Charge Current (I
OUT
) vs.
Junction Temperature (T
J
).
700
750
800
850
900
950
1000
1050
1100
1150
1200
4.54.85.05.35.55.86.0
Supply Voltage (V)
Charge Current (mA)
R
PROG
= 1 kΩ
Temp = +25°C
90
92
94
96
98
100
102
104
4.54.85.05.35.55.86.0
Supply Voltage (V)
Charge Current (mA)
R
PROG
= 10 kΩ
Temp = +25°C
700
750
800
850
900
950
1000
1050
1100
-40-30-20-100 1020304050607080
Ambient Temperature (°C)
Charge Current (mA)
R
PROG
= 1 kΩ
V
DD
= 5.2V
90
92
94
96
98
100
102
104
106
108
110
-40-30-20-10 0 1020304050607080
Ambient Temperature (°C)
Charge Current (mA)
R
PROG
= 10 kΩ
V
DD
= 5.2V
45
46
47
48
49
50
51
52
53
54
55
-40-30-20-10 0 1020304050607080
Ambient Temperature (°C)
Charge Current (mA)
R
PROG
= 20 kΩ
V
DD
= 5.2V
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
25 35 45 55 65 75 85 95
105 115 125 135 145 155
Junction Temperature (°C)
Charge Current (mA)
R
PROG
= 1 kΩ