MCP73837 Datasheet, PDF (9/30 Pages) Microchip Technology – Advanced Stand-Alone Li-Ion / Li-Polymer Battery Charge Management Controller with Autonomous AC-Adapter or USB-Port Source Selection

MCP73837/8
Note: Unless otherwise indicated, V_DD = [V_REG(typical) + 1V], I_OUT = 30 mA and T_A= +25°C, Constant-voltage mode.
1200
1150
1100
R_PROG = 1 kΩ
Temp = +25°C
1050
1000
950
900
850
800
750
700
4.5 4.8 5.0 5.3 5.5 5.8 6.0
Supply Voltage (V)
FIGURE 2-7:
Charge Current (I_OUT) vs.
Supply Voltage (V_DD).
110
108
106
R_PROG = 10 kΩ
V_DD = 5.2V
104
102
100
98
96
94
92
90
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Ambient Temperature (°C)
FIGURE 2-10:
Charge Current (I_OUT) vs.
Ambient Temperature (T_A).
104
102
R_PROG = 10 kΩ
Temp = +25°C
100
98
96
94
92
90
4.5 4.8 5.0 5.3 5.5 5.8 6.0
Supply Voltage (V)
FIGURE 2-8:
Charge Current (I_OUT) vs.
Supply Voltage (V_DD).
55
54
R_PROG = 20 kΩ
53
V_DD = 5.2V
52
51
50
49
48
47
46
45
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Ambient Temperature (°C)
FIGURE 2-11:
Charge Current (I_OUT) vs.
Ambient Temperature (T_A).
1100
1050
1000
R_PROG = 1 kΩ
V_DD = 5.2V
950
900
850
800
750
700
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Ambient Temperature (°C)
FIGURE 2-9:
Charge Current (I_OUT) vs.
Ambient Temperature (T_A).
1200
1100
1000
900
800
700
600
500
400
300
200
100
0
R_PROG = 1 kΩ
Junction Temperature (°C)
FIGURE 2-12:
Charge Current (I_OUT) vs.
Junction Temperature (T_J).
© 2007 Microchip Technology Inc.
DS22071A-page 9