MCP73838 Microchip Technology Inc., MCP73838 Datasheet - Page 8

• Manufacturer Part Number: MCP73838
• Description: Advanced Stand-alone Li-ion / Li-polymer Battery Charge Management Controller With Autonomous Ac-adapter Or Usb-port Source Selection
• Manufacturer: Microchip Technology Inc.

MCP73837/8
2.0
Note: Unless otherwise indicated, V
FIGURE 2-1:
(V
FIGURE 2-2:
(V
FIGURE 2-3:
(I
(V
DS22071A-page 8
DISCHARGE
Note:
BAT
BAT
BAT
4.210
4.205
4.200
4.195
4.190
4.185
4.180
4.175
4.170
4.210
4.205
4.200
4.195
4.190
4.185
4.180
4.175
4.170
4.165
4.160
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
) vs. Supply Voltage (V
) vs. Ambient Temperature (T
).
TYPICAL PERFORMANCE CURVES
3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
4.5
I
OUT
I
I
I
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
OUT
OUT
OUT
TEMP = 25°C
) vs. Battery Regulation Voltage
= 1000 mA
= 10 mA
= 100 mA
= 500 mA
4.8
Ambient Temperature (°C)
Battery Voltage (V)
Battery Regulation Voltage
Battery Regulation Voltage
Output Leakage Current
5.0
Supply Voltage (V)
I
OUT
5.3
I
OUT
= 50 mA
DD
= 50 mA
).
DD
5.5
A
I
= [V
OUT
TEMP = 25 °C
I
I
).
I
OUT
OUT
OUT
= 1000 mA
V
5.8
= 100 mA
= 500 mA
V
DD
= 10 mA
REG
DD
= V
= 5.2V
BAT
(typical) + 1V], I
6.0
OUT
FIGURE 2-4:
(I
FIGURE 2-5:
(I
FIGURE 2-6:
Programming Resistor (R
DISCHARGE
DISCHARGE
= 30 mA, and T
2.0
1.6
1.2
0.8
0.4
0.0
1000
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
900
800
700
600
500
400
300
200
100
-40 -30 -20 -10 0
0
3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2
1
V
V
V
TEMP = +25°C
DD
BAT
DD
= Floating
6 11 16 21 26 31 36 41 46 51 56 61
= 4.2V
) vs. Ambient Temperature (T
) vs. Battery Voltage (V
= Floating
A
= +25°C, Constant-voltage mode.
Battery Voltage (V)
Output Leakage Current
Output Leakage Current
Charge Current (I
Temperature (°C)
© 2007 Microchip Technology Inc.
10 20 30 40 50 60 70 80
R
PROG
PROG
(kΩ)
).
BAT
V
Temp = 25°C
DD
OUT
= 5.2V
).
A
) vs.
).