Datasheet
MCP73837/8
DS22071B-page 8 © 2007-2011 Microchip Technology Inc.
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, V
DD
= [V
REG
(typical) + 1V], I
OUT
= 30 mA, and T
A
= +25°C, Constant-voltage mode.
FIGURE 2-1: Battery Regulation Voltage
(V
BAT
) vs. Supply Voltage (V
DD
).
FIGURE 2-2: Battery Regulation Voltage
(V
BAT
) vs. Ambient Temperature (T
A
).
FIGURE 2-3: Output Leakage Current
(I
DISCHARGE
) vs. Battery Regulation Voltage
(V
BAT
).
FIGURE 2-4: Output Leakage Current
(I
DISCHARGE
) vs. Ambient Temperature (T
A
).
FIGURE 2-5: Output Leakage Current
(I
DISCHARGE
) vs. Battery Voltage (V
BAT
).
FIGURE 2-6: Charge Current (I
OUT
) vs.
Programming Resistor (R
PROG
).
Note: 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.
4.160
4.165
4.170
4.175
4.180
4.185
4.190
4.195
4.200
4.205
4.210
4.54.85.05.35.55.86.0
Supply Voltage (V)
Battery Regulation Voltage (V)
TEMP = 25°C
I
OUT
= 10 mA
I
OUT
= 100 mA
I
OUT
= 500 mA
I
OUT
= 1000 mA
I
OUT
= 50 mA
4.170
4.175
4.180
4.185
4.190
4.195
4.200
4.205
4.210
-40-30-20-100 1020304050607080
Ambient Temperature (°C)
Battery Regulation Voltage (V)
I
OUT
= 10 mA
V
DD
= 5.2
V
I
OUT
= 1000 mA
I
OUT
= 500 mA
I
OUT
= 100 mA
I
OUT
= 50 mA
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
3.03.13.23.33.43.53.63.73.83.94.04.14.2
Battery Voltage (V)
Output Leakage Current (µA)
V
DD
= V
BAT
TEMP = 25 °C
0.0
0.4
0.8
1.2
1.6
2.0
-40-30-20-10 0 1020304050607080
Temperature (°C)
Output Leakage Current (µA)
V
DD
= Floating
V
BAT
= 4.2V
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
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
Battery Voltage (V)
Output Leakage Current (µA)
V
DD
= Floating
TEMP = +25°C
0
100
200
300
400
500
600
700
800
900
1000
1 6 11 16 21 26 31 36 41 46 51 56 61
R
PROG
(kΩ)
I
REG
(mA)
V
DD
= 5.2V
Temp = 25°C