Datasheet

MCP73841/2/3/4
DS21823D-page 8  2003-2013 Microchip Technology Inc.
Note: Unless otherwise indicated, V
DD
= [V
REG
(Typ) + 1V], I
OUT
= 10 mA and T
A
= +25°C.
FIGURE 2-13: Output Reverse Leakage
Current (I
DISCHARGE
) vs. Battery Voltage (V
BAT
).
FIGURE 2-14: Thermistor Reference
Voltage (V
THREF
) vs. Thermistor Bias Current
(I
THREF
).
FIGURE 2-15: Thermistor Reference
Voltage (V
THREF
) vs. Supply Voltage (V
DD
).
FIGURE 2-16: Output Reverse Leakage
Current (I
DISCHARGE
) vs. Battery Voltage (V
BAT
).
FIGURE 2-17: Thermistor Reference
Voltage (V
THREF
) vs. Thermistor Bias Current
(I
THREF
).
FIGURE 2-18: Thermistor Reference
Voltage (V
THREF
) vs. Supply Voltage (V
DD
).
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2
V
BAT
(V)
I
DISCHARGE
(µA)
+25°C
+85°C
-45°C
MCP73841-4.2V
V
DD
= Float
2.540
2.542
2.544
2.546
2.548
2.550
2.552
2.554
2.556
2.558
2.560
0 25 50 75 100 125 150 175 200
I
THREF
(µA)
V
THREF
(V)
+85°C
+25°C
-45°C
MCP73841-4.2V
V
DD
= 5.2 V
2.540
2.544
2.548
2.552
2.556
2.560
2.564
2.568
4.5 6.0 7.5 9.0 10.5 12.0
V
DD
(V)
V
THREF
(V)
+85°C
+25°C
-45°C
MCP73841-4.2V
I
THREF
= 100 µA
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.90
4.0 4.4 4.8 5.2 5.6 6.0 6.4 6.8 7.2 7.6 8.0 8.4
V
BAT
(V)
I
DISCHARGE
(µA)
MCP73842-8.4V
V
DD
= Float
-45°C
+25°C
+85°C
2.540
2.542
2.544
2.546
2.548
2.550
2.552
2.554
2.556
2.558
2.560
0 25 50 75 100 125 150 175 200
I
THREF
(µA)
V
THREF
(V)
+25°C
+85°C
-45°C
MCP73842-8.4V
V
DD
= 9.4 V
2.540
2.544
2.548
2.552
2.556
2.560
2.564
2.568
8.8 9.2 9.6 10.0 10.4 10.8 11.2 11.6 12.0
V
DD
(V)
V
THREF
(V)
MCP73842-8.4V
I
THREF
= 100 µA
+85°C
+25°C
-45°C