MCP73861/2/3/4
TYPICAL PERFORMANCE CURVES (CONTINUED)
NOTE:
Unless otherwise indicated, V
DD
= [V
REG
(typ.) + 1V], I
OUT
= 10 mA and T
A
= +25°C, Constant-voltage mode.
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
Output Leakage Current (µA)
Supply Current (mA)
MCP73861/3
V
SET
= V
DD
V
DD
= V
SS
1.60
1.40
1.20
1.00
0.80
0.60
0.40
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
MCP73861/3
V
SET
= V
DD
I
OUT
= 10 mA
+85°C
+25°C
-40°C
2.0
2.4
2.8
3.2
3.6
4.0
4.4
Battery Regulation Voltage (V)
Ambient Temperature (°C)
FIGURE 2-7:
Output Leakage Current
(I
DISCHARGE
) vs. Battery Regulation Voltage
(V
BAT
).
Therm. Reference Voltage (V)
FIGURE 2-10:
Supply Current (I
SS
) vs.
Ambient Temperature (T
A
).
2.550
2.540
2.530
2.520
2.510
2.500
4.5
6.0
7.5
9.0
10.5
12.0
MCP73861/3
V
SET
= V
DD
I
THREF
= 100 µA
Battery Regulation Voltage (V)
4.207
4.205
4.203
4.201
4.199
4.197
4.195
4.193
-40
-30
-20
-10
0
10
20
30
40
50
60
70
70
80
80
MCP73861/3
V
SET
= V
DD
I
OUT
= 10 mA
Supply Voltage (V)
Ambient Temperature (°C)
FIGURE 2-8:
Thermistor Reference
Voltage (V
THREF
) vs. Supply Voltage (V
DD
).
Therm. Reference Voltage (V)
FIGURE 2-11:
Battery Regulation Voltage
(V
BAT
) vs. Ambient Temperature (T
A
).
Therm. Reference Voltage (V)
2.520
MCP73861/3
V
SET
= V
DD
2.520
2.515
2.510
2.505
2.500
2.515
2.510
2.505
2.500
0
25
50
75
100 125 150 175 200
MCP73861/3
V
SET
= V
DD
I
THREF
= 100 µA
-40
-30
-20
-10
0
10
20
30
40
50
Therm. Bias Current (µA)
Ambient Temperature (°C)
FIGURE 2-9:
Thermistor Reference
Voltage (V
THREF
) vs. Thermistor Bias Current
(I
THREF
).
FIGURE 2-12:
Thermistor Reference
Voltage (V
THREF
) vs. Ambient Temperature (T
A
).
©
2005 Microchip Technology Inc.
DS21893C-page 7
60
MICROCHIP [ MICROCHIP TECHNOLOGY ]
