MCP73831/2
TYPICAL PERFORMANCE CURVES (CONTINUED)
NOTE: Unless otherwise indicated, VDD = [VREG(typ.) + 1V], IOUT = 10 mA and TA= +25°C, Constant-Voltage mode.
14
12
10
8
0.10
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
-0.20
0.10
0.05
0.05
0.00
0.00
-0.05
-0.10
-0.15
-0.20
-0.25
-0.30
-0.05
-0.10
-0.15
-0.20
-0.25
-0.30
6
4
2
IOUT = 10 mA
COUT = 4.7 µF, X7R Ceramic
0
COUT = 4.7 µF, X7R Ceramic
Time (µs)
-2
Time (µs)
FIGURE 2-13:
Line Transient Response.
FIGURE 2-16:
Load Transient Response.
14
12
10
8
0.10
6.0
5.0
4.0
3.0
2.0
120
100
80
0.05
0.00
-0.05
-0.10
-0.15
-0.20
6
60
4
40
MCP73831-2AC/IOT
DD = 5.2V
RPROG = 10 kΩ
2
IOUT = 100 mA
COUT = 4.7 µF, X7R Ceramic
V
1.0
0.0
20
0
-0.25
-0.30
0
-2
Time (minutes)
Time (µs)
FIGURE 2-14:
Line Transient Response.
FIGURE 2-17:
Complete Charge Cycle
(180 mAh Li-Ion Battery).
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
-0.05
0.04
6.0
5.0
4.0
3.0
600
500
400
300
200
100
0
0.02
0.00
-0.02
-0.04
-0.06
-0.08
-0.10
2.0
MCP73831-2AC/IOT
VDD = 5.2V
1.0
0.0
COUT = 4.7 µF, X7R Ceramic
RPROG = 2 kΩ
-0.12
Time (µs)
Time (minutes)
FIGURE 2-15:
Load Transient Response.
FIGURE 2-18:
Complete Charge Cycle
(1000 mAh Li-Ion Battery).
DS21984B-page 8
© 2006 Microchip Technology Inc.
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