MCP73831T Datasheet

© 2008 Microchip Technology Inc. DS21984E-page 9
MCP73831/2
TYPICAL PERFORMANCE CURVES (CONTINUED)
Note: Unless otherwise indicated, V
DD
= [V
REG
(typical) + 1V], I
OUT
= 10 mA and T
A
= +25°C, Constant-Voltage mode.
FIGURE 2-13: Line Transient Response.
FIGURE 2-14: Line Transient Response.
FIGURE 2-15: Load Transient Response.
FIGURE 2-16: Load Transient Response.
FIGURE 2-17: Complete Charge Cycle
(180 mAh Li-Ion Battery).
FIGURE 2-18: Complete Charge Cycle
(1000 mAh Li-Ion Battery).
-2
0
2
4
6
8
10
12
14
0
20 40 60 80
100 120 140 160 180 200
Time (µs)
Source Voltage (V)
-0.30
-0.25
-0.20
-0.15
-0.10
-0.05
0.00
0.05
0.10
Output Ripple (V)
I
OUT
= 10 mA
C
OUT
= 4.7 µF, X7R Ceramic
-2
0
2
4
6
8
10
12
14
0
20 40 60 80
100 120 140 160 180 200
Time (µs)
Source Voltage (V)
-0.30
-0.25
-0.20
-0.15
-0.10
-0.05
0.00
0.05
0.10
Output Ripple (V)
I
OUT
= 100 mA
C
OUT
= 4.7 µF, X7R Ceramic
-0.05
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0
20 40 60 80
100 120 140 160 180 200
Time (µs)
Output Current (A)
-0.12
-0.10
-0.08
-0.06
-0.04
-0.02
0.00
0.02
0.04
Output Ripple (V)
C
OUT
= 4.7 µF, X7R Ceramic
-0.20
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
0
20 40 60 80
100 120 140 160 180 200
Time (µs)
Output Current (A)
-0.30
-0.25
-0.20
-0.15
-0.10
-0.05
0.00
0.05
0.10
Output Ripple (V)
C
OUT
= 4.7 µF, X7R Ceramic
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0
20 40 60 80
100 120 140 160 180
Time (minutes)
Battery Voltage (V)
0
20
40
60
80
100
120
Charge Current (mA)
MCP73831-2AC/IOT
V
DD
= 5.2V
R
PROG
= 10 kΩ
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0
30 60 90
120 150 180 210 240
Time (minutes)
Battery Voltage (V)
0
100
200
300
400
500
600
Charge Current (mA)
MCP73831-2AC/IOT
V
DD
= 5.2V
R
PROG
= 2 kΩ