MCP73831 Datasheet, PDF (8/24 Pages) Microchip Technology – Miniature Single-Cell, Fully Integrated Li-Ion, Li-Polymer Charge Management Controllers

MCP73831/2
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.
14
12
10
8
6
4
2
I_OUT = 10 mA
0
C_OUT = 4.7 µF, X7R Ceramic
-2
0.10
0.05
0.00
-0.05
-0.10
-0.15
-0.20
-0.25
-0.30
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
-0.20
C_OUT = 4.7 µF, X7R Ceramic
0.10
0.05
0.00
-0.05
-0.10
-0.15
-0.20
-0.25
-0.30
FIGURE 2-13:
Time (µs)
Line Transient Response.
FIGURE 2-16:
Time (µs)
Load Transient Response.
14
12
10
8
6
4
2
I_OUT = 100 mA
0
C_OUT = 4.7 µF, X7R Ceramic
-2
0.10
0.05
0.00
-0.05
-0.10
-0.15
-0.20
-0.25
-0.30
FIGURE 2-14:
Time (µs)
Line Transient Response.
6.0
120
5.0
100
4.0
80
3.0
60
2.0
40
MCP73831-2AC/IOT
1.0
V_DD = 5.2V
20
R_PROG = 10 kΩ
0.0
0
Time (minutes)
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
C_OUT = 4.7 µF, X7R Ceramic
0.04
0.02
0.00
-0.02
-0.04
-0.06
-0.08
-0.10
-0.12
FIGURE 2-15:
Time (µs)
Load Transient Response.
6.0
600
5.0
500
4.0
400
3.0
300
2.0
200
MCP73831-2AC/IOT
1.0 ^VDD ^{= 5.2V}
R_PROG = 2 kΩ
100
0.0
0
Time (minutes)
FIGURE 2-18:
Complete Charge Cycle
(1000 mAh Li-Ion Battery).
DS21984B-page 8
© 2006 Microchip Technology Inc.