MCP73113_10 Datasheet, PDF (11/34 Pages) Microchip Technology – Single-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection

MCP73113/4
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.
Charge Current
Input Voltage
Battery Voltage
FIGURE 2-13:
(50 ms/Div).
Overvoltage Protection Start
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
R_PROG = 2 kΩ
875 mAh Battery
0.0
0 15 30 45 60 75 90
Time (Minutes)
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
105 120
FIGURE 2-16:
Complete Charge Cycle
(875 mAh Li-Ion Battery.
Input Voltage
Battery Voltage
Charge Current
Source Voltage (V)
Output Ripple (V)
FIGURE 2-14:
(50 ms/Div).
Overvoltage Protection Stop
FIGURE 2-17:
Line Transient Response
(I_LOAD = 10 mA, Output: 1.0V/Div,
Source: 2.0V/Div).
Output Ripple (mV)
Output Current (mA)
FIGURE 2-15:
Load Transient Response
(I_LOAD = 50 mA, Output: 100 mV/Div,
Time: 100 µs/Div).
Source Voltage (V)
Output Ripple (V)
FIGURE 2-18:
Line Transient Response
(I_LOAD = 100 mA, Output: 1.0V/Div,
Source: 2.0V/Div).
© 2010 Microchip Technology Inc.
DS22183C-page 11