Datasheet

 2009-2013 Microchip Technology Inc. DS22191E-page 9
MCP73123/223
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: Overvoltage Protection Start
(50
ms/Div).
FIGURE 2-14: Overvoltage Protection Stop
(50
ms/Div).
FIGURE 2-15: Load Transient Response
(I
LOAD
= 50 mA, Output Ripple: 100 mV/Div,
Output Current: 50
mA/Div, Time: 100 µs/Div).
FIGURE 2-16: Complete Charge Cycle
(1100
mAh LiFePO
4
Battery).
FIGURE 2-17: Line Transient Response
(I
LOAD
= 10 mA, Source Voltage: 2V/Div, Output
Ripple: 100
mV/Div, Time: 100 µs/Div).
FIGURE 2-18: Line Transient Response
(I
LOAD
= 100 mA, Source Voltage: 2V/Div, Output
Ripple: 100
mV/Div, Time: 100 µs/Div).
Charge Current
Input Voltage
Battery Voltage
Charge Current
Input Voltage
Battery Voltage
Output Ripple (mV)
Output Current (mA)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0 10203040506070
Time (Minutes)
Battery Voltage (V)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Supply Current (A)
V
DD
= 5V
R
PROG
= 1 kΩ
1100 mAh LiFePO
4
Battery
Thermal Regulation
Source Voltage (V)
Output Ripple (mV)
Source Voltage (V)
Output Ripple (mV)