Datasheet

© 2007 Microchip Technology Inc. DS22036B-page 7
MCP73811/2
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.
FIGURE 2-13: Charge Current (I
OUT
) vs.
Junction Temperature (T
J
) - MCP73812.
FIGURE 2-14: Charge Current (I
OUT
) vs.
Junction Temperature (T
J
) - MCP73812.
FIGURE 2-15: Power Supply Ripple
Rejection (PSRR).
FIGURE 2-16: Power Supply Ripple
Rejection (PSRR).
FIGURE 2-17: Line Transient Response.
FIGURE 2-18: Line Transient Response.
0
15
30
45
60
75
90
105
120
25 35 45 55 65 75 85 95
105 115 125 135 145 155
Junction Temperature (°C)
Charge Current (mA)
R
PROG
= 10 kΩ
0
75
150
225
300
375
450
525
25 35 45 55 65 75 85 95
105 115 125 135 145 155
Junction Temperature (°C)
Charge Current (mA)
R
PROG
= 2 kΩ
-60
-50
-40
-30
-20
-10
0
0.01 0.1 1 10 100 1000
Frequency (kHz)
Attenuation (dB)
V
AC
= 100 mVp-p
I
OUT
= 10 mA
C
OUT
= 4.7 μF, X7R
Ceramic
-60
-50
-40
-30
-20
-10
0
0.01 0.1 1 10 100 1000
Frequency (kHz)
Attenuation (dB)
V
AC
= 100 mVp-p
I
OUT
= 100 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
= 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