Datasheet

MCP1804
DS20002200D-page 14  2009-2013 Microchip Technology Inc.
Note: Unless otherwise indicated: C
OUT
= 1 µF Ceramic (X7R), C
IN
= 1 µF Ceramic (X7R), T
A
=+25°C,
V
IN
=V
R
+2.0V.
FIGURE 2-49: PSRR 3.3V @ 30 mA.
FIGURE 2-50: PSRR 5.0V @ 30 mA.
FIGURE 2-51: PSRR 12V @ 30 mA.
FIGURE 2-52: Ground Current vs. Output
Current.
FIGURE 2-53: Ground Current vs. Output
Current.
FIGURE 2-54: Ground Current vs. Output
Current.
30
40
50
60
70
80
90
S
RR (dB)
V
OUT
= 3.3V
C
IN
= 0
I
OUT
= 30 mA
V
IN_AC
= 0.5Vpk-pk
0
10
20
30
0.01 0.1 1 10 100
P
S
Frequency (kHz)
30
40
50
60
70
80
90
P
SRR (dB)
V
OUT
= 5V
C
IN
= 0
I
OUT
= 30 mA
V
IN_AC
= 0.5Vpk-pk
0
10
20
30
0.01 0.1 1 10 100
P
Frequency (kHz)
30
40
50
60
70
80
90
PSRR (dB)
V
OUT
= 12V
C
IN
= 0
I
OUT
= 30 mA
V
IN_AC
= 0.5Vp-p
0
10
20
30
0.01 0.1 1 10 100
Frequency (kHz)
40
50
60
70
80
n
d Current (µA)
V
OUT
= 5V
V
IN
= 8V
20
30
40
0 25 50 75 100 125 150
Grou
n
Output Current (mA)
40
50
60
70
80
u
nd Current (µA)
V
OUT
= 12V
V
IN
= 15V
20
30
40
0 25 50 75 100 125 150
Gro
u
Output Current (mA)
60
70
80
90
100
n
d Current (µA)
V
OUT
= 15V
V
IN
= 18V
30
40
50
0 25 50 75 100 125 150
Grou
n
Output Current (mA)