Datasheet

 2009-2013 Microchip Technology Inc. DS20002200D-page 13
MCP1804
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 2-43: SHDN Response.
FIGURE 2-44: SHDN
Response.
FIGURE 2-45: SHDN
Response.
FIGURE 2-46: PSRR 3.3V @ 1 mA.
FIGURE 2-47: PSRR 5.0V @ 1 mA.
FIGURE 2-48: PSRR 12.0V @ 1 mA.
3
4
5
6
7
8
2
0
2
4
6
8
u
t Voltage (V)
D
N Voltage (V)
V
OUT
SHDN
0
1
2
3
-8
-6
-4
-
2
Outp
u
SH
D
Time (1 ms/div)
V
R
= 3.3V
I
OUT
= 30 mA
3
4
5
6
7
8
2
0
2
4
6
8
p
ut Voltage (V)
D
N Voltage (V)
V
OUT
SHDN
0
1
2
3
-8
-6
-4
-
2
Out
p
SH
D
Time (1 ms/div)
V
R
= 5V
I
OUT
= 30 mA
9
12
15
18
0
5
10
15
u
t Voltage (V)
D
N Voltage (V)
V
OUT
SHDN
0
3
6
-15
-10
-5
Outp
u
SH
D
Time (1 ms/div)
V
R
= 12V
I
OUT
= 30 mA
30
40
50
60
70
80
90
PSRR (dB)
V
OUT
= 3.3V
C
IN
= 0
I
OUT
= 1 mA
V
IN_AC
= 0.5Vpk-pk
0
10
20
30
0.01 0.1 1 10 100
Frequency (kHz)
30
40
50
60
70
80
90
PSRR (dB)
V
OUT
= 5V
C
IN
= 0
I
OUT
= 1 mA
V
IN_AC
= 0.5Vpk-pk
0
10
20
30
0.01 0.1 1 10 100
Frequency (kHz)
30
40
50
60
70
80
90
P
SRR (dB)
V
OUT
= 12V
C
IN
= 0
I
OUT
= 1 mA
V
IN_AC
= 0.5Vpk-pk
0
10
20
30
0.01 0.1 1 10 100
P
Frequency (kHz)