Datasheet

 2012-2013 Microchip Technology Inc. DS20005122B-page 9
MCP1703A
Note: Unless otherwise indicated: C
OUT
= 1 µF Ceramic (X7R), C
IN
= 1 µF Ceramic (X7R), I
L
= 1 mA, T
A
= +25°C,
V
IN
= V
OUT(MAX)
+ V
DROPOUT(MAX)
or 2.7V, whichever is greater.
FIGURE 2-25: PSRR vs. Frequency.
FIGURE 2-26: PSRR vs. Frequency.
FIGURE 2-27: PSRR vs. Frequency.
FIGURE 2-28: PSRR vs. Frequency.
FIGURE 2-29: Output Noise vs. Frequency.
FIGURE 2-30: Power Up Timing.
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0.01 0.1 1 10 100
1000
PSRR (dB)
Frequency (kHz)
V
R
= 1.2V
V
IN
= 2.9V
V
INAC
= 200 mV p-p
C
IN
= 0 μF
I
OUT
= 10 mA
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0.01 0.1 1 10 100
1000
PSRR (dB)
Frequency (kHz)
V
R
= 1.2V
V
IN
= 3.7V
V
INAC
= 200 mV p-p
C
IN
= 0 μF
I
OUT
= 200 mA
-60
-50
-40
-30
-20
-10
0
PSRR (dB)
V
R
= 5.0V
V
IN
= 6.2V
V
INAC
= 200 mV p-p
C
0
F
-90
-80
-70
0.01 0.1 1 10 100 1000
Frequency (kHz)
C
IN
=
0
ȝ
F
I
OUT
= 10 mA
-60
-50
-40
-30
-20
-10
0
PSRR (dB)
V
R
= 5.0V
V
IN
= 8.5V
V
INAC
= 800 mV p-p
C
0
F
-90
-80
-70
0.01 0.1 1 10 100 1000
Frequency (kHz)
C
IN
=
0
ȝ
F
I
OUT
= 250 mA
0.100
1.000
10.000
ut Noise (µV/¥Hz)
C
IN
= 1 µF, C
OUT
= 1 µF, I
OUT
= 50 mA
V
OUT
= 2.5V
V
IN
= 3.5V
V
OUT
= 5.0V
V
IN
= 6.0V
V
OUT
= 1.2V
V
IN
= 2.7V
0.001
0.010
0.01 0.1 1 10 100 1000
Outp
Frequency (kHz)
0
1
2
3
4
5
6
7
8
0 200 400 600 800 1000
Volts (V)
Time (µs)
V
R
= 2.5V, R
LOAD
= 25Ω
V
IN
= 0V to 5.3V Step
V
IN
V
OUT