Datasheet

© 2007 Microchip Technology Inc. DS21936C-page 11
MCP1726
NOTE: Unless otherwise indicated, V
IN
= V
OUT
+ 0.5V, I
OUT
= 1 mA and T
A
= +25°C.
FIGURE 2-25: Power Supply Ripple
Rejection (PSRR) vs. Frequency (V
OUT
= 2.5V
Fixed).
FIGURE 2-26: Power Supply Ripple
Rejection (PSRR) vs. Frequency (V
OUT
= 2.5V
Fixed).
FIGURE 2-27: 2.5V (Adj.) Startup from V
IN
.
FIGURE 2-28: 2.5V (Adj.) Startup from
Shutdown.
FIGURE 2-29: Power Good (PWRGD)
Timing with C
BYPASS
of 1000 pF.
FIGURE 2-30: Power Good (PWRGD)
Timing with C
BYPASS
of 0.01 µF.
0
10
20
30
40
50
60
70
80
0.01 0.1 1 10 100 1000
Frequency (kHz)
PSRR (dB)
C
OUT
=10 µF
C
IN
= 0 µF
I
OUT
= 100 mA
V
OUT
= 2.5
V
V
IN
= 3.3
V
0
10
20
30
40
50
60
70
80
0.01 0.1 1 10 100 1000
Frequency (kHz)
PSRR (dB)
C
OUT
=22 µF
C
IN
= 0 µF
I
OUT
= 100 mA
V
OUT
= 2.5
V
V
IN
= 3.3
V
V
OUT
V
IN
PWRGD
V
OUT
SHDN
PWRGD
V
OUT
PWRGD
V
IN
V
OUT
V
IN
PWRGD