MCP1725 Microchip Technology, MCP1725 Datasheet - Page 12
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MCP1725
Manufacturer Part Number
MCP1725
Description
Low Quiescent Current LDO Regulator
Manufacturer
Microchip Technology
Datasheet
1.MCP1725.pdf
(32 pages)
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MCP1725
Note: Unless otherwise indicated, V
C
FIGURE 2-25:
Rejection (PSRR) vs. Frequency (V
Fixed).
FIGURE 2-26:
Rejection (PSRR) vs. Frequency (V
Fixed).
FIGURE 2-27:
DS22026A-page 12
IN
= C
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-80
0
0
0.01
0.01
OUT
= 4.7 µF Ceramic (X7R), SHDN = V
0.1
0.1
Frequency (KHz)
Frequency (KHz)
Power Supply Ripple
Power Supply Ripple
2.5V (Adj.) Startup from V
1
1
V
C
V
C
I
V
C
V
C
I
OUT
OUT
R
IN
R
IN
OUT
IN
OUT
IN
=2.5V Fixed
=2.5V Fixed
=3.3V
=0 μF
=3.3V
=0 μF
=10 mA
=10 mA
=4.7 μF ceramic X7R
=22 μF ceramic X7R
10
10
IN
= V
100
100
OUT
OUT
OUT
= 2.5V
= 2.5V
1000
1000
+ 0.5V or V
IN
, C
IN
DELAY
.
IN
= Open, Fixed Output Version, and T
= 2.3V (whichever is greater), I
FIGURE 2-28:
Shutdown.
FIGURE 2-29:
Timing with Cdelay of 1000 pF (2.5V Fixed).
FIGURE 2-30:
Timing with C
DELAY
of 0.01 µF (2.5V Fixed).
2.5V (Adj.) Startup from
Power Good (PWRGD)
Power Good (PWRGD)
© 2006 Microchip Technology Inc.
OUT
= 1 mA,
A
= +25°C.