MCP1727 Microchip Technology, MCP1727 Datasheet - Page 12

• Manufacturer Part Number: MCP1727
• Description: Low Quiescent Current LDO Regulator
• Manufacturer: Microchip Technology

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MCP1727
NOTE: Unless otherwise indicated V
Ceramic (X7R), I
FIGURE 2-25:
Rejection (PSRR) vs. Frequency (V
Fixed).
FIGURE 2-26:
Rejection (PSRR) vs. Frequency (V
Fixed).
FIGURE 2-27:
V
DS21999B-page 12
IN
.
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0
0.01
0.01
0.1
0.1
OUT
= 1 mA, Temperature = +25°C, V
Frequency (kHz)
Frequency (kHz)
Power Supply Ripple
Power Supply Ripple
2.5V (Fixed) Startup from
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
=10 μF ceramic X7R
=22 μF ceramic X7R
10
10
OUT
100
100
OUT
OUT
= 1.8V (Adjustable), V
= 2.5V
= 2.5V
1000
1000
IN
= V
OUT
IN
FIGURE 2-28:
Shutdown.
FIGURE 2-29:
Timing with C
FIGURE 2-30:
Timing with C
+ 0.6V, RPWRGD = 10 kΩ To V
= 2.8V, C
OUT
BYPASS
BYPASS
= 4.7 µF Ceramic (X7R), C
2.5V (Fixed) Startup from
Power Good (PWRGD)
Power Good (PWRGD)
of 1000 pF.
of 0.1 µF.
© 2007 Microchip Technology Inc.
IN
.
IN
= 4.7 µF