MCP1726 Microchip Technology, MCP1726 Datasheet - Page 11

• Manufacturer Part Number: MCP1726
• Description: 1A Low Voltage / Low Quiescent Current LDO Regulator
• Manufacturer: Microchip Technology

NOTE: Unless otherwise indicated, V
FIGURE 2-25:
Rejection (PSRR) vs. Frequency (V
Fixed).
FIGURE 2-26:
Rejection (PSRR) vs. Frequency (V
Fixed).
FIGURE 2-27:
© 2005 Microchip Technology Inc.
V
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0
0
OUT
V
0.01
0.01
IN
C
C
I
C
C
I
OUT
OUT
OUT
IN
OUT
IN
= 0 µF
= 0 µF
= 100 mA
= 100 mA
=10 µF
=22 µF
0.1
0.1
Frequency (kHz)
Frequency (kHz)
Power Supply Ripple
Power Supply Ripple
2.5V (Adj.) Startup from V
1
1
10
10
PWRGD
IN
OUT
OUT
100
100
= V
V
V
OUT
V
OUT
V
IN
IN
OUT
= 2.5V
= 3.3V
= 2.5V
= 3.3V
= 2.5V
= 2.5V
1000
1000
+ 0.5V, I
IN
.
OUT
= 1 mA and T
FIGURE 2-28:
Shutdown.
FIGURE 2-29:
Timing with C
FIGURE 2-30:
Timing with C
SHDN
V
V
V
OUT
OUT
OUT
V
V
IN
IN
A
= +25°C.
BYPASS
BYPASS
2.5V (Adj.) Startup from
Power Good (PWRGD)
Power Good (PWRGD)
of 1000 pF.
of 0.01 µF.
MCP1726
PWRGD
PWRGD
DS21936B-page 11
PWRGD