Datasheet

 2007-2013 Microchip Technology Inc. DS22057B-page 13
MCP1826/MCP1826S
Note: Unless otherwise indicated, C
OUT
= 4.7 µF Ceramic (X7R), C
IN
= 4.7 µF Ceramic (X7R), I
OUT
= 1 mA,
Temperature = +25°C, V
IN
= V
OUT
+ 0.6V, Fixed output.
FIGURE 2-19: Dropout Voltage vs. Load
Current.
FIGURE 2-20: Dropout Voltage vs.
Temperature.
FIGURE 2-21: Short Circuit Current vs.
Input Voltage.
FIGURE 2-22: Output Noise Voltage
Density vs. Frequency.
FIGURE 2-23: Power Supply Ripple
Rejection (PSRR) vs. Frequency (Adjustable).
FIGURE 2-24: Power Supply Ripple
Rejection (PSRR) vs. Frequency.
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0 200 400 600 800 1000
Load Current (mA)
Dropout Voltage (V)
V
OUT
= 5.0V
V
OUT
= 2.5V
0.20
0.22
0.24
0.26
0.28
0.30
0.32
0.34
-45 -20 5 30 55 80 105 130
Temperature (°C)
Dropout Voltage (V)
I
OUT
= 1000 mA
V
OUT
= 2.5V
V
OUT
= 5.0V
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
1.60
1.80
2.00
0123456
Input Voltage (V)
Short Circuit Current (A)
V
OUT
= 0.8V
0.010
0.100
1.000
10.000
0.01 0.1 1 10 100
1000
Noise (PPV/Hz)
Frequency (kHz)
V
R
=0.8V, V
IN
=2.3V
V
R
=3.3V, V
IN
=4.1V
C
OUT
=1 μF ceramic X7R
C
IN
=10 μF ceramic
I
OUT
=200 mA
-80
-70
-60
-50
-40
-30
-20
-10
0
0.01 0.1 1 10 100 1000
Frequency (kHz)
PSRR (dB)
V
R
=1.2V Adj
C
OUT
=10 μF ceramic X7R
V
IN
=3.1V
C
IN
=0 μF
I
OUT
=10 mA
-80
-70
-60
-50
-40
-30
-20
-10
0
0.01 0.1 1 10 100 1000
Frequency (kHz)
PSRR (dB)
V
R
=3.3V Fixed
C
OUT
=22 μF ceramic X7R
V
IN
=3.9V
C
IN
=0 μF
I
OUT
=10 mA