MCP1812A-033/LB View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
MCP1812A-033/LB
Microchip Technology
MCP1812A-033/LB Datasheet PDF : 45 Pages
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MCP1811A/11B/12A/12B
Note: Unless otherwise indicated, CIN = COUT = 1 μF (MCP1811X) or 2.2 μF (MCP1812X) ceramic type (X7R),
IOUT = 1 mA, TA = +25°C, VIN = VR + 1V, SHDN = 1 M pull-up to VIN.
100.000
10.000
1.000
0.100
0.010
VIN = 3.5V
VOUT = 2.5V
Load = 50 mA
Output Noise 10 Hz - 100 kHz = 223.04 μVrms
0.001
0.01 0.1
1
10 100 1000
Frequency (kHz)
10000
FIGURE 2-13:
Noise vs. Frequency
(MCP1812X, VR = 2.5V).
-10
VR = 1.0V
-20 No CIN
VIN = 2.5V + 0.2Vpk-pk
-30
10 mA
300 mA
-40
-50
-60
-70
-80
0.01
0.1
1
10
100
1000
Frequency (kHz)
FIGURE 2-16:
Power Supply Ripple
Rejection vs. Frequency (MCP1812X, VR = 1.0V).
100.000
10.000
1.000
0.100
0.010
VIN = 4.3V
VOUT = 3.3V
Load = 50 mA
Output Noise 10 Hz - 100 kHz = 165.65 μVrms
0.001
0.01 0.1
1
10 100 1000
Frequency (kHz)
10000
FIGURE 2-14:
Noise vs. Frequency
(MCP1811X, VR = 3.3V).
-10
VR = 2.5V
-20 No CIN
VIN= 3.6V + 0.2Vpk-pk
-30
10 mA
-40
-50
-60
-70
-80
0.01
0.1
1
10
Frequency (kHz)
300 mA
100
1000
FIGURE 2-17:
Power Supply Ripple
Rejection vs. Frequency (MCP1812X, VR = 2.5V).
100.000
10.000
1.000
0.100
0.010
VIN = 5V
VOUT = 4V
Load = 50 mA
Output Noise 10 Hz - 100 kHz = 265.92 μVrms
0.001
0.01 0.1
1
10 100 1000
Frequency (kHz)
10000
FIGURE 2-15:
Noise vs. Frequency
(MCP1811X, VR = 4.0V).
-10
VR = 3.3V
-20 No CIN
VIN = 4.4V + 0.2Vpk-pk
-30
10 mA
-40
-50
-60
-70
-80
0.01
0.1
1
10
Frequency (kHz)
150 mA
100
1000
FIGURE 2-18:
Power Supply Ripple
Rejection vs. Frequency (MCP1811X, VR = 3.3V).
2018-2019 Microchip Technology Inc.
DS20006088B-page 9
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