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| MCP1703A Datasheet, PDF (9/30 Pages) Microchip Technology – 250 mA, 16V, Low Quiescent Current LDO Regulator | |||
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MCP1703A
Note: Unless otherwise indicated: COUT = 1 µF Ceramic (X7R), CIN = 1 µF Ceramic (X7R), IL = 1 mA, TA = +25°C,
VIN = VOUT(MAX) + VDROPOUT(MAX) or 2.7V, whichever is greater.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.01
VR = 1.2V
VIN = 2.9V
VINAC = 200 mV p-p
CIN = 0 μF
IOUT = 10 mA
0.1
1
10
100
Frequency (kHz)
1000
FIGURE 2-25:
PSRR vs. Frequency.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.01
VR = 5.0V
VIN = 8.5V
VINAC = 800 mV p-p
CIN = 0 μF
IOUT = 250 mA
0.1
1
10
100
Frequency (KHz)
1000
FIGURE 2-28:
PSRR vs. Frequency.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.01
VR = 1.2V
VIN = 3.7V
VINAC = 200 mV p-p
CIN = 0 μF
IOUT = 200 mA
0.1
1
10
100
Frequency (kHz)
1000
FIGURE 2-26:
PSRR vs. Frequency.
10.00
1.00
VR = 5.0V, VIN = 6.0V
VR = 2.8V, VIN = 3.8V
VR = 1.2V, VIN = 2.7V
IOUT = 50 mA
0.10
0.01
0.01
0.10 1.00 10.00 100.00 1000.00
Frequency (kHz)
FIGURE 2-29:
Output Noise vs. Frequency.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.01
VR = 5.0V
VIN = 6.2V
VINAC = 200 mV p-p
CIN = 0 μF
IOUT = 10 mA
0.1
1
10
100
Frequency (KHz)
1000
FIGURE 2-27:
PSRR vs. Frequency.
8
7
VR = 2.5V, RLOAD = 25:
VIN = 0V to 5.3V Step
6
VIN
5
4
3
2
1
VOUT
0
0
200
400
600
800
1000
Time (µS)
FIGURE 2-30:
Power Up Timing.
© 2012 Microchip Technology Inc.
DS25122A-page 9
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