MIC5245 查看數據表（PDF） - Micrel
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MIC5245 Datasheet PDF : 12 Pages
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MIC5245
Typical Characteristics
Power Supply
Rejection Ratio
100
IOUT = 100µA
VIN = 4V
80 COUT = 1µF tant VOUT = 3V
60
40
20
10E1+01 11E0+02 1E1k+3 11E0+k4 11E0+05k 1E1M+6 11E0M+7
FREQUENCY (Hz)
Power Supply
Rejection Ratio
100
IOUT = 150mA
80 COUT = 1µF tant
VIN = 4V
VOUT = 3V
60
40
20
10E1+01 11E0+02 1E1k+3 11E0+k4 11E0+05k 1E1M+6 11E0M+7
FREQUENCY (Hz)
Power Supply
Rejection Ratio
100
VIN = 4V
80 VOUT = 3V
60
40
IOUT = 100mA
20
COUT = 10µF cer.
CBYP = 0.01µF
10E1+01 11E0+02 1E1k+3 11E0+k4 11E0+05k 1E1M+6 11E0M+7
FREQUENCY (Hz)
Power Supply Ripple Rejection
vs. Voltage Drop
80
70
100mA
IOUT = 100mA
60
50
40
10mA
30
100µA
20
10
COUT = 10µF cer.
CBYP = 0.01µF
00 200 400 600 800 1000
VOLTAGE DROP (mV)
MIC5245
Power Supply
Rejection Ratio
100
IOUT = 10mA
80 COUT = 1µF tant
VIN = 4V
VOUT = 3V
60
40
20
0
1E1+01 11E0+02 1E1k+3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
Power Supply
Rejection Ratio
100
80
60
40
20 VIN = 4V
IOUT = 100µA
COUT = 10µF cer.
VOUT = 3V CBYP = 0.01µF
0
1E10+1 11E0+02 1E1k+3 11E0+k4 11E0+0k5 1E1M+6 1E0M+7
FREQUENCY (Hz)
Power Supply
Rejection Ratio
100
VIN = 4V
80 VOUT = 3V
60
40
IOUT = 150mA
20 COUT = 10µF cer.
CBYP = 0.01
0
1E10+1 11E0+02 1E1k+3 1E0k+4 1E00+k5 11EM+610EM+7
FREQUENCY (Hz)
Noise Performance
10
IL = 100µA
1
VIN = 4V
0.1 VOUT = 3V
COUT = 1µF cer.
CBYP = 0.01µF
0.01
1E10+1 11E0+02 1E1k+3 11E0+k4 110E0+k5 11EM+6
FREQUENCY (Hz)
4
Micrel
Power Supply
Rejection Ratio
100
IOUT = 100mA
80 COUT = 1µF tant
VIN = 4V
VOUT = 3V
60
40
20
0
1E10+1 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
Power Supply
Rejection Ratio
100
VIN = 4V
80 VOUT = 3V
60
40
IOUT = 10mA
20
COUT = 10µF cer.
CBYP = 0.01µF
10E10+1 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 11E0M+7
FREQUENCY (Hz)
Power Supply Ripple Rejection
vs. Voltage Drop
80
100µA 10mA
70
60
50
40
30
150mA
20
IOUT = 100mA
10
COUT = 1µF
00 200 400 600 800 1000
VOLTAGE DROP (mV)
Noise Performance
10
IL = 100µA
1
VIN = 4V
0.1 VOUT = 3V
COUT = 10µF cer.
CBYP = 0.01µF
0.01
11E0+1 11E0+02 1E1k+3 1E0k+4 1E00+k5 11EM+6
FREQUENCY (Hz)
August 2002
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