Micrel, Inc.
MIC5219
Typical Characteristics
Power Supply
Rejection Ratio
Power Supply
Rejection Ratio
Power Supply
Rejection Ratio
0
0
-20
0
-20
VIN = 6V
VOUT = 5V
VIN = 6V
VOUT = 5V
VIN = 6V
VOUT = 5V
-20
-40
-60
-40
-40
-60
-60
IOUT = 100mA
C OUT = 1µF
-80
-80
-80
IOUT = 100µA
C OUT = 1µF
IOUT = 1mA
C OUT = 1µF
-100
-100
-100
1k
1k
1k
10k
1M 10M
10k
1M 10M
10k
1M 10M
100k
10 100
100k
10 100
100k
10 100
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6 E+7
FREQUENCY (Hz)
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6 E+7
FREQUENCY (Hz)
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6 E+7
FREQUENCY (Hz)
Power Supply
Power Supply
Power Supply Ripple Rejection
Rejection Ratio
Rejection Ratio
vs. Voltage Drop
0
0
60
VIN = 6V
VIN = 6V
50
VOUT = 5V
VOUT = 5V
-20
-20
1mA
40
-40
-60
-40
-60
30
20
10
0
10mA
IOUT = 100mA
IOUT = 1mA
C OUT = 2.2µF
C BYP = 0.01µF
IOUT = 100µA
C OUT = 2.2µF
C BYP = 0.01µF
-80
-80
C OUT = 1µF
0.3 0.4
-100
-100
1k
1k
10k
1M 10M
10k
1M 10M
100k
10 100
100k
10 100
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6 E+7
FREQUENCY (Hz)
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6 E+7
FREQUENCY (Hz)
0
0.1
0.2
VOLTAGE DROP (V)
Power Supply Ripple Rejection
vs. Voltage Drop
Noise Performance
10
Noise Performance
100
10
1
90
80
70
60
50
40
30
20
10
0
10mA, C
= 1µF
OUT
1
0.1
1mA
100mA
10mA
0.1
IOUT = 100mA
10mA
0.01
0.01
0.001
0.0001
VOUT = 5V
1mA
C OUT = 2.2µF
C BYP = 0.01µF
0.001
0.0001
C OUT = 10µF
electrolytic
VOUT = 5V
10
1E+1 1E+2 1E1+k3 1E+4 1E+5 1E+6 1E+7
100 10k 100k 1M 10M
1k
0
0.1
0.2
0.3
0.4
10
10k 100k 1M 10M
1E+1 11E0+02 1E+3 1E+4 E+5 1E+6 1E+7
FREQUENCY (Hz)
VOLTAGE DROP (V)
FREQUENCY (Hz)
Dropout Voltage
vs. Output Current
Dropout Characteristics
Noise Performance
10
1
400
300
200
100
0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
I
=100µA
L
100mA
0.1
I =100mA
0.01
0.001
0.0001
1mA
L
VOUT = 5V
C OUT = 10µF
electrolytic
C BYP = 100pF
I =500mA
L
10mA
0
100 200 300 400 500
OUTPUT CURRENT (mA)
0
1
2
3
4
5
6
7
8
9
1k
10
10k 100k 1M 10M
1E+1 11E0+02 1E+3 1E+4 E+5 1E+6 1E+7
FREQUENCY (Hz)
INPUT VOLTAGE (V)
June 2009
6
M0371-061809
MICREL [ MICREL SEMICONDUCTOR ]
