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