MIC5219 Datasheet, PDF (5/12 Pages) Micrel Semiconductor – 500mA-Peak Output LDO Regulator

MIC5219
Typical Characteristics
Power Supply
Rejection Ratio
0
V_IN = 6V
-20
V_OUT = 5V
-40
-60
-80
I_OUT = 100µA
C_OUT = 1µF
-100
1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
Power Supply
Rejection Ratio
0
V_IN = 6V
-20 ^VOUT ^{= 5V}
-40
-60
I_OUT = 100µA
-80
C_OUT = 2.2µF
C_BYP = 0.01µF
-100
1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
Power Supply Ripple Rejection
vs. Voltage Drop
60
50
1mA
40
30
10mA I_OUT = 100mA
20
10
C_OUT = 1µF
0
0
0.1 0.2 0.3 0.4
VOLTAGE DROP (V)
Noise Performance
10
1
100mA
0.1
10mA
0.01
0.001
V_OUT = 5V
C_OUT = 10µF
1mA
electrolytic
0.0001
1E10+1 11E0+02 1E1k+3 11E0+k4 1E00+k5 1E1M+6 11E0+M7
FREQUENCY (Hz)
July 2000
Power Supply
Rejection Ratio
0
V_IN = 6V
-20
V_OUT = 5V
-40
-60
-80
I_OUT = 1mA
C_OUT = 1µF
-100
1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
Power Supply
Rejection Ratio
0
V_IN = 6V
-20 ^VOUT ^{= 5V}
-40
-60
I_OUT = 1mA
-80
C_OUT = 2.2µF
C_BYP = 0.01µF
-100
1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
Power Supply Ripple Rejection
vs. Voltage Drop
100
90
80
1mA
70
60
50
I_OUT = 100mA
40
10mA
30
20
C_OUT = 2.2µF
10
C_BYP = 0.01µF
0
0
0.1 0.2 0.3 0.4
VOLTAGE DROP (V)
Noise Performance
10
1
100mA
0.1
0.01 _{VOUT = 5V}
1mA
0.001
C_OUT = 10µF
electrolytic
10mA
C_BYP = 100pF
0.0001
1E10+1 11E0+02 1E1k+3 11E0+k4 1E00+k5 1E1M+6 11E0+M7
FREQUENCY (Hz)
5
Micrel
Power Supply
Rejection Ratio
0
V_IN = 6V
-20 ^VOUT ^{= 5V}
-40
-60
-80
I_OUT = 100mA
C_OUT = 1µF
-100
1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
Power Supply
Rejection Ratio
0
V_IN = 6V
-20 ^VOUT ^{= 5V}
-40
-60
I_OUT = 100mA
-80
C_OUT = 2.2µF
C_BYP = 0.01µF
-100
1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
Noise Performance
10
10mA, C_OUT = 1µF
1
0.1
0.01
0.001
0.0001
V_OUT = 5V
1E10+1 11E0+02 1E1+k3 11E0+k4 11E0+05k 11EM+6 11E0+M7
FREQUENCY (Hz)
Dropout Voltage
vs. Output Current
400
300
200
100
00 _{100 200 300 400 500}
OUTPUT CURRENT (mA)
MIC5219