MIC5205 Datasheet, PDF (4/12 Pages) Micrel Semiconductor – 150mA Low-Noise LDO Regulator

MIC5205
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
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
-80
I_OUT = 10mA
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
-80
I_OUT = 100mA
C_OUT = 1µF
-100
1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
MIC5205
Micrel
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
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
Rejection Ratio
0
V_IN = 6V
-20 ^VOUT ^{= 5V}
-40
-60
I_OUT = 10mA
-80
C_OUT = 2.2µF
-100
C_BYP = 0.01µF
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
-80
I_OUT = 100mA
C_OUT = 2.2µF
-100
C_BYP = 0.01µF
1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
4
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)
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)
Turn-On Time
vs. Bypass Capacitance
10000
1000
100
10
10
100
1000 10000
CAPACITANCE (pF)
320
280
240
200
160
120
80
40
0
0
Dropout Voltage
vs. Output Current
+125°C
+25°C
–40°C
40
80 120 160
OUTPUT CURRENT (mA)
June 2000