MIC5237 Datasheet, PDF (5/8 Pages) Micrel Semiconductor – 500mA Low-Dropout Regulator Preliminary Information

MIC5237
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)
Micrel
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 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
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)
Noise Performance
10
1
100mA
0.1
10mA
0.01
V_OUT = 5V
0.001 _{COUT = 10µF}
1mA
electrolytic
0.0001
1E10+1 11E0+02 1E1k+3 11E0+k4 11E0+0k5 1E1M+6 11E0+M7
FREQUENCY (Hz)
January 2000
5
MIC5237