MIC5237 Micrel Semiconductor, MIC5237 Datasheet - Page 5

• Manufacturer Part Number: MIC5237
• Description: 500mA Low-Dropout Regulator Preliminary Information
• Manufacturer: Micrel Semiconductor

Typical Characteristics
January 2000
MIC5237
-100
-20
-40
-60
-80
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6 1E+7
0
10
100
Rejection Ratio
FREQUENCY (Hz)
Power Supply
1k 10k 100k 1M 10M
I
C
OUT
OUT
V
V
IN
OUT
= 100 A
= 1 F
= 6V
= 5V
-100
-20
-40
-60
-80
60
50
40
30
20
10
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6 1E+7
Power Supply Ripple Rejection
0
0
10
0
1mA
100
vs. Voltage Drop
VOLTAGE DROP (V)
0.1
Rejection Ratio
FREQUENCY (Hz)
10mA
Power Supply
1k 10k 100k 1M 10M
5
0.2
I
OUT
I
C
C
OUT
OUT
OUT
V
V
= 100mA
IN
OUT
= 1mA
0.3
= 1 F
= 1 F
= 6V
= 5V
0.4
0.0001
0.001
-100
0.01
-20
-40
-60
-80
0.1
10
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6 1E+7
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6 1E+7
0
1
10
10
V
C
electrolytic
V
V
OUT
OUT
IN
OUT
100
100
Noise Performance
= 6V
Rejection Ratio
FREQUENCY (Hz)
= 5V
FREQUENCY (Hz)
= 10 F
= 5V
Power Supply
1k 10k 100k 1M 10M
1k
10k 100k 1M 10M
I
C
OUT
OUT
1mA
= 100mA
100mA
= 1 F
10mA
MIC5237
Micrel