Datasheet

Micrel, Inc.
MIC5501/2/3/4
April 20, 2015
5
Revision 2.3
Typical Characteristics
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10 100 1,000 10,000 100,000 1,000,000
PSRR (dB)
FREQUENCY (Hz)
Power Supply
Rejection Ratio
C
OUT
= 1µF
C
IN
= 1µF
V
IN
= 3.8V
V
OUT
= 2.8V
I
OUT
= 100mA
I
OUT
= 300mA
10 100 1k 10k 100k
1M
0
20
40
60
80
100
120
140
160
0
50 100 150 200 250 300
DROPOUT VOLTAGE (mV)
OUTPUT CURRENT (mA)
Dropout Voltage
vs. Output Current
V
OUT
= 3.3V
C
IN
= C
OUT
= 1µF
0
20
40
60
80
100
120
140
160
180
200
-40 -20 0 20 40 60 80 100 120
DROPOUT VOLTAGE (mV)
TEMPERATURE (°C)
Dropout Voltage
vs.Temperature
50mA
150mA
V
OUT
= 3.3V
C
IN
= C
OUT
= 1µF
300mA
20
25
30
35
40
45
50
2.5
3.0 3.5 4.0 4.5
5.0 5.5
GROUND CURRENT (µA)
SUPPLY VOLTAGE (V)
Ground Current
vs. Supply Voltage
300mA
V
EN
= V
IN
V
OUT
= 3.3V
C
IN
= C
OUT
= 1µF
100µA
36
37
38
39
40
41
42
43
44
45
46
0 50 100 150 200
250 300
GROUND CURRENT (µA)
LOAD CURRENT (mA)
Ground Current
vs. Load Current
V
IN
= V
EN
= V
OUT
+ 1
V
OUT
= 3.3V
C
IN
= C
OUT
= 1µF
30
32
34
36
38
40
42
44
46
48
50
-40 -20 0 20 40 60 80 100 120
GROUND CURRENT (µA)
TEMPERATURE (°C)
Ground Current
vs. Temperature
100µA
300mA
50mA
150mA
V
IN
= V
EN
= V
OUT
+ 1V
V
OUT
= 3.3V
C
IN
= C
OUT
= 1µF
3.10
3.15
3.20
3.25
3.30
3.35
3.40
3.45
3.50
0 50 100 150 200 250 300
OUTPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
Output Voltage
vs. Output Current
V
IN
= V
EN
= V
OUT
+ 1V
V
OUT
= 3.3V
C
IN
= C
OUT
= 1µF
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
2.5 3.0 3.5 4.0 4.5 5.0 5.5
OUTPUT VOLTAGE (V)
SUPPLY VOLTAGE (V)
Output Voltage
vs. Supply Voltage
V
IN
= V
EN
V
OUT
= 3.3V
C
IN
= C
OUT
= 1µF
50mA
150mA
300mA
3.20
3.25
3.30
3.35
3.40
3.45
3.50
-40 -20 0 20 40 60 80 100 120
OUTPUT VOLTAGE (V)
TEMPERATURE (°C)
Output Voltage
vs. Temperature
300mA
150mA
V
IN
= V
OUT
+ 1V
V
OUT
= 3.3V
C
IN
= C
OUT
= 1µF