MIC5524 Datasheet, PDF (4/13 Pages) Micrel Semiconductor – High-Performance 500mA LDO

Micrel, Inc.
Typical Characteristics
Power Supply
Rejection Ratio
-100
-90
-80
100µA
-70
I_OUT = 150mA
-60
-50
-40 _{IOUT = 300mA}
-30
-20
C_OUT = 2.2µF
C_IN = 2.2µF
-10 ^{VIN = 4.3V}
V_OUT = 3.3V
500mA
0
10 110000 1,10k00 101,0k0010100,000k10,0010M,01000,01000M,000
FREQUENCY (Hz)
Ground Current
vs. Supply Voltage
55
50
45
500mA
40
35
30
25
20
2.5
100µA
V_EN = V_IN = V_OUT + 1
V_OUT = 3.3V
C_IN = C_OUT = 2.2µF
3
3.5
4
4.5
5
5.5
SUPPLY VOLTAGE (V)
3.50
3.45
3.40
3.35
3.30
3.25
3.20
3.15
3.10
0
Output Voltage
vs. Output Current
V_IN = V_EN = V_OUT+ 1V
V_OUT = 3.3V
C_IN = C_OUT = 2.2µF
100
200
300
400
500
OUTPUT CURRENT (mA)
MIC5524
Dropout Voltage
vs. Output Current
260
240
220
200
180
160
140
120
100
80
60
40
20
0
0
V_OUT = 3.3V
C_IN = C_OUT = 2.2µF
50 100 150 200 250 300 350 400 450 500
OUTPUT CURRENT (mA)
Ground Current
vs. Load Current
46
45
44
43
42
41
40
39
38
37
36
0
V_IN = V_EN = V_OUT + 1
V_OUT = 3.3V
C_IN = C_OUT = 2.2µF
50 100 150 200 250 300 350 400 450 500
LOAD CURRENT (mA)
Output Voltage
vs.Supply Voltage
3.5
3.4
3.3
50mA
3.2
3.1
3.0
300mA
2.9
2.8
2.7
2.6
2.5
2.5
500mA
V_IN = V_EN = V_OUT + 1
V_OUT = 3.3V
C_IN = C_OUT = 2.2µF
3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
Dropout Voltage
vs.Temperature
350
500mA
300
250
200
300mA
150
100
V_OUT = 3.3V
50
C_IN = C_OUT = 2.2µF
50mA
0
-40 -20
0
20 40 60 80
TEMPERATURE (°C)
50
48
46
44
42
40
38
36
34
32
30
-40
Ground Current
vs. Temperature
300mA
500mA
V_IN = V_EN = V_OUT + 1V
V_OUT = 3.3V
C_IN = C_OUT = 2.2µF
100µA
-20
0
20 40 60 80
TEMPERATURE (°C)
Output Voltage
vs.Temperature
3.5
3.45
V_IN = V_OUT + 1V
V_OUT = 3.3V
C_IN =C_OUT = 2.2µF
3.4
3.35
3.3
500mA
3.25
300mA
3.2
-40 -20
0
20 40 60 80
TEMPERATURE (°C)
May 15, 2013
4
Revision 1.0