MIC5301 Datasheet, PDF (6/11 Pages) Micrel Semiconductor – Single, 150mA μCap ULDO™

Micrel, Inc.
Typical Characteristics
Power Supply
Rejection Ratio
-90
-80
50mA
-70
-60
-50
100µA
-40
150mA
-30
-20 _{VIN = 3.85V}
-10 ^VOUT ^{= 2.85V}
0
C_OUT = 1µF
C_BYP = 0.1µF
100.1
1
10 100
FREQUENCY (kHz)
1,000
Output Voltage
vs. Output Current
2.88
2.87
2.86
2.85
2.84
2.83
2.820
V_IN = V_OUT + 1V
V_OUT = 2.85V
C_OUT = 1µF
25 50 75 100 125 150
OUTPUT CURRENT (mA)
100
90
80
70
60
50
40
30
20
10
00
Ground Current
vs. Output Current
V_IN = V_OUT + 1V
V_OUT = 2.85V
C_OUT = 1µF
25 50 75 100 125 150
OUTPUT CURRENT (mA)
510
500
490
480
470
460
450
440
430
420
4130.0
Current Limit
vs. Input Voltage
V_EN = V_IN
C_OUT = 1µF
3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
November 2006
MIC5301
Dropout Voltage
vs. Temperature
60
55
50
45
V_IN = V_OUT + 1V
V_OUT = 2.8V
C_OUT = 1µF
150mA
40
35
100mA
30
25
20
15
50mA
10
25mA
5
0
TEMPERATURE (°C)
Output Voltage
vs. Supply Voltage
3.0
2.5
2.0
100µA
1.5
1.0
V_OUT = 2.85V
150mA
0.5
00 _{1 2 3 4 5 6}
SUPPLY VOLTAGE (V)
Ground Current
vs. Temperature
90
88
86
84
150mA
82
80
78
100µA
76
74
V_IN = V_OUT + 1V
72
V_OUT = 2.85V
C_OUT = 1µF
70
TEMPERATURE (°C)
Output Noise
Spectral Density
10
1
0.1
0.01 ^VIN ^{= 4V}
V_OUT = 2.85V
C_OUT = 1µF
C_BYP = 0.1µF
0.001
0.01 0.1 1 10
100 1,000 10,000
FREQUENCY (kHz)
6
Dropout Voltage
vs. Output Current
50
45
40
35
30
25
20
15
10
V_IN = V_OUT + 1V
5
V_OUT = 2.85V
C_OUT = 1µF
00 _{25 50 75 100 125 150}
OUTPUT CURRENT (mA)
Output Voltage
vs. Temperature
3.45
3.25
3.05
2.85
2.65
2.45
2.25
V_IN = V_OUT + 1V
V_OUT = 2.85V
C_OUT = 1µF
I_OUT = 100µA
TEMPERATURE (°C)
100
90
80
70
60
50
40
30
20
10
30.0
Ground Current
vs. Supply Voltage
150mA
100µA
3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
M9999-111506