MIC5307_07 Datasheet, PDF (5/9 Pages) Micrel Semiconductor – 300mA Micropower μCap Baseband LDO

Micrel, Inc.
Typical Characteristics
Ground Pin Current
vs. Output Current
26
24
22
20
18
16
14
12
10
8
6
4
V_IN = V_OUT + 1V
V_OUT = 2.8V
2
C_OUT = 2.2µF
00 _{50 100 150 200 250 300}
OUTPUT CURRENT (mA)
Power Supply
Rejection Ratio
-80
150mA
-70
-60
-50 ^300mA
50mA
-40
-30
-20
V_IN = V_OUT + 1V
-10 V_OUT = 2.8V
C_OUT = 2.2µF
00.1
1
10 100
FREQUENCY (kHz)
1,000
Output Voltage
vs. Output Current
3.0
2.9
2.8
2.7
V_IN = V_OUT + 1V
V_OUT = 2.8V
C_OUT = 2.2µF
2.60 _{50 100 150 200 250 300}
OUTPUT CURRENT (mA)
Output Voltage
vs. Supply Voltage
3.2
2.8
100µA
2.4
2.0
300mA
1.6
1.2
0.8
0.4
V_OUT = 2.8V
C_OUT = 2.2µF
00 _{1 2 3 4 5 6}
SUPPLY VOLTAGE (V)
August 2007
Ground Pin Current
vs. Temperature
26
24
22
300mA
20
18
100µA
16
14
12
10
8
6
V_IN = V_OUT + 1V
4
V_OUT = 2.8V
2
C_OUT = 2.2µF
0
20 40 60 80
TEMPERATURE (°C)
Dropout Voltage
vs. Output Current
150
125
100
75
50
25
V_OUT = 2.8V
C_OUT = 2.2µF
00 _{50 100 150 200 250 300}
OUTPUT CURRENT (mA)
600
580
560
540
520
500
480
460
4430.0
Current Limit
vs. Input Voltage
V_OUT = 2.8V
C_OUT = 2.2µF
3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
Output Noise
Spectral Density
10
1
0.1
0.01 VIN = 3.8V
V_OUT = 2.8V
C_OUT = 2.2µF
0.0001.01 _{0.1 1 10 100 1,000}
FREQUENCY (kHz)
5
MIC5307
Ground Pin Current
vs. Supply Voltage
26
24
22
300mA
20
18
16
100µA
14
12
10
8
6
4
V_OUT = 2.8V
2
C_OUT = 2.2µF
20.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
Dropout Voltage
vs. Temperature
160
V_OUT = 2.8V
140 COUT = 2.2µF
300mA
120
100
80
150mA
60
100mA
40
50mA
20
100µA
0
20 40 60 80
TEMPERATURE (°C)
Output Voltage
vs. Temperature
3.4
3.2
3.0
2.8
2.6
2.4
V_IN = V_OUT + 1V
2.2
V_OUT = 2.8V
C_OUT = 2.2µF
I_OUT = 100µA
2.0
20 40 60 80
TEMPERATURE (°C)
M9999-082407-B