MIC5208_02 Datasheet, PDF (5/8 Pages) Micrel Semiconductor – Dual 50mA LDO Regulator

MIC5208
Typical Characteristics
Output Impedance
1000
100
I_L = 100µA
10
I_L = 1mA
1
0.1
I_L = 50mA
0.01
FREQUENCY (Hz)
Ripple Voltage
vs. Frequency
100
80
60
40
I_L = 100µA
20
C_L = 1µF
V_IN = V_OUT + 1
0
FREQUENCY (Hz)
Ripple Voltage
vs. Frequency
100
80
60
40
I_L = 1mA
20
C_L = 1µF
V_IN = V_OUT + 1
0
FREQUENCY (Hz)
Ripple Voltage
vs. Frequency
100
80
60
40
I_L = 50mA
20
C_L = 1µF
V_IN = V_OUT + 1
0
1997
FREQUENCY (Hz)
Micrel
Load Transient
200
0
-200
-1400
C_OUT = 1µF
V_IN = V_OUT + 1
50
0
-50
-1 0 1 2 3 4 5 6 7 8
TIME (ms)
Line Transient
(MIC5208-3.3)
3
2
C_L = 1µF
1
I_L = 1mA
0
-1
-28
6
4
2
-0.2 0.0 0.2 0.4 0.6 0.8 1.0
TIME (ms)
Enable Characteristics
(MIC5208-3.3)
4.0
3.0
2.0
1.0
C_L = 1µF
0.0
I_L = 100µA
-1.40
2
0
-2
-2 0 2 4 6 8 10
TIME (µs)
Enable Voltage
vs. Temperature
1.50
C_IN = 10µF
1.25
C_OUT = 1µF
I_L = 1mA
1.00
0.75
V_OFF
V_ON
0.50
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
5
100
0
-100
-1200
50
0
-50
-5
Load Transient
C_OUT = 10µF
V_IN = V_OUT + 1
0 5 10 15 20
TIME (ms)
Line Transient
(MIC5208-3.3)
2
1
C_L = 11µF
I_L = 1mA
0
-18
6
4
2
-0.2 0.0 0.2 0.4 0.6 0.8 1.0
TIME (ms)
Enable Characteristics
(MIC5208-3.3)
5
4
3
2
1
C_L = 1µF
0
I_L = 100µA
-41
2
0
-2
-0.2 0.0 0.2 0.4 0.6 0.8 1.0
TIME (ms)
Enable Current
vs. Temperature
40
C_IN = 10µF
C_OUT = 1µF
30
I_L = 1mA
20
V_EN = 5V
10
V_EN = 2V
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
MIC5208