MIC5202 Datasheet, PDF (5/6 Pages) Micrel Semiconductor – Dual 100mA Low-Dropout Voltage Regulator Preliminary Information

MIC5202
Supply Current vs. Supply
Voltage (3.3V Version)
60
50
40
30
20
R_L = 66Ω
10
0
01234567
SUPPLY VOLTAGE (V)
1000
Output Impedance
100 I_L = 100µA
10
1
I_L = 1mA
0.1
0.01
0.001
I_L = 100mA
FREQUENCY (Hz)
Ripple
vs. Frequency
100
80
I_L = 100µA
60
40
20
0
FREQUENCY (Hz)
Enable Transient
(3.3V Version)
5
4
3
2
1
C_L = 4.7 µF
0
I_L = 1mA
-41
2
0
-2
-50 0 50 100 150 200 250 300
TIME (µs)
Enable Current Threshold
vs. Temperature
35
30
C_IN = 2.2µF
25
C_OUT = 4.7µF
20
15
10
V_EN = 5V
5
0
V_EN = 2V
-5
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
Ripple
vs. Frequency
100
80
I_L = 1mA
60
40
20
0
FREQUENCY (Hz)
Micrel
Enable Transient
(3.3V Version)
5
4
3
2
1
C_L = 4.7 µF
0
I_L = 100mA
-41
2
0
-2
-50 0 50 100 150 200 250 300
TIME (µs)
Enable Voltage Threshold
vs. Temperature
1.6
1.4
C_IN = 2.2µF
C_OUT = 4.7µF
1.2
3
1
ON
0.8
OFF
0.6
0.4
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
Ripple
vs. Frequency
100
80
I_L = 100mA
60
40
20
0
FREQUENCY (Hz)
July 1998
3-139