MIC29150 Datasheet, PDF (13/20 Pages) Micrel Semiconductor – High-Current Low-Dropout Regulators

MIC29150/29300/29500/29750
MIC29751-xx/2 Enable Current
vs. Temperaure
30
25
20
V_EN = 5V
15
10
V_EN = 2V
5
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
MIC29752/3 Adjust Pin Current
vs. Temperature
80
70
60
50
40
30
20
I_LOAD = 10mA
10
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
1500
1000
500
0
-1500.0
7.5
5.0
2.5
0.0
-2.5
-5
MIC2975x
Load Transient
C_OUT = 10 µF
I_LOAD = 10mA
0 5 10 15 20 25
TIME (ms)
MIC2975x
Line Transient
100
50
C_OUT = 10 µF
0
-50
-180.03
6.3
I_LOAD = 10mA
4.3
2.3
-0.2 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
TIME (ms)
MIC2975x Output Impedance
vs. Frequency
10
1
0.1
0.01
0.001
FREQUENCY (Hz)
Micrel
300
200
100
0
-100
-1200.0
7.5
5.0
2.5
0.0
-2.5
-5
MIC2975x
Load Transient
C_OUT = 100 µF
I_LOAD = 10mA
0 5 10 15 20 25
TIME (ms)
MIC2975x
Line Transient
30
20
C_OUT = 100 µF
10
0
-10
-82.30
I_LOAD = 10mA
6.3
4.3
2.3
-0.2 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
TIME (ms)
March 2000
13
MIC29150/29300/29500/29750