Micrel, Inc.
MIC2940A/2941A
Typical Characteristics (continued)
OUTPUT (mV)
125
ENABLE CURRENT (µA)
100
V
E N
= 5V
75
50
V
E N
= 2V
25
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
MIC29401/2 Shutdown Current
vs. Temperature
OUTPUT (mV)
750
500
250
0
-250
Load Transient
C
OUT
= 10 µF
200
100
0
-100
Load Transient
C
OUT
= 100 µF
-500
2.0
1.5
1.0
5mA
0.5
0.0
-0.5
-5
0
5
TIME (ms)
10
-200
2.0
1.5
1.0
5mA
0.5
0.0
-0.5
-5
OUTPUT (A)
OUTPUT (A)
0
5
TIME (ms)
10
OUTPUT (mV)
ADJUST PIN CURRENT (nA)
20
0
-20
10
-40
C
OUT
= 10 µF
OUTPUT (mV)
50
40
30
20
10
MIC29402/3 Adjust Pin
Current vs. Temperature
40
Line Transient
20
10
0
10
-10
Line Transient
C
OUT
= 100 µF
INPUT (V)
INPUT (V)
8
6
4
-0.2
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
TIME (ms)
8
6
4
-0.2
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
TIME (ms)
I
LOAD
= 5mA
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
10
OUTPUT IMPEDANCE ( )
Output Impedance
vs. Frequency
1
0.1
I
LOAD
= 10mA
0.01
1x10
0
1x10
3
100x10
0
FREQUENCY (Hz)
July 2007
6
100x10
3
10x10
0
10x10
3
1x10
6
M9999-071307
MICREL [ MICREL SEMICONDUCTOR ]
