MIC2940A/2941A
Micrel
MIC29401/2 Shutdown Current
vs. Temperaure
∆
OUTPUT (mV)
OUTPUT (A)
∆
OUTPUT (mV)
125
ENABLE CURRENT (µA)
100
V
EN
= 5V
75
50
V
EN
= 2V
25
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
Load Transient
750
500
250
0
-250
2.0
-500
1.5
1.0
0.5
0.0
-0.5
-5
5mA
200
100
0
-100
2.0
-200
1.5
1.0
0.5
0.0
-0.5
-5
C
OUT
= 10
µF
Load Transient
C
OUT
= 100
µF
OUTPUT (A)
5mA
0
5
TIME (ms)
10
0
5
TIME (ms)
10
MIC29402/3 Adjust Pin
Current vs. Temperature
∆
OUTPUT (mV)
ADJUST PIN CURRENT (nA)
20
0
-20
10
-40
8
6
C
OUT
= 10
µF
∆
OUTPUT (mV)
50
40
30
20
10
I
LOAD
= 5mA
Line Transient
40
20
10
0
10
-10
8
6
Line Transient
C
OUT
= 100
µF
INPUT (V)
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
4
-0.2
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
TIME (ms)
INPUT (V)
4
-0.2
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
TIME (ms)
Output Impedance
vs. Frequency
10
OUTPUT IMPEDANCE (Ω)
1
0.1
I
LOAD
= 10mA
0.01
1x10
0
10x10
0
100x10
0
1x10
3
10x10
3
100x10
3
FREQUENCY (Hz)
MIC2940A/2941A
6
1x10
6
June 1999
MICREL [ MICREL SEMICONDUCTOR ]
