MIC2937A/29371/29372
Micrel
MIC29371/2 Shutdown Current
vs. Temperaure
OUTPUT (mA)
∆
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
150
0
-150
1000
-300
750
500
250
0
-250
-5
5mA
C
OUT
Load Transeint
∆
OUTPUT (mV)
200
100
0
-100
1000
-200
750
500
250
0
-250
-5
5mA
C
OUT
= 100
µF
300
= 10
µF
0
5
TIME (ms)
10
OUTPUT (mA)
0
5
TIME (ms)
10
MIC29372/3 Adjust Pin
Current vs. Temperature
∆
OUTPUT (mV)
50
ADJUST PIN CURRENT (nA)
40
30
20
10
I
LOAD
= 1mA
Line Transient
20
0
-20
10
-40
8
6
4
-0.2
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
TIME (ms)
C
OUT
= 10
µF
I
L
= 5mA
∆
OUTPUT (mV)
40
20
10
0
10
-10
8
6
Line Transient
C
OUT
= 100
µF
I
L
= 5mA
INPUT (V)
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
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)
MIC2937A/29371/29372
24
1x10
6
October 1999
MICREL [ MICREL SEMICONDUCTOR ]
