MIC2937A/29371/29372
Micrel, Inc.
OUTPUT (mA) ∆ OUTPUT (mV)
ENABLE CURRENT (µA)
100
75
50
25
150
0
-150
C
OUT
= 10 µF
OUTPUT (mA) ∆ OUTPUT (mV)
125
MIC29371/2 Shutdown Current
vs. Temperaure
300
Load Transient
200
100
0
-100
Load Transeint
C
OUT
= 100 µF
V
EN
= 5V
V
EN
= 2V
0
-60 -30 0 30 60 90 120 150
TEMPERATURE °C)
(
-300
1000
750
500
5mA
250
0
-250
-5
0
5
TIME (ms)
10
-200
1000
750
500
5mA
250
0
-250
-5
0
5
TIME (ms)
10
∆ OUTPUT (mV)
ADJUST PIN CURRENT (nA)
40
30
20
10
I
LOAD
= 1mA
20
0
C
OUT
= 10 µF
I
L
= 5mA
∆ OUTPUT (mV)
50
MIC29372/3 Adjust Pin
Current vs. Temperature
40
Line Transient
20
10
0
Line Transient
C
OUT
= 100 µF
I
L
= 5mA
-20
-40
10
8
6
4
-0.2
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
TIME (ms)
-10
10
8
6
4
-0.2
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
TIME (ms)
0
-60 -30 0 30 60 90 120 150
TEMPERATURE °C)
(
10
Output Impedance
vs. Frequency
OUTPUT IMPEDANCE (Ω)
1
0.1
I
LOAD
= 10mA
0.01
10x10
0
1x10
3
100x10
0
100x10
3
1x10
0
10x10
3
FREQUENCY (Hz)
May 2006
7
1x10
6
INPUT (V)
INPUT (V)
MIC2937A/29371/29372
MICREL [ MICREL SEMICONDUCTOR ]
