MIC2920A/29201/29202/29204
Micrel, Inc.
125
100
ENABLE CURRENT (µA)
MIC 29201/2 S hutdown C urrent
vs . T emperaure
∆
OUTPUT (mV)
200
100
0
-100
600
-200
400
200
0
-200
-5
0
L oad T rans ient
∆
OUTPUT (mV)
C
OUT
= 10µF
100
50
0
-50
600
-100
400
200
0
-200
-5
0
L oad T rans ient
C
OUT
= 100µF
V
E N
= 5V
75
50
OUTPUT (mA)
V
E N
= 2V
25
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
1mA
OUTPUT (mA)
1mA
5
10 15
TIME (ms)
20
25
5
10 15
TIME (ms)
20
25
50
40
30
20
MIC 29202 A djus t P in
C urrent vs . T emperature
∆
OUTPUT (mV)
40
20
0
-20
-40
10
8
6
L ine T rans ient
∆
OUTPUT (mV)
C
OUT
= 10
µF
I
L
= 10mA
20
10
0
-10
-20
10
8
6
L ine T rans ient
C
OUT
= 100
µF
I
L
= 10mA
ADJUST PIN CURRENT (nA)
INPUT (V)
10
I
LOAD
= 1mA
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)
10
Output Impedanc e
vs . F requenc y
OUTPUT IMPEDANCE (Ω)
1
0.1
I
LOAD
= 10mA
1x10
0
1x10
3
100x10
0
1
10
100 1k 10k 100k 1M
FREQUENCY (Hz)
R ipple R ejec tion
0
C
L
= 10µF
-20
REJECTION (dB)
I
L
= 100mA
-40
-60
-80
-100
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6
10 100
1k
10k 100k 1M
FREQUENCY (Hz)
1mA
February 2005
7
100x10
3
10x10
0
10x10
3
1x10
6
0.01
M9999-021505
MICREL [ MICREL SEMICONDUCTOR ]
