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Компоненты Описание
MIC2950 Просмотр технического описания (PDF) - Micrel
Номер в каталоге
Компоненты Описание
производитель
MIC2950
150mA Low-Dropout Voltage Regulator
Micrel
MIC2950 Datasheet PDF : 14 Pages
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MIC2950/2951
Micrel
Ripple Rejection
80
I
L
= 50
µ
A
70
60
I
L
= 100 mA
50
40
C
L
= 1.5
µ
F
30
V
IN
= 6V
V
OUT
= 5V
20
10
10
1
10
2
10
3
10
4
10
5
10
6
FREQUENCY (Hz)
Output Noise
3.5
I
L
= 100 mA
3.0
2.5
C
L
= 220
µ
F
C
L
= 4.7
µ
F
2.0
1.5
C
L
=
3.3
µ
F
1.0
0.5
0.01
µ
F
BYPASS
PIN 1 TO
0.0
PIN 7
10
2
10
3
10
4
10
5
FREQUENCY (Hz)
MIC2951 Divider Resistance
400
300
200
100
0
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (
°
C)
MIC2951 Maximum
Shutdown Threshold Voltage
Line Regulation
Rated Output Current
1.8
30
150
1.6
25
20
I
L
= 100
µ
A
140
8-PIN SOIC
SOLDERED
TO PC BOARD
1.4
1.2
15
130
10
T
J
= 150
°
C
5
I
L
= 1 mA
120
0
100
T
J MAX
= 125
°
C
V
OUT
= 5V
T
A
= 25
°
C
3
80
1.0
0.8
0.6
-75 -50 -25 0 25 50 75 100 125 150
10
5
T
J
= 125
°
C
0
-5
-10
5
10 15
I
L
= 100
µ
A
20 25 30
60 T
A
= 50
°
C
40
20
T
A
= 85
°
C
0
0 5 10 15 20 25 30
TEMPERATURE (
°
C)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
MIC2950 Maximum
Rated Output
150
140
130
TO-92 PACKAGE
.25" LEADS SOLDERED
TO PC BOARD
120
100
T
J MAX
= 125
°
C
80
T
A
= 25
°
C
60
40
T = 85
°
C
20
A
0
0 5 10 15 20 25 30
INPUT VOLTAGE (V)
Thermal Response
5
4
2
0
-2
1
1.25W
0
-1
0 10 20 30 40 50
TIME (
µ
S)
Fold-Back Current Limiting
600
500
400
300
200
100
01 2345
OUTPUT VOLTAGE (V)
February 1999
3-57
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