LP2950AS Просмотр технического описания (PDF) - Signal Processing Technologies
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LP2950AS Datasheet PDF : 12 Pages
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LP2950/LP2951
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
LP2950 MAXIUM RATED OUTPUT
120
TO-92 PACKAGE
100
0.25" LEADS SOLDERED
TO PC BOARD
80
60
TJMAX = 125 ºC
LP2951 DIVIDER RESISTANCE
400
300
200
40
20
TA = 85 ºC
TA=25 ºC
0
0 5 10 15 20 25 30
INPUT VOLTAGE (V)
SHUTDOWN THRESHOLD VOLTAGE
1.8
1.6
1.4
1.2
1.0
0.8
0.6
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (ºC)
100
0
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (ºC)
THERMAL RESPONSE
5
4
2
0
-2
~~
1
0
-1
0
1.25W
10
20
30
40
50
TIME (µs)
LP2950 MAXIUM RATED OUTPUT
CURRENT
120
8-PIN
DIPMSOOLLDDEEDRED
100
TO PC BOARD
80
TJMAX = 125º C
VOUT = 5V
TA = 25ºC
60
40
TA = 50ºC
20
TA = 85ºC
0
0
5 10 15 20 25 30
INPUT VOLTAGE (V)
OUTPUT NOISE
3.5
3.0
2.5
CL = 220µF
2.0
IL = 100mA
CL = 1µF
1.5
CL = 3.3µF
1.0
0.5
0.0
102
103
104
105
FREQUENCY (Hz)
LINE REGULATION
30
25
20
15
10
TJ = 150 ºC
5
0
~~
10
5
0
-5
-10
TJ = 125 ºC
5
10
15
IL = 100µA
IL = 1mA
IL = 100µA
20
25
30
INPUT VOLTAGE (V)
RIPPLE REJECTION
80
IL = 50µA
70
60
IL = 100mA
50
40
CL = 1µF
30
VIN = 6V
VOUT = 5V
20
10
101
102
103
104
105
106
FREQUENCY (Hz)
Rev. 11/2/00
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