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LP2951-4.8 View Datasheet(PDF) - Micrel

Part NameDescriptionManufacturer
LP2951-4.8 100mA Low-Dropout Voltage Regulator Micrel
Micrel Micrel
LP2951-4.8 Datasheet PDF : 14 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
LP2950/2951
Typical Performance Characteristics (Continued)
Ripple Rejection
80
IL = 50 µA
70
60
IL = 100 mA
50
40
CL = 1 µF
30 VIN = 6V
VOUT = 5V
20
10
101 102 103 104 105 106
FREQUENCY (Hz)
Output Noise
3.5
IL = 100 mA
3.0
2.5
CL = 220 µF
CL = 1 µF
2.0
1.5
CL =
3.3 µF
1.0
0.01 µF
0.5 BYPASS
PIN 1 TO
0.0 PIN 7
102
103
104
105
FREQUENCY (Hz)
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 (°C)
Line Regulation
30
25
20
IL = 100 µA
15
10 TJ = 150°C
5
IL = 1 mA
0
10
5 TJ = 125°C
0
-5
-10
5
10 15
IL = 100 µA
20 25 30
INPUT VOLTAGE (V)
Micrel
LP2951 Divider Resistance
400
300
200
100
0
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (°C)
LP2950 Maximum
Rated Output Current
120
100
8-PIN MOLDED
DIP SOLDERED
TO PC BOARD
TJ MAX = 125°C
80
VOUT = 5V
60
TA = 25°C
40 TA = 50°C
20
TA = 85°C
0
0 5 10 15 20 25 30
INPUT VOLTAGE (V)
LP2950 Maximum
Rated Output
120
100
80
60
40
TO-92 PACKAGE
0.25" LEADS SOLDERED
TO PC BOARD
TJ MAX = 125°C
TA = 25°C
20 TA = 85°C
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 (µs)
3-42
February 1999
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