LP2951 Datasheet, PDF (4/10 Pages) Semtech Corporation – 150mA ADJUSTABLE VOLTAGE REGULATOR

LP2951
Typical Performance Characteristics
2.0
1.6
1.2
0.8
0.4
0.1
1
10
100
LOAD CURRENT(mA)
Figure 1. Quiescent Current
250
5V OUTPUT
200
150
RL=50K
100
RL=∞
50
0
0
2
4
6
8
10
INPUT VOLTAGE(V)
Figure 3. Input Current
5.06
5.04
5.02
5.00
4.98
4.96
4.94
-50
5V OUTPUT
-25
0
25
50
75
TEMPERATURE(^oC)
100
125
Figure 5. Output Voltage vs. Temperature
6
5
5V OUTPUT
4
3
RL=50KΩ
RL=50Ω
2
1
0
0
1
2
3
4
5
6
INP UT VO L T A G E (V)
Figure 2. Dropout Characteristics
120
100
80
60
40
20
0
0
RL=50Ω
2
4
6
8
10
INP UT VOLT AGE (V)
Figure 4. Input Current
200
180
160
140
120
100
-50
-25
0
25
50
75
T E M P E R A T UR E (^oC )
100
125
Figure 6. Short Circuit Current
4