KA278RA05C Datasheet, PDF (4/20 Pages) Fairchild Semiconductor – 2A Output Low Dropout Voltage Regulators

KA278RXXC-SERIES
Typical Performance Characteristics
KA278R33C
5.25
4.50
3.75
3.00
RL=
2.25
1.50
RL=3.3Ω
0.75
0
0
2
4
6
8
10
Input voltage Vin (V)
Figure 1. Output Voltage vs. Input Voltage
5.25
4.50
3.75
3.00
2.25
1.50
0.75
0
0 0.5 1 1.5 2 2.5 3
Disable voltage Vdis (V)
Figure 3. Output Voltage vs. Disable Voltage
10
8
6
4
2
0
-25
0
25 50 75 100 125
Junction temperature Tj(^oC)
Figure 5. Quiescent Current vs. Temperature(Tj)
100
80
60
40
20
0
0
RL= _∞
5
10
15
20
Input voltage Vin(V)
Figure 2. Quiescent Current vs. Input Voltage
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
-25
0 25 50 75 100 125
TEMPERATURE Tj(^oC)
Figure 4. Output Voltage vs. Temperature(Tj)
0.70
0.65
0.60
0.55
0.50
2.0A
0.45
0.40
0.35
0.30
-25
0
25 50 75 100 125
Junction Temp Tj [℃]
Figure 6. Dropout Voltage vs.Junction Temperature
4