Data Sheet

KA78RM33R — Low Dropout Voltage Regulator
© 2002 Fairchild Semiconductor Corporation www.fairchildsemi.com
KA78RM33R Rev. 1.1.2 4
Typical Performance Characteristics
Figure 3. Normalized Output Voltage Figure 4. Quiescent vs. Temperature
Figure 5. Peak Output Current Figure 6. Output Voltage vs. Temperature
Figure 7. Dropout Voltage vs. Temperature Figure 8. Dropout Voltage vs. Output Current
-40-200 20406080100120
0.98
0.99
1.00
1.01
1.02
V
IN
= 5 V
V
OUT
= 3.3 V
I
O
= 10 mA
Normalized Output Voltage (V)
T
A
- Ambient Temperature (
o
C)
-40-200 20406080100120
0.50
0.75
1.00
1.25
1.50
V
IN
= 5 V
V
OUT
= 3.3 V
I
O
= 0 mA
Quiescent Current (mA)
T
A
- Ambient Temperature (
o
C)
0246810121416
0.00
0.25
0.50
0.75
1.00
T
A
= 25
o
C
Output Current (A)
Input-Output Differential (V)
-40-200 20406080100120
3.22
3.24
3.26
3.28
3.30
3.32
3.34
3.36
3.38
V
IN
= 5 V
V
IN
= 20 V
I
O
= 10 mA
Output Voltage (V)
T
A
- Ambient Temperature (
o
C)
-40 -20 0 20 40 60 80 100 120
300
400
500
600
700
800
I
o
= 0.5 A
Dropout Voltage (mV)
T
A
- Ambient Temperature (
o
C)
0 25 50 75 100 125 150 175 200 225
0
50
100
150
200
250
V
IN
= 5 V
T
A
= 25
o
C
Dropout Voltage (mV)
Output Current (mA)