Data Sheet
AZ1117
1A LOW DROPOUT LINEAR REGULATOR
CURRENT MODE PWM CONTROLLER
AZ2842/3/4/5
Typical Performance Characteristics
0.2
0.1
1.2
1.1
TA=0oC
AZ1117-ADJ
1.0
TA=25oC
0.9
TA=125oC
0.0
0.8
0.7
0.6
0.5
-0.1
-0.2
-50
-25
0
25
50
75
100
125
0.2
0.4
0.6
0.8
1.0
Junction Temperature (oC)
Output Current (A)
Figure 5. Load Regulation vs. Junction Temperature
Figure 4. Dropout Voltage vs. Output Current
3.40
1.280
1.275
1.270
1.265
1.260
1.255
1.250
1.245
1.240
1.235
1.230
3.35
AZ1117-3.3V
3.30
3.25
3.20
3.15
3.10
-50
-25
0
25
50
75
100
125
-50
-25
0
25
50
75
100
125
Junction Temperature (oC)
Junction Temperature (oC)
Figure 7. Output Voltage vs. Junction Temperature
Figure 6. Reference Voltage vs. Junction Temperature
Oct. 2005 Rev. 1. 7
BCD Semiconductor Manufacturing Limited
15