Technical Reference Note (APC08)
Performance Curves - Efficiency
3.3V Efficiency VS Load Current @ Ta = 25 deg C
2.5V Efficiency VS Load Current @ Ta = 25 deg C
95
90
85
80
75
70
65
60
95
90
85
80
75
70
65
60
4Vin
5Vin
6Vin
3Vin
3.3Vin
6Vin
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
8.0
8.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
8.0
8.0
LOAD CURRENT [Amp]
LOAD CURRENT [Amp]
Figure 7. APC08F03 Efficiency Curve.
Figure 8. APC08G03 Efficiency Curve.
1V8 Efficiency VS Load Current @ Ta = 25 deg C
1.5V Efficiency VS Load Current @ Ta = 25 deg C
95
90
85
80
75
70
65
60
95
90
85
80
75
70
65
60
2.2Vin
3.3Vin
6Vin
1.8Vin
3.3Vin
6Vin
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
LOAD CURRENT [Amp]
LOAD CURRENT [Amp]
Figure 9. APC08Y03 Efficiency Curve.
Figure 10. APC08M03 Efficiency Curve.
1V2 Efficiency VS Load Current @ Ta = 25 deg C
0.9V Efficiency VS Load Current @ Ta = 25 deg C
90
85
80
75
70
65
60
55
85
80
75
70
65
60
55
50
1.8Vin
1.8Vin
3.3Vin
6Vin
3.3Vin
6Vin
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
LOAD CURRENT [Amp]
LOAD CURRENT [Amp]
Figure 11. APC08K03 Efficiency Curve.
Figure 12. APC08J03 Efficiency Curve.
SHEET 12 OF 23
MODEL: APC08 SERIES
OCTOBER 4, 2004 - REVISION 03
ASTEC [ Astec America, Inc ]
