TYPICAL PERFORMANCE CHARATERISTICS
Refer to the typical application schematic, T
AMB
= +27°C
CH.1=V
IN
2.5V/div
CH.2=V
OUT
2.0V/div
CH.1=V
IN
2.5V/div
CH.2=V
OUT
5.0V/div
CH.4=I
IN
0.5A/div
CH.4=I
IN
0.5A/div
Figure 13. V
IN
Start up, I
OUT
=0.6A, V
OUT
=3.3V
Figure 14. V
IN
Start up, I
OUT
=0.6A, V
OUT
=1.5V
CH.2=V
OUT
50mV/div. AC
CH.2=V
OUT
50mV/div. AC
CH.4=I
OUT
0.5A/div
CH.4=I
IN
0.5A/div
Figure 15. Load Step, I
OUT
=0.4A to 0.8A, V
OUT
=3.3V
Figure 16. Load Step, I
OUT
=0.4A to 0.8A, V
OUT
=1.5V
CH.1=V
SHDN
10V/div.
CH.1=V
SHDN
10V/div.
CH.2=V
OUT
1V/div. AC
CH.2=V
OUT
2V/div. AC
CH.4=ILx
0.5A/div
CH.4=ILx
0.5A/div
Figure 17. Start up from SHDN, I
OUT
=0.6A, V
OUT
=3.3V
Date: 2/1/05
Figure 18. Start up from SHDN, I
OUT
=0.6A, V
OUT
=1.5V
© Copyright 2005 Sipex Corporation
SP6654 High Efficiency 800mA Synchronous Buck Regulator
7
SIPEX [ SIPEX CORPORATION ]
