QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 908A
POLYPHASE 3-OUTPUT STEP-DOWN SUPPLY WITH TRACKING
5
Efficiency at Vin = 12V, Fsw = 220kHz
84%
86%
88%
90%
92%
94%
96%
0
3
6
9
12
15
18
Load current (Amps)
E
ff
ic
ie
nc
y
3.3V
1.8V
2.5V
Efficiency at Vin = 24V, Fsw = 220kHz
80%
82%
84%
86%
88%
90%
92%
0
3
6
9
12
15
18
Load current (Amps)
E
ff
ic
ie
nc
y
3.3V
1.8V
2.5V
Figure 4. Typical efficiency curves
