ZY7120 Datasheet, PDF (8/34 Pages) Power-One – 20A DC-DC Intelligent POL Data Sheet 3V to 13.2V Input 0.5V to 5.5V Output

ZY7120 20A DC-DC Intelligent POL Data Sheet
3V to 13.2V Input • 0.5V to 5.5V Output
5. Typical Performance Characteristics
5.1 Efficiency Curves
96
94
92
90
88
86
84
82
80
78
76
74
Vout=0.5V Vout=1.2V Vout=2.5V
72
0 2 4 6 8 10 12 14 16 18 20
Output Current, A
Figure 2. Efficiency vs. Load. Vin=3.3V, Fsw=500kHz
96
94
92
90
88
86
84
82
80
78
76
74
Vout=0.5V
Vout=1.2V
72
Vout=2.5V
Vout=3.3V
70
0 2 4 6 8 10 12 14 16 18 20
Output Current, A
Figure 3. Efficiency vs. Load. Vin=5V, Fsw=500kHz
94
92
90
88
86
84
82
80
78
76
74
72
Vout=1.2V
Vout=2.5V
70
Vout=3.3V
Vout=5.0V
68
0 2 4 6 8 10 12 14 16 18 20
Output Current, A
Figure 4. Efficiency vs. Load. Vin=12V, Fsw=500kHz
95
90
85
80
75
70
65
60
0.5
Vin=3.3V
Vin=5.0V
1.5
2.5
3.5
Output Voltage, V
Vin=12V
4.5
5.5
Figure 5. Efficiency vs. Output Voltage, Iout=20A,
Fsw=500kHz
REV. 2.1 MAR 14, 2007
www.power-one.com
Page 8 of 34