ir3831 International Rectifier Corp., ir3831 Datasheet - Page 9

• Manufacturer Part Number: ir3831
• Description: Synchronous Buck Regulator For Ddr Applications
• Manufacturer: International Rectifier Corp.

02/20/09
Typical Efficiency and Power Loss Curves
Vin=12V, Vo=0.75V, Io=1A- 8A, Vcc=5V, Fs=400kHz Room Temperature, No Air Flow
90
88
86
84
82
80
78
76
74
72
70
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
1
0
1
1
2
2
3
3
4
4
Iout (A)
Iout (A)
0.75V out
0.75V out
5
5
6
6
IR3831MPbF
7
7
8
8
9