FAN5098 Datasheet, PDF (5/17 Pages) Fairchild Semiconductor – Two Phase Interleaved Synchronous Buck Converter for AMD Hammer™

PRODUCT SPECIFICATION
Gate Drive Test Circuit
VOUT
3000pF
tR
10%
90%
2V
tDT
1.2V
tF
90%
2.5V
10%
HDRV
tDT
2V
LDRV
Figure 1. Output Drive Timing Diagram
Table 1. Output Voltage Programming Codes
VID4
VID3
VID2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
0
1
1
0
1
1
0
1
0
1
1
0
1
1
0
1
1
0
1
1
0
0
1
0
0
1
0
0
1
0
0
0
1
1
0
1
1
0
1
1
0
1
1
0
1
0
0
1
0
0
1
0
0
1
0
0
0
1
0
0
1
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
VID1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
Note: Nominal output is typically offset +25mV from VID table.
VID0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
FAN5098
VOUT to CPU
OFF
0.800V
0.825V
0.850V
0.875V
0.900V
0.925V
0.950V
0.975V
1.000V
1.025V
1.050V
1.075V
1.100V
1.125V
1.150V
1.175V
1.200V
1.225V
1.250V
1.275V
1.300V
1.325V
1.350V
1.375V
1.400V
1.425V
1.450V
1.475V
1.500V
1.525V
1.550V
REV. 1.0.7 2/18/03
5