FAN5033 Datasheet, PDF (10/39 Pages) Fairchild Semiconductor – 8-Bit Programmable, 2- to 3-Phase, Synchronous Buck Controller

Table 1: Output Voltage Programming Codes (extended VR10) ; 0 = logic LOW; 1 = logic HIGH.
VID4
VID3
VID2
VID1
VID0
VID5
VID6
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
1
1
0
1
1
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
0
0
0
1
1
0
0
1
1
0
1
1
0
1
0
1
1
1
1
0
1
0
0
1
0
1
0
1
1
1
1
1
1
1
1
0
0
1
0
1
0
0
1
1
1
0
0
0
0
1
1
1
1
1
1
1
0
0
0
1
0
1
1
1
0
0
1
1
1
1
1
1
1
1
1
1
0
1
1
0
0
0
1
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
0
1
1
0
1
0
0
0
0
1
0
0
1
0
0
1
1
0
0
0
1
1
1
0
0
1
0
0
0
0
1
0
1
0
0
0
1
0
0
0
0
1
1
0
0
0
0
0
1
1
1
0
1
0
0
0
0
0
1
1
1
1
1
0
1
1
1
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
1
0
0
1
1
1
0
1
1
1
0
1
0
1
1
0
1
1
1
1
0
0
0
1
1
0
0
1
1
0
1
1
0
1
0
1
0
1
0
1
0
1
1
1
1
0
1
0
0
1
0
1
0
1
1
0
1
0
1
0
1
0
0
1
0
1
0
0
1
1
1
0
0
0
0
1
0
1
0
1
0
1
0
0
0
1
0
1
1
1
0
0
1
1
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
0
0
1
1
0
1
0
1
0
1
0
0
1
0
1
1
0
1
0
0
0
0
1
0
0
1
0
0
1
1
0
1
0
1
0
1
0
0
0
1
1
1
0
0
1
0
0
0
0
1
0
1
1
0
1
0
1
0
1
0
0
0
0
1
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
1
VOUT (V)
OFF
OFF
OFF
OFF
1.09375
1.10000
1.10625
1.11250
1.11875
1.12500
1.13125
1.13750
1.14375
1.15000
1.15625
1.16250
1.16875
1.17500
1.18125
1.18750
1.19375
1.20000
1.20625
1.21250
1.21875
1.22500
1.23125
1.23750
1.24375
1.25000
1.25625
1.26250
1.26875
1.27500
1.28125
1.28750
1.29375
1.30000
1.30625
1.31250
1.31875
1.32500
1.33125
1.33750
1.34375
1.35000
1.35625
1.36250
1.36875
1.37500
1.38125
1.38750
1.39375
1.40000
1.40625
1.41250
1.41875
1.42500
1.43125
1.43750
1.44375
1.45000
1.45625
1.46250
© 2006 Fairchild Semiconductor 2006
FAN5033 Rev. 1.0.0
10 of 39
www.fairchildsemi.com