FAN50FC3 Datasheet, PDF (10/21 Pages) Fairchild Semiconductor – 8-Bit Programmable, 2- to 3-Phase FastvCore™ Buck Controller

Table 1. Output Voltage Programming Codes (extended VR10); 0 = logic LOW; 1 = logic HIGH.
VID4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
VID3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
© 2007 Fairchild Semiconductor Corporation
FAN50FC3 Rev. 1.0.0
VID2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
VID1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
VID0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
10 of 21
VID5
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
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
1
1
VID6
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
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
1
0
1
V_OUT (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
1.46875
1.47500
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