TK651xx
STEP-DOWN CONVERTER APPLICATION (CONT.)
THE AMOUNT OF BOARD SPACE NEEDED TO IMPLEMENT THIS STEP-DOWN CONVERTER
An evaluation board for this converter has been made using a TOKO 3DF, D73 or D75 series inductor, using only 0.96
sq. inches of board space. The artwork for the surface-mount circuit board is shown below in Figure 4.
Actual Size
VOUT
G
G
VIN
1.2 "
Note: Short pin 2 to 5 for use with TK651xx
FIGURE 4: TK651xx STEP-DOWN CONVERTER EVALUATION BOARD ARTWORK
Page 18
January 1999 TOKO, Inc.