HT16511 1/8 to 1/16 Duty VFD Controller Revision # 1.60 Modifications made on October 31, 2013 In the Features and other related sections, the 52-pin QFP package was changed to 52-pin LQFP. The Package Information sections was modified. Revision # 1.50 Modifications made on September 30, 2011 The Pad Assignment section was modified. In the D.C. Characteristics section, the IOL and fOS values were modified. Revision # 1.40 Modifications made on April 13, 2011 The D.C. and A.C. Characteristics table were modified. The Application Circuits section was modified. The Package Information section was modified. Revision # 1.30 Modifications made on December 21, 2004 At the Package Information section, the Min. & Max. dimension for A & C was modified. Revision # 1.20 Modifications made on December 22, 2003 At the Package Information section, the Nominal dimension for E was modified from 0.65 to 1.00 mm. Revision # 1.10 Modifications made on September 18, 2003 At the Features section, D.C. Characteristics table and other related sections, the maximum value for the High voltage output VDD was changed from 30V to 35V. The Application Circuits diagram was modified. Revision # 1.00 This was posted on December 26, 2002