Corrected ﬁ rst page spacing and sentence in description describing innovative design.
Corrected Frequency Jitter in Figure 4 and Frequency Jitter in Parameter Table.
Added last sentence to Over Temperature Protection section.
Clariﬁ ed detecting when there is no external resistor connected to the EN/UV pin.
Corrected Figure 6 and its description in the text.
Corrected formatting, grammar and style errors in text and ﬁ gures.
Corrected and moved Worst Case EMI & Efﬁ ciency Measurement section.
Added PC Board Cleaning section.
Replaced Figure 21 and SMD-8B Package Drawing.
for P/G package.
Updated Figures 15 and 16 and text description for Zener performance.
Corrected DIP-8B and SMD-8B Package Drawings.
Corrected EN/UV under-voltage threshold in text.
Corrected 2 MW connected between positive DC input to EN/UV pin in text and Figures 15 and 16.
Added TNY263 and TNY265.
Added lead-free ordering information.
1) Typographical correction in OFF-STATE Drain Leakage Current parameter condition.
2) Removed I
condition from BV
3) Added Note 4 to Absolute Maximum Ratings speciﬁ cations.
Reformatted document, updated Figures 23 and 24 and Part Ordering Information.
parameter and added new Note H.
Rev. H 02/09