Datasheet

DocID022446 Rev 8 43/44
L7985 Revision history
44
10 Revision history
Table 13. Document revision history
Date Revision Changes
07-Nov-2011 1 Initial release.
01-Mar-2012 2 Section 8: Package information has been updated.
16-Oct-2012 3 In Section 5.6 changed temperature value from 130 to 120
°C.
18-Mar-2014 4
Updated text below Equation 4 on page 13 (replaced “DRC” by
“DCR”).
Numbered on page 22, Equation 28 on page 23, and Equation 32 on
page 25.
Updated Section 6.4.2: Type II compensation network on page 23
(added “” to “1 kand 5 k“in 1. on page 24).
Updated Figure 34: Positive buck-boost regulator on page 33
(replaced by a new figure).
Updated Section 8: Package information on page 37 (reversed order
of Figure 38 and Table 10, and Figure 39 and Table 11, minor
modifications).
Updated cross-references throughout document.
Minor modifications throughout document.
02-May-2014 5
Updated Table 12: Order code on page 40 (removed the L7985 order
code related to the VFQFPN10 in tube).
24-Jun-2014 6
Updated Figure 1: Application circuit on page 1 (replaced by new
figure).
Minor modifications throughout document.
05-Sep-2014 7
Updated Figure 1: Application circuit on page 1 (replaced by new
figure).
Updated Section 5.1: Oscillator and synchronization on page 9
(added “typically” between “frequency” and “works”, and “The
SYNCH circuitry is also able to synchronize with a slightly lower
external frequency, so the frequency pre-adjustment with the same
resistor on the FSW pin, as described below, is suggested for
a proper operation.”).
Minor modifications throughout document.
02-Oct-2018 8
Updated Section 8.1: VFDFPN10 (3 x 3 x 1.0 mm) package
information.