L7986 datasheet(42/43 Pages) STMICROELECTRONICS

42 / 43 page

Revision history

L7986

42/43

DocID022450 Rev 6

Revision history

Table 13. Document revision history

Date

Revision

Changes

07-Nov-2011

Initial release.

01-Mar-2012

Section 8: Package information has been updated.

15-Oct-2012

In Section 5.6 changed temperature value from 130 to 120

°C.

19-Mar-2014

Updated text below Equation 4 on page 13 and in Equation 5 on

page 13 (replaced “DRC” by “DCR”).

Updated Figure 34: Positive buck-boost regulator on page 34

(replaced by new figure).

Updated Section 8: Package information on page 38 (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.

05-May-2014

Updated Table 12: Order codes on page 41 (removed the L7986

order code related to the VFQFPN10 in tube, added the L7986ATR

order code).

05-Sep-2014

Updated Figure 1: Application circuit on page 1 (replaced by new

figure).

Updated Section 5.1 on page 9 (added “typically” between

“frequency” and “works”, added “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.

L7986 Datenblatt(PDF) 42 Page - STMicroelectronics