Datasheet

L4993 Revision history
Doc ID 13517 Rev 8 31/32
6 Revision history
Table 13. Document revision history
Date Revision Changes
June-2004 1 Initial release.
18-Jan-2007 2 Updated Table 5., 6, 7 and 8.
01-Jun-2007 3
Document put in corporate technical literature template.
Updated Table 4.
22-Aug-2007 4 Table 5: General: updated I
short
, I
lim
, I
q,
T
rr2,
V
ih_hist
parameters.
29-Aug-2007 5
Added list of tables and figures.
Added Section 4: Package and PCB thermal data.
08-Apr-2008 6
Document restructured.
Changed Figure 1: Block diagram.
Updated Table 5: General:
– changed I
short
max value from 4000 mA to 400 mA
– changed I
qn_150
typ. value from 1.45 mA to 1.25 mA
– changed I
qn_50
typ. value from 538 µA to 470 µA
– changed I
qn_1
typ. value from 120 µA to 100 µA.
Updated Table 6: Reset:
– corrected trd formula.
Updated Table 7: Watchdog:
– changed Vwlth values in V
o_ref
percentages
– changed Vwhth values in V
o_ref
percentages.
Added Figure 24: L4993 application schematic.
Added Section 2.4: Electrical characteristics curves.
Added Section 2.5: Test circuit and waveforms plot.
09-Mar-2012 7 Updated Table 3: Absolute maximum ratings.
20-Sep-2013 8 Updated disclaimer.