L4993D datasheet(29/30 Pages) STMICROELECTRONICS

29 / 30 page

L4993

Revision history

29/30

Revision history

Table 13.

Document revision history

Date

Revision

Changes

June-2004

Initial release.

18-Jan-2007

Updated Table 5., 6, 7 and 8.

01-Jun-2007

Document put in corporate technical literature template.

Updated Table 4.

22-Aug-2007

Table 5: General: updated Ishort, Ilim, Iq, Trr2, Vih_hist parameters.

29-Aug-2007

Added list of tables and figures.

Added Section 4: Package and PCB thermal data.

08-Apr-2008

Document restructured.

Changed Figure 1: Block diagram.

Updated Table 5: General:

– changed Ishort max value from 4000 mA to 400 mA

– changed Iqn_150 typ. value from 1.45 mA to 1.25 mA

– changed Iqn_50 typ. value from 538 µA to 470 µA

– changed Iqn_1 typ. value from 120 µA to 100 µA.

Updated Table 6: Reset:

– corrected trd formula.

Updated Table 7: Watchdog:

– changed Vwlth values in Vo_ref percentages

– changed Vwhth values in Vo_ref percentages.

Added Figure 24: L4993 application schematic.

Added Section 2.4: Electrical characteristics curves.

Added Section 2.5: Test circuit and waveforms plot.

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