Datasheet

TPS2490
TPS2491
SLVS503D –NOVEMBER 2003–REVISED JULY 2012 www.ti.com
REVISION HISTORY
Note: Page numbers of current version may differ from page numbers of previous versions.
Changes from Original (November 2003) to Revision A Page
• Deleted Lead temperature spec. from Abs Max Ratings table ............................................................................................. 2
• Changed V
PROG
MIN voltage spec. from: 0 to: 0.4; added footnote (1) to the RECOMMENDED OPERATING
CONDITIONS table ............................................................................................................................................................... 2
• Deleted footnote - Not tested in production from t
F_TRIP
....................................................................................................... 3
• Added clarification sentence to the GATE pin description, regarding adding capacitance. ................................................. 9
• Changed V
(VCC-OUT).
to V
(SENSE-OUT)
in the OUT pin description. ............................................................................................ 9
• Changed from: (0–4 V) to: (0.4 – 4 V) in the PROG pin description .................................................................................... 9
• Changed from: 2.5 V to: 2.7 V in the PG pin description. .................................................................................................. 10
• Added text to the PG pin description. ................................................................................................................................. 10
• Changed from: V
(VCC–OUT)
to: V
(SENSE–OUT)
........................................................................................................................... 12
• Added text to the Gate Capacitor (dV/dt) Control section description ................................................................................ 16
• Added text to the High Gate Capacitance Applications section description ....................................................................... 17
• Added The Input Bypass section description. .................................................................................................................... 17
Changes from Revision A (March 2010) to Revision B Page
• Added Feature: Calculator Tool Available (SLVC033) ......................................................................................................... 1
• Added a sentence to the first paragraph of the DESIGN PROCEDURE section - See SLVC033 for a calculation tool
to help with this process. .................................................................................................................................................... 14
• Added the Gate Capacitor (dV/dt) Control section: Revised text and Equation 12 ............................................................ 16
Changes from Revision B (March 2010) to Revision C Page
• Changed Figure 15, From: I
IN
= 5 A/div To: I
IN
= 0.5 A/div ................................................................................................. 13
Changes from Revision C (September 2011) to Revision D Page
• Added Input voltage range, OUT as an individual line in the Abs Max Table ...................................................................... 2
• Added Operating voltage range to the RECOMMENDED OPERATING CONDITIONS table ............................................. 2
• Changed Supply Current Disabled Test Conditions From: V
EN
= Lo, V
SENSE
= V
VCC
= V
OUT
= 0 To: V
EN
= Lo, V
SENSE
=
V
VCC
= V
OUT
........................................................................................................................................................................... 3
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