Datasheet

TPS40054
TPS40055
TPS40057
www.ti.com
SLUS593H DECEMBER 2003REVISED JULY 2012
ADDITIONAL REFERENCES
RELATED DEVICES
The following devices have characteristics similar to the TPS40054/5/7 and may be of interest.
Table 2. RELATED DEVICES
DEVICE DESCRIPTION
TPS40055-EP Enhanced performance TPS40055.
TPS40054-Q1
TPS40057-Q1 Automotive qualified versions of the TPS5005x series.
TPS40055-Q1
TPS40192
4.5-V to 18-V Controller with Synchronization Power Good
TPS40193
TPS40200 Wide-Input Non-Synchronous DC-DC Controller
REFERENCES
1. Balogh, Laszlo, Design and Application Guide for High Speed MOSFET Gate Drive Circuits, Texas
Instruments/Unitrode Corporation, Power Supply Design Seminar, SEM-1400 Topic 2.
2. PowerPAD Thermally Enhanced Package Texas Instruments, Semiconductor Group, Technical Brief
(SLMA002)
REVISION HISTORY
Changes from Revision F (SEPTEMBER 2008) to Revision G Page
Deleted errors in schematic. ................................................................................................................................................. 1
Changed I
LIM
to I
ILIM
(corrected typographical error) ........................................................................................................... 14
Added clarity to Loop Compensation section ..................................................................................................................... 15
Changed V
IN(UVLO)
to V
IN(min)
in two places (corrected typographic errors) ......................................................................... 16
Changed corrected Equation 46 ......................................................................................................................................... 21
Changed corrected Equation 56 ......................................................................................................................................... 23
Changed corrected Equation 67 ......................................................................................................................................... 24
Changed corrected Equation 69 ......................................................................................................................................... 24
Changed corrected reference designator values in Figure 15 ............................................................................................ 26
Changes from Revision G (SEPTEMBER 2011) to Revision H Page
Added the Thermal Information table ................................................................................................................................... 2
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Product Folder Link(s): TPS40054 TPS40055 TPS40057