Datasheet

SW
VIN
GND
BOOT
FB
COMP
TPS54340
EN
RT/CLK
Cpole
Czero
Rcomp
RT
Co
Lo
Cboot
Cin
R1
R2
Cd
VIN
VOUT
+
+
GND
TPS54340
www.ti.com SLVSBK0B –OCTOBER 2012–REVISED MARCH 2014
Device Functional Modes (continued)
8.4.3.2 Split Rail Power Supply
The TPS54340 can be used to convert a positive input voltage to a negative output voltage. Idea applications are
amplifiers requiring a negative power supply. For a more detailed example see SLVA317.
Figure 35. TPS54340 Inverting Power Supply from SLVA317 Application Note
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