Texas Instruments 12V Input, Dual 5.0V and 3.3V Output, 2A Buck Converter Evaluation Module TPS54383EVM TPS54383EVM Datenbogen
Produktcode
TPS54383EVM
www.ti.com
5.4
Switch Node
5.5
Control Loop Bode Plot (low line, V
IN
= 8 V)
0
1.5
Frequency - Hz
0.5
1.0
2.0
PHASE/GAIN
vs
FREQUENCY (TPS54283 Loop Response)
G
a
in
-
d
B
5.035
5.015
5.000
4.985
5.020
5.030
5.010
4.990
4.995
5.035
5.015
5.000
4.985
5.020
5.030
5.010
4.990
4.995
P
h
a
s
e
-
d
e
g
re
e
s
3.3 V
Phase
5.0 V
Phase
5.0 V
Gain
3.3 V
Gain
TPS54383EVM Typical Performance Data and Characteristic Curves
Figure 8. TPS54383EVM Switching Waveforms V
IN
= 12 V, I
OUT
= 2 A Ch1: TP9 (SW1), Ch2: TP12 (SW2)
Figure 9. TPS54383EVM Gain and Phase vs Frequency
A 12-V Input, 5.0-V and 3.3-V Output, 2-A Non-Synchronous Buck Converter
14
SLUU285C – July 2007 – Revised January 2008