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Performance Data and Typical Characteristic Curves www.ti.com
9.5 Very Light-Load Operation at High Line of Input
Figure 12. PWM Control at 400VDC Input and Light Figure 13. PWM Control with SR Off and Pulse
Load (SR off) Skipping
(Ch1 = V
GS
, Q7, Ch2 = V
GS
, Q6, Ch3 = V
GS
, SR1, Ch4 = (Ch1 = V
GS
, Q7, Ch2 = V
GS
, Q6, Ch3 = V
GS
, SR1, Ch4 =
V
GS
, SR2) V
GS
, SR2)
9.6 Output Voltage Ripple
Figure 14. Output Voltage Ripple 380 V
DC
and Full Figure 15. Output Voltage Ripple 380 V
DC
and Half
Load Load
16
Digitally Controlled LLC Resonant Half-Bridge DC-DC Converter SLUU979A–August 2012–Revised July 2013
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