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| TPS54540B-Q1 Datasheet, PDF (32/44 Pages) Texas Instruments – 4.5-V to 42-V Input, 5-A, Step-Down DC-DC Converter With Eco-mode | |||
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TPS54540B-Q1
SLVSDX6 â FEBRUARY 2017
www.ti.com
8.2.1.3 Application Curves
Measurements are taken with standard EVM using a 12-V input, 3.3-V output, and 5-A load unless otherwise noted.
IOUT
VOUT ±3.3V offset
Time = 100 Ps/div
Figure 38. Load Transient
VIN
EN
VOUT
Time = 20 ms/div
Figure 40. Start-Up With VIN
SW
IL
VOUT ± AC Coupled
Time = 4 Ps/div
Figure 42. Output Ripple CCM
VIN
VOUT ±3.3V offset
Time = 4 ms/div
Figure 39. Line Transient (8 V to 40 V)
VIN
EN
VOUT
Time = 2 ms/div
Figure 41. Start-Up With EN
SW
IL
VOUT ± AC Coupled
Time = 4 Ps/div
IOUT = 100 mA
Figure 43. Output Ripple DCM
32
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