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ZHCSIN4B August 2018 – June 2021 LM5146-Q1

PRODUCTION DATA

Figure 9-17 Efficiency vs I_OUT and V_IN

V_IN step to 48 V

1.5-Ω Load

Figure 9-19 Start-Up, 8-A Resistive Load

V_IN = 48 V

1.5-Ω Load

Figure 9-21 ENABLE ON, 10-A Resistive Load

V_IN = 48 V

Figure 9-23 Load Transient Response, 1 A to 8 A to 1 A

V_IN = 48 V

Figure 9-25 Load Transient Response, 4 A to 8 A to 4 A

I_OUT = 4 A

Figure 9-27 Repetitive Line Transients, 24 V to 75 V

V_IN = 48 V

F_SW = 350 kHz

I_OUT = 8 A

Figure 9-29 SW Node and SYNCIN Voltages

V_IN = 48 V

V_OUT = 12 V

6-A resistive load

Figure 9-31 CISPR 25 Class 5 Conducted EMI, 150 kHz to 30 MHz

V_IN = 48 V

I_OUT = 8 A

Figure 9-18 SW Node Voltages

1.5-Ω Load

Figure 9-20 Shutdown By Input UVLO, 8-A Resistive Load

V_IN = 48 V

1.5-Ω Load

Figure 9-22 ENABLE OFF, 10-A Resistive Load

V_IN = 48 V

Figure 9-24 Load Transient Response, 2 A to 8 A to 2 A

V_IN = 48 V

I_OUT = 8 A

Figure 9-26 Output Voltage Ripple

V_IN = 48 V

I_OUT = 0 A

Figure 9-28 Pre-Biased Start-Up

V_IN = 48 V

I_OUT = 8 A

Figure 9-30 SW Node and SYNCOUT Voltages

V_IN = 48 V

V_OUT = 12 V

6-A resistive load

Figure 9-32 CISPR 25 Class 5 Conducted EMI, 30 MHz to 108 MHz