LM5025AMTCSLASHNOPB datasheet(22/34 Pages) TI2

22 / 34 page

LM5025A

SNVS293F – DECEMBER 2004 – REVISED AUGUST 2016

www.ti.com

Product Folder Links: LM5025A

Submit Documentation Feedback

Typical Application (continued)

8.2.3 Application Curves

Conditions: input voltage = 48 VDC, output current = 5 A

Trace 1: output voltage Volts/div = 0.5 V

Horizontal resolution = 1 ms/div

Figure 16. Output Voltage During Typical Start-Up

Conditions: input voltage = 48 VDC, output current = 5 A to 25 A

Trace 1: output voltage Volts/div = 0.5 V

Trace 2: output current, Amps/div = 10 A

Horizontal resolution = 1 μs/div

Figure 17. Transient Response

Conditions: input voltage = 48 VDC, output current = 30 A

Bandwidth limit = 25 MHz

Trace 1: output ripple voltage Volts/div = 50 mV

Horizontal resolution = 2 μs/div

Figure 18. Output Ripple

Conditions: input voltage = 38 VDC, output current = 25 A

Trace 1: Q1 drain voltage Volts/div = 20 V

Horizontal resolution = 1 µs/div

Figure 19. Drain Voltage

Conditions: input voltage = 78 VDC, output current = 25 A

Trace 1: Q1 drain voltage Volts/div = 20 V

Horizontal resolution = 1 μs/div

Figure 20. Drain Voltage

Conditions: input voltage = 48 VDC, output current = 5 A

Synchronous rectifier, Q3 gate Volts/div = 5 V

Trace 1: synchronous rectifier, Q3 gate Volts/div = 5 V

Trace 2: synchronous rectifier, Q5 gate Volts/div = 5 V

Horizontal resolution = 1 μs/div

Figure 21. Gate Voltages of the Synchronous Rectifiers

LM5025AMTC/NOPB Datasheet(PDF) 22 Page - Texas Instruments