Texas Instruments LM5027 Evaluation Board LM5027MH-EVAL/NOPB LM5027MH-EVAL/NOPB Datenbogen
Produktcode
LM5027MH-EVAL/NOPB
Performance Characteristics
Conditions: Input Voltage = 48VDC Output Current = 30A
Conditions: Input Voltage = 38VDC Output Current = 25A
Bandwidth Limit = 25 MHz Trace 1: Output Voltage Volts/div
Trace 1: Q1 Drain Voltage volts/Div = 20V Horizontal
= 50 mV Horizontal Resolution = 2 µs/div
Resolution = 1 µs/div
Figure 20. Output Ripple
Figure 21. Drain Voltage
Conditions: Input Voltage = 78VDC Trace 1: Q1 Drain
Conditions: Input Voltage = 48VDC Output Current = 5A
Voltage Volts/Div = 20V Horizontal Resolution = 1 µs/div
Trace 3: (gate) Synchronous Rectifier, Q3/Q4 Volts/Div = 2V
Trace 2: (gate) Synchronous Rectifier, Q5/Q6 Volts/Div = 2V
Horizontal Resolution = 1 µs/div
Trace 2: (gate) Synchronous Rectifier, Q5/Q6 Volts/Div = 2V
Horizontal Resolution = 1 µs/div
Figure 22. Drain Voltage
Figure 23. Gate Voltages
17
SNVA400B – August 2009 – Revised May 2013
AN-1976 LM5027 Evaluation Board
Copyright © 2009–2013, Texas Instruments Incorporated