SNVU737A December   2020  – December 2021 LM5123-Q1

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Applications
    2. 1.2 Features
  3. 2EVM Setup
    1. 2.1 EVM Characteristics
    2. 2.2 EVM Connectors and Test Points
    3. 2.3 EVM Configurations
      1. 2.3.1 Output Voltage Tracking
  4. 3Test Setup and Procedures
    1. 3.1 Equipment
  5. 4Test Results
    1. 4.1 Efficiency
    2. 4.2 Load Regulation
    3. 4.3 Thermal Performance
    4. 4.4 Start-up Waveforms
    5. 4.5 Steady State Operation
    6. 4.6 Load Transient Response
    7. 4.7 Output Voltage Tracking
  6. 5PCB Layers
  7. 6Schematic
  8. 7Bill of Materials
  9. 8Revision History

2.1 EVM Characteristics

Table 2-1 details the EVM characteristics.

Table 2-1 EVM Characteristics
ParameterTest ConditionMINTYPMAXUNIT
INPUT VOLTAGE CHARACTERISITCS
Input Voltage RangeOperation

8

1436V
UVLO voltage levelsTurn-off

6

V
Turn-on

7

V
Input CurrentNo load operation, VIN = 13.5 V, VOUT = 24V, J14 = Open, UVLO = BIAS, R21 = Open 35μA
OUTPUT CHARACTERISITICS
Output VoltageVTRK = 400 mV24V
VTRK = 550 mV

33

V
Output Power200W
SYSTEM CHARACTERISITCS
Switching Frequency440kHz
Full Load EfficiencyVIN = 14V, VOUT = 24 V97.6%