SNVU917 September   2024 LM706A0-Q1

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 Test Setup and Procedure
      1. 2.1.1 EVM Connections
      2. 2.1.2 Test Equipment
      3. 2.1.3 Recommended Test Setup
        1. 2.1.3.1 Input Connections
        2. 2.1.3.2 Output Connections
      4. 2.1.4 Test Procedure
        1. 2.1.4.1 Line and Load Regulation, Efficiency
  8. 3Implementation Results
    1. 3.1 Performance Data and Results
      1. 3.1.1 EVM Characteristics
      2. 3.1.2 Conversion Efficiency
      3. 3.1.3 Operating Waveforms
        1. 3.1.3.1 Switching
        2. 3.1.3.2 Load Transient Response
        3. 3.1.3.3 Short-Circuit Recovery
        4. 3.1.3.4 Start-Up and Shutdown With EN
        5. 3.1.3.5 Start-Up With VIN
      4. 3.1.4 Bode Plot
      5. 3.1.5 CISPR 25 EMI Performance
      6. 3.1.6 Thermal Performance
  9. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layout
      1. 4.2.1 Component Drawings
      2. 4.2.2 Multi-Layer Stackup
    3. 4.3 Bill of Materials
  10. 5Compliance Information
    1. 5.1 Compliance and Certifications
  11. 6Related Documentation
    1. 6.1 Supplemental Content
      1. 6.1.1 Development Support
      2. 6.1.2 PCB Layout Resources
      3. 6.1.3 Thermal Design Resources
  12. 7Additional Information
    1. 7.1 Trademarks

3.1.1 EVM Characteristics

The following table lists the electrical characteristics.

Table 3-1 Electrical Performance Characteristics of EVM
ParameterTest ConditionsMINTYPMAXUnit
INPUT CHARACTERISTICS
Input voltage range, VINOperating82465V
Input current, no load, IIN-NLIOUT = 0A, PFM tied to VDDA VIN = 12V0.137mA
VIN = 24V 0.233
VIN = 48V0.435
VIN = 60V0.537
Input current, shutdown, IIN-OFFVEN = 0V, VIN = 48V0.490mA
OUTPUT CHARACTERISTICS
Output voltage, VOUT (1)3.2753.33.324V
Output current, IOUTVIN = 8V to 60V, Airflow = 100 LFM (2)010A
Output voltage regulation, ΔVOUTLoad regulationIOUT = 0A to 10A0.1%
Line regulationVIN = 8V to 60V1%
Output voltage ripple, VOUT-ACVIN = 48V, IOUT = 10A10mVrms
Output overcurrent protection, IOCPVIN = 48V12A
Soft-start time, tSS3ms
SYSTEM CHARACTERISTICS
Switching frequency, FSW-nomVIN = 48V400kHz
PFM Light-load efficiency, ηLIGHT(1)IOUT = 1AVIN = 24V84.6%
VIN = 48V75.7%
VIN = 60V72.4%
Half-load efficiency, ηHALFIOUT = 5AVIN = 24V90.8%
VIN = 48V86.5%
VIN = 60V84.4%
Full load efficiency, ηFULLIOUT = 10AVIN = 24V88%
VIN = 48V85.3%
VIN = 60V83.9%
LM706A0-Q1 junction temperature, TJ–40150°C
(1) The default output voltage of this EVM is 3.3V. Efficiency and other performance metrics can change based on operating input voltage, load currents, externally-connected output capacitors, and other parameters.
(2) The recommended airflow when operating at input voltages greater than 60V is 100 LFM.
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