SLUUD23 September   2024

 

  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 Start-Up with EN
        2. 3.1.3.2 Start-Up with VIN
        3. 3.1.3.3 Load Transient Response
        4. 3.1.3.4 Output Voltage Ripple
  9. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layout
    3. 4.3 Bill of Materials
  10. 5Compliance Information
    1. 5.1 Compliance and Certifications
  11. 6Additional Information
    1. 6.1 Trademarks
  12. 7Related Documentation

3.1.1 EVM Characteristics

The electrical characteristics are shown in Table 3-1.

Table 3-1 Electrical Performance Characteristics
ParameterTest ConditionsMINTYPMAXUnit
INPUT CHARACTERISTICS
Input voltage range, VINOperating

5.5

65

V
Input current, non-switching, IVIN

No load, VEN = 3V, non-switching

VIN = 12V

26.5

40

µA
Input current, shutdown, IVINSDNNo load, VEN = 0VVIN = 12V

0.8

3

µA
EN Threshold High-level, VEN(ON)EN rising, enable switching

1.1

1.227

1.36

V

EN Threshold Low-level, VEN(OFF)EN falling, disable switching

0.85

1.0

1.15

V

REFERENCE VOLTAGE
Reference voltage, VFB

0.788

0.8

0.812

V

FB input leakage current, IFB(LKG)VFB = 0.8V

0.2

nA
SYSTEM CHARACTERISTICS
Switching frequency, FSW

CCM operation, "X" Version

340

400

460

kHz
CCM operation, "Y" Version

935

1100

1265

kHz

LMR51603 operating junction temperature, TJ–40150°C