JAJSFY3D August   2018  – August 2022 LMR36006-Q1

PRODUCTION DATA  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 System Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Power-Good Flag Output
      2. 8.3.2 Enable and Start-up
      3. 8.3.3 Current Limit and Short Circuit
      4. 8.3.4 Undervoltage Lockout and Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Auto Mode
      2. 8.4.2 Forced PWM Operation
      3. 8.4.3 Dropout
      4. 8.4.4 Minimum Switch On-Time
      5. 8.4.5 Spread Spectrum Operation
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design 1: Low Power 24-V, 600-mA PFM Converter
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1  Custom Design With WEBENCH Tools
          2. 9.2.1.2.2  Choosing the Switching Frequency
          3. 9.2.1.2.3  Setting the Output Voltage
            1. 9.2.1.2.3.1 FB for Adjustable Output
          4. 9.2.1.2.4  Inductor Selection
          5. 9.2.1.2.5  Output Capacitor Selection
          6. 9.2.1.2.6  Input Capacitor Selection
          7. 9.2.1.2.7  CBOOT
          8. 9.2.1.2.8  VCC
          9. 9.2.1.2.9  CFF Selection
            1. 9.2.1.2.9.1 External UVLO
          10. 9.2.1.2.10 Maximum Ambient Temperature
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Design 2: High Density 12-V , 600-mA FPWM Converter
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curves
    3. 9.3 What to Do and What Not to Do
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Ground and Thermal Considerations
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
        1. 12.1.1.1 Custom Design With WEBENCH® Tools
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 サポート・リソース
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

9.2.1.3 Application Curves

Unless otherwise specified the following conditions apply: VIN = 24 V, TA = 25°C. The circuit is shown in Figure 9-1, with the appropriate BOM from Table 9-3.

GUID-D8B606D1-B100-43F4-B746-F51B7B1A09D4-low.gif
VOUT = 5 V 400 kHz
Figure 9-5 Efficiency
GUID-0F6C9898-916E-4299-90D6-A74D706B48F0-low.gif
VOUT = 5 V 400 kHz
Figure 9-7 Load Regulation
GUID-FBE83AB9-7C2F-47CA-8C92-55DEE19230BA-low.gif
VOUT = 5 V 400 kHz
Figure 9-9 Overall Dropout Characteristic
GUID-80843E40-0D7F-4D03-B3B5-2E231423768A-low.gif
VOUT = 3.3 V IOUT= 0 A RFBT= 100 kΩ
Figure 9-11 Input Supply Current
GUID-083650D8-FF37-4DF8-AB83-918C0657D918-low.png
VOUT = 5 V 400 kHz
Figure 9-13 Start-Up Waveform
GUID-6D07873C-E29A-4DF4-9DA1-C7A62166EBF3-low.png
VOUT = 5 V 400 kHz ILOAD= 0 A - 0.3 A
Slew Rate=1µs/A
Figure 9-15 Load Transient
GUID-BD5F896F-4000-4F67-92D0-D8E03932B8B1-low.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 150kHz to 30 MHz
Figure 9-17 Conducted EMI vs. CISPR25 Limits (Yellow: Peak Signal, Blue: Average Signal)
GUID-D281354C-75EE-4ACA-89ED-5C44F77ACCA9-low.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 150 kHz to 30 MHz
Figure 9-19 Radiated EMI Rod vs. CISPR25 Limits
GUID-2670F2C6-1A86-4804-84EB-15CA1C2663B9-low.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 30 MHz to 200 MHz
Figure 9-21 Radiated EMI Bicon Horizontal vs. CISPR25 Limits
GUID-8418793B-ED8E-4212-99AB-788F264F9D73-low.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 200 MHz to 1 GHz
Figure 9-23 Radiated EMI Log Horizontal vs. CISPR25 Limits
GUID-FDABBD51-BBAF-4AF2-9C00-162B3B7A2D3A-low.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 1.8 GHz to 2.5 GHz
Figure 9-25 Radiated EMI Horn Horizontal vs. CISPR25 Limits
GUID-197D27A4-4692-4486-90C7-D2BD3E009D4C-low.gif
VOUT = 3.3 V 400 kHz
Figure 9-6 Efficiency
GUID-6A72626E-8B29-43F9-B848-186C4A956989-low.gif
VOUT = 3.3 V 400 kHz
Figure 9-8 Load Regulation
GUID-DA598F38-7D74-4022-8DAA-FF285FB6058E-low.gif
VOUT = 5 V 400 kHz
Figure 9-10 Frequency Dropout Characteristic
GUID-24308142-52B8-491D-8D1C-C499B74E70B6-low.gif
VOUT = 3.3 V 400 kHz
Figure 9-12 Mode Change Thresholds
GUID-30E4C0A2-A652-4299-BCC3-C1AD75FA6D7E-low.png
VOUT = 5 V 400 kHz
Figure 9-14 Start-Up Waveform
GUID-CB44F809-DB89-4181-8D76-3AE1EAFC1585-low.png
VOUT = 3.3 V 400 kHz ILOAD= 0 A - 0.3 A
Slew Rate = 1 µs/A
Figure 9-16 Load Transient
GUID-E2B3B7CC-3F2B-4929-BEFB-B59FC878ACDA-low.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 30 MHz to 108 MHz
Figure 9-18 Conducted EMI vs. CISPR25 Limits (Yellow: Peak Signal, Blue: Average Signal)
GUID-E07D1D9A-C3E3-4786-850A-F45087EF1730-low.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 30 MHz to 200 MHz
Figure 9-20 Radiated EMI Bicon Vertical vs. CISPR25 Limits
GUID-8379BC52-2940-4599-B67A-C886F196674E-low.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 200 MHz to 1 GHz
Figure 9-22 Radiated EMI Log Vertical vs. CISPR25 Limits
GUID-983B9512-2159-4271-9687-0081095A113D-low.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 1.83 GHz to 2.5 GHz
Figure 9-24 Radiated EMI Horn Vertical vs. CISPR25 Limits
GUID-B826DA35-38CB-408D-AE77-F055BE732404-low.gif
 
 
 
 
 
 
 
Figure 9-26 Recommended Input EMI Filter