ZHCSI01C April   2018  – October 2019 LMR36006

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化原理图
  4. 4 修订历史记录
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin 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 Dropout
      3. 8.4.3 Minimum Switch On-Time
  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
          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
      2. 9.2.2 Application Curves
      3. 9.2.3 Design 2: High Density 24-V, 600-mA PFM Converter
        1. 9.2.3.1 Design Requirements
        2. 9.2.3.2 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. 12器件和文档支持
    1. 12.1 器件支持
      1. 12.1.1 开发支持
        1. 12.1.1.1 使用 WEBENCH® 工具创建定制设计方案
    2. 12.2 文档支持
      1. 12.2.1 相关文档
    3. 12.3 接收文档更新通知
    4. 12.4 支持资源
    5. 12.5 商标
    6. 12.6 静电放电警告
    7. 12.7 Glossary
  13. 13机械、封装和可订购信息

9.2.2 Application Curves

Unless otherwise specified the following conditions apply: VIN = 24 V, TA = 25°C. The circuit is shown in Figure 18, with the appropriate BOM from Table 3.

LMR36006 LMR36006B-5vout-efficiency-snvsb48.gif
VOUT = 5 V 1000 kHz
Figure 21. Efficiency
LMR36006 LMR36006B-5vout-load-reg-snvsb48.gif
VOUT = 5 V 1000 kHz
Figure 23. Load Regulation
LMR36006 D003-tc-drop-out-down-snvsay7-rtm.gif
VOUT = 5 V 1000 kHz
Figure 25. Overall Dropout Characteristic
LMR36006 LMR36006B_Input_Current.gif
VOUT = 3.3 V IOUT= 0 A RFBT= 100 kΩ
Figure 27. Input Supply Current
LMR36006 waveform-01-LMR36006B-24vin-5vout-start-up-snvsb48.jpg
VOUT = 5 V 1000 kHz
Figure 29. Start-Up Waveform
LMR36006 waveform-03-LMR36006B-5vout-24vin-lt-600ma-snvsb48.jpg
VOUT = 5 V 1000 kHz ILOAD= 10 mA - 0.6 A
Slew Rate = 1 µs/A
Figure 31. Load Transient
LMR36006 conducted_low.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 150kHz to 30 MHz
Figure 33. Conducted EMI vs. CISPR25 Limits (Yellow: Peak Signal, Blue: Average Signal)
LMR36006 rod.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 150 kHz to 30 MHz
Figure 35. Radiated EMI Rod vs. CISPR25 Limits
LMR36006 bicon_horizontal.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 30 MHz to 200 MHz
Figure 37. Radiated EMI Bicon Horizontal vs. CISPR25 Limits
LMR36006 log_horizaontal.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 200 MHz to 1 GHz
Figure 39. Radiated EMI Log Horizontal vs. CISPR25 Limits
LMR36006 horn_horizontal.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 1.8 GHz to 2.5 GHz
Figure 41. Radiated EMI Horn Horizontal vs. CISPR25 Limits
LMR36006 LMR36006B-3p3vout-efficiency-snvsb48-rtm.gif
VOUT = 3.3 V 1000 kHz
Figure 22. Efficiency
LMR36006 LMR36006B-3p3vout-load-reg-snvsb48.gif
VOUT = 3.3 V 1000 kHz
Figure 24. Load Regulation
LMR36006 LMR36006B-dropout.gif
VOUT = 5 V 1000 kHz
Figure 26. Frequency Dropout Characteristic
LMR36006 LMR36006B-PFM-CCM.gif
VOUT = 3.3 V 1000 kHz
Figure 28. Mode Change Thresholds
LMR36006 waveform-10-LMR36006B-3p3vout-24vin-su-snvsb48.jpg
VOUT = 3.3 V 1000 kHz
Figure 30. Start-Up Waveform
LMR36006 waveform-08-LMR36006C-24vin-lt-600ma-5vout-snvsb48.jpg
VOUT = 3.3 V 1000 kHz ILOAD= 10 mA - 0.6 A
Slew Rate = 1 µs/A
Figure 32. Load Transient
LMR36006 conducted_high.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 30 MHz to 108 MHz
Figure 34. Conducted EMI vs. CISPR25 Limits (Yellow: Peak Signal, Blue: Average Signal)
LMR36006 bicon_vert.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 30 MHz to 200 MHz
Figure 36. Radiated EMI Bicon Vertical vs. CISPR25 Limits
LMR36006 log_vertical.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 200 MHz to 1 GHz
Figure 38. Radiated EMI Log Vertical vs. CISPR25 Limits
LMR36006 horn_vertical.gif
VIN = 13.5 V VOUT = 5 V IOUT = 1.5 A
Frequency Tested: 1.83 GHz to 2.5 GHz
Figure 40. Radiated EMI Horn Vertical vs. CISPR25 Limits
LMR36006 lmr342xx-emi-schematic-snvsba9.gif
Figure 42. Recommended Input EMI Filter
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