JAJSFY4C August   2018  – October 2019 LMR36015-Q1

PRODUCTION DATA.  

  1. 特長
  2. アプリケーション
  3. 概要
    1.     Device Images
      1.      概略回路図
  4. 改訂履歴
  5. 概要(続き)
  6. Device Comparison Table
  7. Pin Configuration and Functions
    1.     Pin Functions
  8. Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Timing Requirements
    7. 8.7 System Characteristics
    8. 8.8 Typical Characteristics
  9. Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Power-Good Flag Output
      2. 9.3.2 Enable and Start-up
      3. 9.3.3 Current Limit and Short Circuit
      4. 9.3.4 Undervoltage Lockout and Thermal Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Auto Mode
      2. 9.4.2 Forced PWM Operation
      3. 9.4.3 Dropout
      4. 9.4.4 Minimum Switch On-Time
      5. 9.4.5 Spread Spectrum Operation
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design 1: Low Power 24-V, 1.5-A PFM Converter
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1  Custom Design With WEBENCH Tools
          2. 10.2.1.2.2  Choosing the Switching Frequency
          3. 10.2.1.2.3  Setting the Output Voltage
            1. 10.2.1.2.3.1 FB for Adjustable Output
          4. 10.2.1.2.4  Inductor Selection
          5. 10.2.1.2.5  Output Capacitor Selection
          6. 10.2.1.2.6  Input Capacitor Selection
          7. 10.2.1.2.7  CBOOT
          8. 10.2.1.2.8  VCC
          9. 10.2.1.2.9  CFF Selection
            1. 10.2.1.2.9.1 External UVLO
          10. 10.2.1.2.10 Maximum Ambient Temperature
      2. 10.2.2 Application Curves
      3. 10.2.3 Design 2: High Density 12-V, 1.5-A FPWM Converter
        1. 10.2.3.1 Design Requirements
        2. 10.2.3.2 Detailed Design Procedure
        3. 10.2.3.3 Application Curves
    3. 10.3 What to Do and What Not to Do
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
      1. 12.1.1 Ground and Thermal Considerations
    2. 12.2 Layout Example
  13. 13デバイスおよびドキュメントのサポート
    1. 13.1 デバイス・サポート
      1. 13.1.1 開発サポート
        1. 13.1.1.1 WEBENCH®ツールによるカスタム設計
    2. 13.2 ドキュメントのサポート
      1. 13.2.1 関連資料
    3. 13.3 ドキュメントの更新通知を受け取る方法
    4. 13.4 サポート・リソース
    5. 13.5 商標
    6. 13.6 静電気放電に関する注意事項
    7. 13.7 Glossary
  14. 14メカニカル、パッケージ、および注文情報

Application Curves

Unless otherwise specified the following conditions apply: VIN = 12 V, TA = 25°C. The circuit is shown in Figure 18, with the appropriate BOM from Table 7.
LMR36015-Q1 LMR36015FSC_5Vout_Efficiency-rtm.gif
VOUT = 5 V 2100 kHz
Figure 46. Efficiency
LMR36015-Q1 LMR36015FSC_5Vout_Dropout-rtm.gif
VOUT = 5 V 2100 kHz
Figure 48. Overall Dropout Characteristic
LMR36015-Q1 iqvin_LMR36015_FPWM-5vout.gif
VOUT = 5 V IOUT = 0 A RFBT = 100 kΩ
Figure 50. Input Supply Current
LMR36015-Q1 waveform-13-LMR3600FSCC-12VIN-5VOUT-LT-750MA-SNVSAY8.jpg
VOUT = 5 V Slew Rate = 1 µs/A 2100 kHz ILOAD= 0 A - 0.75 A
Figure 52. Load Transient
LMR36015-Q1 LMR36015FSC_5Vout_LoadReg-rtm.gif
VOUT = 5 V 2100 kHz
Figure 47. Load Regulation
LMR36015-Q1 LMR36015FSC_Frequency_DropOut.gif
VOUT = 5 V 2100 kHz
Figure 49. Frequency Dropout Characteristic
LMR36015-Q1 waveform-05-LMR36015FSC-12VIN-5VOUT-STARTUP-SNVSAY8.jpg
VOUT = 5 V 2100 kHz
Figure 51. Start-Up Waveform