JAJSLF9B December   2015  – March 2021 LMR16030

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 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Fixed Frequency Peak Current Mode Control
      2. 7.3.2  Slope Compensation
      3. 7.3.3  Sleep Mode
      4. 7.3.4  Low Dropout Operation and Bootstrap Voltage (BOOT)
      5. 7.3.5  Adjustable Output Voltage
      6. 7.3.6  Enable and Adjustable Undervoltage Lockout
      7. 7.3.7  External Soft Start
      8. 7.3.8  Switching Frequency and Synchronization (RT/SYNC)
      9. 7.3.9  Power Good (PGOOD)
      10. 7.3.10 Overcurrent and Short Circuit Protection
      11. 7.3.11 Overvoltage Protection
      12. 7.3.12 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 Active Mode
      3. 7.4.3 CCM Mode
      4. 7.4.4 Light Load Operation
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Custom Design With WEBENCH® Tools
        2. 8.2.2.2 Output Voltage Set-Point
        3. 8.2.2.3 Switching Frequency
        4. 8.2.2.4 Output Inductor Selection
        5. 8.2.2.5 Output Capacitor Selection
        6. 8.2.2.6 Schottky Diode Selection
        7. 8.2.2.7 Input Capacitor Selection
        8. 8.2.2.8 Bootstrap Capacitor Selection
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 サポート・リソース
    4. 11.4 Trademarks
    5. 11.5 静電気放電に関する注意事項
    6. 11.6 用語集
  12. 12Mechanical, Packaging, and Orderable Information

6.7 Typical Characteristics

Unless otherwise specified the following conditions apply: VIN = 24 V, fSW = 500 KHz, L = 8.2 µH, COUT = 2 × 47 µF, TA = 25°C.

GUID-1AFA5F98-4BEA-4C66-AE89-915E25032010-low.gif
VOUT = 3.3 VfSW = 500 KHz
Figure 6-1 Efficiency vs. Load Current
GUID-3475C548-481C-4266-9D08-80D3AFA484E8-low.gif
VOUT = 5 V fSW = 500 KHz
Figure 6-3 Efficiency vs. Load Current
GUID-511D3EFC-F885-476D-9FBD-CD9E965BD740-low.gif
VOUT = 5 V fSW = 500 KHz
Figure 6-5 Load Regulation
GUID-3BA571C2-EC07-4687-A95C-110A9971E2A3-low.gif
VOUT = 3.3 V fSW = 500 KHz
Figure 6-7 Dropout Curve
GUID-14B67485-EDDE-41CD-8AC3-F67C15751CEC-low.gif
VIN = 12 V
Figure 6-9 Voltage Reference vs Junction Temperature
GUID-92958019-6AB6-484F-B316-271DAF6AD332-low.gifFigure 6-11 Shut-down Current and Quiescent Current
GUID-9FB86FF9-E229-4840-815A-5B48B982A3D2-low.gif
VOUT = 3.3 V fSW = 500 KHz
Figure 6-2 Efficiency vs. Load Current
GUID-1CE0B7B9-EB35-4BC2-927E-FD44EFA23BF7-low.gif
VOUT = 5 V fSW = 500 KHz
Figure 6-4 Efficiency vs. Load Current
GUID-FCDF2A1E-5F0C-4399-A304-06EC2FDEBF36-low.gif
 
Figure 6-6 Frequency vs VFB
GUID-67A7982B-B309-449C-A0EF-F0AA49C75861-low.gif
VOUT = 5 V fSW = 500 KHz
Figure 6-8 Dropout Curve
GUID-F709838B-29B6-4E0A-A161-1D468162A2DD-low.gif
 
Figure 6-10 High-Side Current Limit vs Junction Temperature
GUID-DF331E86-96E1-4FF9-9FD7-2E2522D073B7-low.gif
IOUT = 0 A
Figure 6-12 UVLO Threshold