ZHCSJO3B May   2019  – November 2020 LMR34215-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  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 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Ground and Thermal Considerations
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

7.8 Typical Characteristics

Unless otherwise specified the following conditions apply: TA = 25°C. VIN = 24 V.

GUID-633F6D03-29E1-4331-B54D-FF8D833B6D3C-low.gif
VFB = 1 V
Figure 7-1 Non-Switching Input Supply Current
GUID-2F16B2C4-6167-40CC-BA49-C4A7818BECC7-low.gif
VIN = 24 V
Figure 7-3 High Side Current Limit
GUID-13DB73B1-E8FE-4F3A-B7D3-83518B600335-low.gif
 
 
Figure 7-5 Reference Voltage Drift
GUID-A1F66EA3-22C0-4B8C-B65A-F4EE0F480586-low.gif
EN = 0 V
Figure 7-2 Shutdown Supply Current
GUID-762F36EB-172A-4E41-B679-47AE9EDFBCD9-low.gif
VIN = 24 V
Figure 7-4 Low Side Current Limit
GUID-70261003-6B21-46D1-8050-583A5B1E6B5B-low.gif
IOUT = 0 A VOUT = 5V ƒSW = 2100 kHz
Figure 7-6 IPEAK-MIN
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