SNVSAA7A December   2015  – May 2016 LM53625-Q1 , LM53635-Q1

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Typical Application Circuit
      2.      Typical Automotive Layout (22 mm x 12.5 mm)
  4. Revision History
  5. Device Comparison
  6. Pin Configuration and Functions
    1.     Pin Functions
  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 System Characteristics
    7. 7.7 Timing Characteristics
    8. 7.8 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
      1. 8.2.1 Control Scheme
    3. 8.3 Feature Description
      1. 8.3.1 RESET Flag Output
      2. 8.3.2 Enable and Start-Up
      3. 8.3.3 Soft-Start Function
      4. 8.3.4 Current Limit
      5. 8.3.5 Hiccup Mode
      6. 8.3.6 Synchronizing Input
      7. 8.3.7 Undervoltage Lockout (UVLO) and Thermal Shutdown (TSD)
      8. 8.3.8 Input Supply Current
    4. 8.4 Device Functional Modes
      1. 8.4.1 AUTO Mode
      2. 8.4.2 FPWM Mode
      3. 8.4.3 Dropout
      4. 8.4.4 Input Voltage Frequency Foldback
    5. 8.5 Spread-Spectrum Operation
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 General Application
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 External Components Selection
            1. 9.2.1.2.1.1 Input Capacitors
              1. 9.2.1.2.1.1.1 Input Capacitor Selection
            2. 9.2.1.2.1.2 Output Inductors and Capacitors Selection
              1. 9.2.1.2.1.2.1 Inductor Selection
              2. 9.2.1.2.1.2.2 Output Capacitor Selection
          2. 9.2.1.2.2 Setting the Output Voltage
            1. 9.2.1.2.2.1 FB for Adjustable Versions
          3. 9.2.1.2.3 VCC
          4. 9.2.1.2.4 BIAS
          5. 9.2.1.2.5 CBOOT
          6. 9.2.1.2.6 Maximum Ambient Temperature
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Fixed 5-V Output for USB-Type Applications
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curves
      3. 9.2.3 Fixed 3.3-V Output
        1. 9.2.3.1 Design Requirements
        2. 9.2.3.2 Detailed Design Procedure
        3. 9.2.3.3 Application Curves
      4. 9.2.4 Adjustable Output
        1. 9.2.4.1 Design Requirements
        2. 9.2.4.2 Detailed Design Procedure
        3. 9.2.4.3 Application Curves
    3. 9.3 Do's and Don't's
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Related Links
    4. 12.4 Community Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

封装选项

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机械数据 (封装 | 引脚)
  • RNL|22
散热焊盘机械数据 (封装 | 引脚)
订购信息

Device Comparison

Table 1. LM53625-Q1 Devices (2.5-A Output)

PART NUMBER OUTPUT VOLTAGE SPREAD SPECTRUM PACKAGE QTY
LM53625AQRNLRQ1 Adjustable No 3000
LM53625AQRNLTQ1 Adjustable No 250
LM536253QRNLRQ1 3.3 V No 3000
LM536253QRNLTQ1 3.3 V No 250
LM536255QRNLRQ1 5 V No 3000
LM536255QRNLTQ1 5 V No 250
LM53625MQRNLRQ1 Adjustable Yes 3000
LM53625MQRNLTQ1 Adjustable Yes 250
LM53625NQRNLRQ1 3.3 V Yes 3000
LM53625NQRNLTQ1 3.3 V Yes 250
LM53625LQRNLRQ1 5 V Yes 3000
LM53625LQRNLTQ1 5 V Yes 250

Table 2. LM53635-Q1 Devices (3.5-A Output)

PART NUMBER OUTPUT VOLTAGE SPREAD SPECTRUM PACKAGE QTY
LM53635AQRNLRQ1 Adjustable No 3000
LM53635AQRNLTQ1 Adjustable No 250
LM536353QRNLRQ1 3.3 V No 3000
LM536353QRNLTQ1 3.3 V No 250
LM536355QRNLRQ1 5 V No 3000
LM536355QRNLTQ1 5 V No 250
LM53635MQRNLRQ1 Adjustable Yes 3000
LM53635MQRNLTQ1 Adjustable Yes 250
LM53635NQRNLRQ1 3.3 V Yes 3000
LM53635NQRNLTQ1 3.3 V Yes 250
LM53635LQRNLRQ1 5 V Yes 3000
LM53635LQRNLTQ1 5 V Yes 250