ZHCSLW0A September   2020  – December 2020 TPSM41625

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  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 Typical Characteristics (PVIN = 12 V)
    7. 6.7 Typical Characteristics (PVIN = 5 V)
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Setting the Output Voltage
      2. 7.3.2  Output Voltage Current Rating
      3. 7.3.3  RS+/RS- Remote Sense Function
      4. 7.3.4  Ramp Select (RAMP and RAMP_SEL)
      5. 7.3.5  Switching Frequency (RT)
      6. 7.3.6  Synchronization (SYNC)
        1. 7.3.6.1 Loss of Synchronization
      7. 7.3.7  Stand-alone/Stackable Operation
        1. 7.3.7.1 Stackable Synchronization
          1. 7.3.7.1.1 Sync Configuration
          2. 7.3.7.1.2 Clock Sync Point Selection
          3. 7.3.7.1.3 Configuration 1: Dual Phase, Primary Sync-Out Clock to Secondary
          4. 7.3.7.1.4 Configuration 2: Dual Phase, Primary and Secondary Sync to External System Clock
      8. 7.3.8  Improved Transient Performance versus Fixed Frequency (Stand-alone Operation Only)
      9. 7.3.9  Output On/Off Enable (EN)
      10. 7.3.10 Power Good (PGOOD)
      11. 7.3.11 Soft-Start Operation
      12. 7.3.12 Input Capacitor Selection
      13. 7.3.13 Output Capacitor Selection
      14. 7.3.14 Current Limit (ILIM)
      15. 7.3.15 Safe Start-up into Pre-Biased Outputs
      16. 7.3.16 Overcurrent Protection
      17. 7.3.17 Output Overvoltage and Undervoltage Protection
      18. 7.3.18 Overtemperature Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Active Mode
      2. 7.4.2 Shutdown Mode
  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 Setpoint
        3. 8.2.2.3 Setting the Switching Frequency
        4. 8.2.2.4 RAMP Setting
        5. 8.2.2.5 Input Capacitors
        6. 8.2.2.6 Output Capacitors
      3. 8.2.3 Application Waveforms
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
      1. 10.2.1 Package Specifications
      2. 10.2.2 EMI
        1. 10.2.2.1 EMI Plots
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 Custom Design With WEBENCH® Tools
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  12. 12Mechanical, Packaging, and Orderable Information

封装选项

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

7.3.13 Output Capacitor Selection

The minimum required output capacitance of the TPSM41625 is a function of the output voltage and is shown in Table 7-3. The required capacitance can be comprised of all ceramic capacitors or a combination of ceramic and low-ESR polymer type capacitors. When adding additional capacitors, low-ESR capacitors like the ones recommended in #GUID-75B6FEDB-8F20-4A5C-A22A-C6C18C8FF744/SLTS2147145 are required. The required capacitance above the minimum is determined by actual transient deviation requirements.

Table 7-11 Recommended Output Capacitors
VENDOR(1)SERIESPART NUMBERCAPACITOR CHARACTERISTICS
WORKING VOLTAGE (V)CAPACITANCE (µF) (3)ESR (mΩ) (2)
MurataX7RGCM32ER70J476K6.3472
Taiyo YudenX7RLMK325B7476MM-PR10472
MurataX7RGRM32ER71A476K10472
TDKX5RC3225X5R0J107M6.31002
MurataX5RGRM32ER60J107M6.31002
MurataX5RGRM32ER61A107M101002
MurataX6SGRM32EC80G227ME05L4.02202
PanasonicPOSCAP4TPE220MF4.022015
KemetT520T520D227M006ATE0156.322015
PanasonicPOSCAP6TPE330MAA6.333010
KemetT520T520D337M006ATE0106.333010
KemetT520T520X337M010ATE0101033010
(1) Capacitor Supplier Verification, RoHS, Lead-free and Material Details Consult capacitor suppliers regarding availability, material composition, RoHS and lead-free status, and manufacturing process requirements for any capacitors identified in this table.
(2) Maximum ESR at 100 kHz, 25°C
(3) Specified capacitance values
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