ZHCSMP6A November   2020  – December 2021 TPS7H4010-SEP

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 Timing Characteristics
    7. 6.7 Switching Characteristics
    8. 6.8 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  Synchronous Step-Down Regulator
      2. 7.3.2  Auto Mode and FPWM Mode
      3. 7.3.3  Fixed-Frequency Peak Current-Mode Control
      4. 7.3.4  Adjustable Output Voltage
      5. 7.3.5  Enable and UVLO
      6. 7.3.6  Internal LDO, VCC_UVLO, and BIAS Input
      7. 7.3.7  Soft Start and Voltage Tracking
      8. 7.3.8  Adjustable Switching Frequency
      9. 7.3.9  Frequency Synchronization and Mode Setting
      10. 7.3.10 Internal Compensation and CFF
      11. 7.3.11 Bootstrap Capacitor and VBOOT-UVLO
      12. 7.3.12 Power-Good and Overvoltage Protection
      13. 7.3.13 Overcurrent and Short-Circuit Protection
      14. 7.3.14 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 Standby Mode
      3. 7.4.3 Active Mode
        1. 7.4.3.1 CCM Mode
        2. 7.4.3.2 DCM Mode
        3. 7.4.3.3 PFM Mode
        4. 7.4.3.4 Fault Protection 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  Output Voltage Setpoint
        2. 8.2.2.2  Switching Frequency
        3. 8.2.2.3  Input Capacitors
        4. 8.2.2.4  Inductor Selection
        5. 8.2.2.5  Output Capacitor Selection
        6. 8.2.2.6  Feed-Forward Capacitor
        7. 8.2.2.7  Bootstrap Capacitors
        8. 8.2.2.8  VCC Capacitor
        9. 8.2.2.9  BIAS
        10. 8.2.2.10 Soft Start
        11. 8.2.2.11 Undervoltage Lockout Setpoint
        12. 8.2.2.12 PGOOD
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Layout For EMI Reduction
      2. 10.1.2 Ground Plane
      3. 10.1.3 Optimize Thermal Performance
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 11.2 Related Documentation
    3. 11.3 接收文档更新通知
    4. 11.4 支持资源
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 术语表
  12. 12Mechanical, Packaging, and Orderable Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • RNP|30
  • KGD|0
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.7 Switching Characteristics

PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
PWM LIMITS (SW PINS)
tON-MIN Minimum switch on-time 60 82 ns
tOFF-MIN Minimum switch off-time 70 120 ns
tON-MAX Maximum switch on-time HS timeout in dropout 3 6 9 µs
OSCILLATOR (RT and SYNC PINS)
fOSC Internal oscillator frequency RT = Open 440 500 560 kHz
fADJ Minimum adjustable frqeuency by RT or SYNC RT = 115 kΩ, 0.1% 315 350 385 kHz
Maximum adjustable frqeuency by RT or SYNC RT = 17.4 kΩ, 0.1% 1980 2200 2420
VSYNC_HIGH Sync input high-level threshold 2 V
VSYNC_LOW Sync input low-level threshold 0.4 V
VMODE_HIGH Mode input high-level threshold for FPWM 0.42 V
VMODE_LOW Mode input low-level threshold for AUTO mode 0.4 V
tSYNC_MIN Sync input minimum ON and OFF time 80 ns
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