ZHCS181G August   2011  – April 2021 TPS53355

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 (1)
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Infomation
    5. 6.5 Electrical Characteristics
    6. 6.6 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 5-V LDO and VREG Start-Up
      2. 7.3.2 Adaptive On-Time D-CAP Control and Frequency Selection
      3. 7.3.3 Ramp Signal
      4. 7.3.4 Adaptive Zero Crossing
      5. 7.3.5 Power-Good
      6. 7.3.6 Current Sense, Overcurrent and Short Circuit Protection
      7. 7.3.7 Overvoltage and Undervoltage Protection
      8. 7.3.8 UVLO Protection
      9. 7.3.9 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable, Soft Start, and Mode Selection
      2. 7.4.2 Auto-Skip Eco-mode™ Light Load Operation
      3. 7.4.3 Forced Continuous Conduction Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Small Signal Model
    2. 8.2 Typical Applications
      1. 8.2.1 Typical Application Circuit Diagram with Ceramic Output Capacitors
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Custom Design With WEBENCH® Tools
          2. 8.2.1.2.2 External Component Selection
          3. 8.2.1.2.3 External Component Selection Using All Ceramic Output Capacitors
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Typical Application Circuit
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 External Component Selection
        3. 8.2.2.3 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 第三方米6体育平台手机版_好二三四免责声明
      2. 11.1.2 Development Support
        1. 11.1.2.1 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

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)
  • DQP|22
散热焊盘机械数据 (封装 | 引脚)
订购信息

8.2.1.1 Design Requirements

Table 8-1 Design Parameters
PARAMETERTEST CONDITIONMINTYPMAXUNIT
INPUT CHARACTERISTICS
VINVoltage range81214V
IMAXMaximum input currentVIN = 8 V, IOUT = 30 A6.3A
No load input currentVIN = 14 V, IOUT = 0 A with auto-skip mode1mA
OUTPUT CHARACTERISTICS
VOUTOutput voltage1.5
Output voltage regulationLine regulation, 8 V ≤ VIN ≤ 15 V0.1%
Load regulation, VIN = 12 V, 0 A ≤ IOUT ≤ 30 A with FCCM0.2%
VRIPPLEOutput voltage rippleVIN = 12 V, IOUT = 30 A with FCCM20mVPP
ILOADOutput load current030A
IOCPOutput overcurrent threshold34A
tSSSoft-start time1.4ms
SYSTEMS CHARACTERISTICS
fSWSwitching frequency500kHz
ηPeak efficiencyVIN = 12 V, VOUT = 1.1 V, IOUT = 10 A91.87%
Full load efficiencyVIN = 12 V, VOUT = 1.1 V, IOUT = 30 A89.46%
TAOperating temperature25°C
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