ZHCSGE1A July   2017  – August 2017 TPSM84203 , TPSM84205 , TPSM84212

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化应用
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Conditions
    3. 6.3 ESD Ratings
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Typical Characteristics (VOUT = 3.3 V)
    8. 6.8 Typical Characteristics (VOUT = 5 V)
    9. 6.9 Typical Characteristics (VOUT = 12 V)
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Input Capacitors
      2. 7.3.2 Output Capacitors
      3. 7.3.3 Drop-Out Voltage
      4. 7.3.4 Internal Soft-Start
      5. 7.3.5 Safe Startup into Pre-Biased Outputs
      6. 7.3.6 Over-Current Protection
      7. 7.3.7 Output Over-Voltage Protection
      8. 7.3.8 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Eco-mode Operation
  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 Input and Output Capacitors
      3. 8.2.3 Application Curves
        1. 8.2.3.1 EMI
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 开发支持
        1. 11.1.1.1 使用 WEBENCH® 工具创建定制设计
    2. 11.2 相关链接
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Community Resources
    5. 11.5 商标
    6. 11.6 静电放电警告
    7. 11.7 Glossary
  12. 12机械、封装和可订购信息

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

7.3.1 Input Capacitors

The TPSM842xx devices require a minimum input capacitance of 10 μF of ceramic type. High-quality ceramic type X5R or X7R capacitors with sufficient voltage rating are recommended. An additional 100 μF of non-ceramic capacitance is recommended for applications with transient load requirements. The voltage rating of input capacitors must be greater than the maximum input voltage.

Table 1. Recommended Input Capacitors(1)

VENDOR SERIES PART NUMBER CAPACITOR CHARACTERISTICS
WORKING VOLTAGE
(V)		 CAPACITANCE (3)
(µF)		 ESR(2)
(mΩ)
Murata X7R GRM32ER71H475KA88L 50 4.7 2
TDK X5R C3225X5R1H106K250AB 50 10 3
Murata X7R GRM32ER71H106KA12 50 10 2
TDK X7R C3225X7R1H106M250AB 50 10 3
Panasonic ZA EEHZA1H101P 50 100 28
(1) 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 @ 100kHz, 25°C.
(3) Standard capacitance values
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