ZHCSD80B january   2015  – august 2023 TPS62065-Q1 , TPS62067-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Device Comparison Table
  7. 6 Pin Configuration and Functions
  8. 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.     Typical Characteristics
  9. 8 Parameter Measurement Information
  10. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Mode Selection (TPS62065-Q1) and Forced PWM Mode (TPS62067A-Q1)
      2. 9.3.2 Power Good (PG, TPS62067x-Q1)
      3. 9.3.3 Enable
      4. 9.3.4 Shutdown and Output Discharge
      5. 9.3.5 Soft Start
      6. 9.3.6 Undervoltage Lockout (UVLO)
      7. 9.3.7 Internal Current Limit and Foldback Current Limit For Short-Circuit Protection
      8. 9.3.8 Clock Dithering
      9. 9.3.9 Thermal Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Power Save Mode
        1. 9.4.1.1 Dynamic Voltage Positioning
        2. 9.4.1.2 100% Duty-Cycle Low-Dropout Operation
  11. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Output Voltage Setting
        2. 10.2.2.2 Output Filter Design (Inductor And Output Capacitor)
          1. 10.2.2.2.1 Inductor Selection
          2. 10.2.2.2.2 Output Capacitor Selection
          3. 10.2.2.2.3 Input Capacitor Selection
        3. 10.2.2.3 Checking Loop Stability
      3. 10.2.3 Application Curves
    3. 10.3 Power Supply Recommendations
    4. 10.4 Layout
      1. 10.4.1 Layout Guidelines
      2. 10.4.2 Layout Example
  12. 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 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
  13. 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

6 Pin Configuration and Functions

GUID-1A59D7D1-673C-4BF1-91F9-2B83C1101CE7-low.gifFigure 6-1 DSG Package8-Pin WSON With Exposed Thermal PadTop View
Table 6-1 Pin Functions
PIN TYPE DESCRIPTION
NO. NAME
1 PGND — GND supply pin for the output stage
2 SW OUT This pin is the switch pin and is connected to the internal MOSFET switches. Connect the external inductor between this terminal and the output capacitor.
3 AGND — Analog GND supply pin for the control circuit
4 FB IN Feedback pin for the internal regulation loop. Connect the external resistor divider to this pin. In case of the fixed output voltage option, connect this pin directly to the output capacitor.
5 EN IN This pin is the enable pin of the device. Pulling this pin to low forces the device into shutdown mode. Pulling this pin to high enables the device. This pin must be terminated.
6 MODE/PG IN MODE: MODE pin = high forces the device to operate in fixed frequency PWM mode. MODE pin = low enables the power save mode with automatic transition from PFM mode to fixed frequency PWM mode. This pin must be terminated. (TPS62065-Q1)
Open Drain PG: Power Good open-drain output. Connect an external pullup resistor to a rail which is below or equal AVIN. (TPS62067-Q1)
7 AVIN IN Analog VIN power supply for the control circuit must be connected to PVIN and input capacitor.
8 PVIN PWR VIN power supply pin for the output stage
— Thermal Pad — For good thermal performance, this pad must be soldered to the land pattern on the PCB. Use this pad as device GND.
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