ZHCSAH1B November   2012  – April 2019 TPS53819A

PRODUCTION DATA.  

1. 1 特性
2. 2 應(yīng)用
3. 3 說(shuō)明
   1.     Device Images
      1.      簡(jiǎn)化應(yīng)用
4. 4 修訂歷史記錄
5. 5 Pin Configuration and Functions
   1.     Pin 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 Requirements
   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  Enable and Soft-Start
      2. 7.3.2  Adaptive On-Time Control
      3. 7.3.3  Zero Crossing Detection
      4. 7.3.4  Output Discharge Control
      5. 7.3.5  Low-Side Driver
      6. 7.3.6  High-Side Driver
      7. 7.3.7  Power Good
      8. 7.3.8  Current Sense and Overcurrent Protection
      9. 7.3.9  Overvoltage and Undervoltage Protection
      10. 7.3.10 Out-of-Bound Protection
      11. 7.3.11 UVLO Protection
      12. 7.3.12 Thermal Shutdown
   4. 7.4 Device Functional Modes
      1. 7.4.1 Light-Load Condition in Auto-Skip Operation (Eco-mode)
      2. 7.4.2 Forced Continuous Conduction Mode
      3. 7.4.3 D-CAP2™ Mode
   5. 7.5 Programming
      1. 7.5.1 PMBus General Descriptions
      2. 7.5.2 PMBus Slave Address Selection
      3. 7.5.3 PMBus Address Selection
      4. 7.5.4 Supported Formats
         1. 7.5.4.1 Direct Format: Write
         2. 7.5.4.2 Combined Format: Read
         3. 7.5.4.3 Stop-Separated Reads
      5. 7.5.5 Supported PMBus Commands
      6. 7.5.6 Unsupported PMBus Commands
   6. 7.6 Register Maps
      1. 7.6.1  OPERATION [01h] (R/W Byte)
      2. 7.6.2  ON_OFF_CONFIG [02h] (R/W Byte)
      3. 7.6.3  WRITE_PROTECT [10h] (R/W Byte)
      4. 7.6.4  CLEAR_FAULTS [03h] (Send Byte)
      5. 7.6.5  STORE_DEFAULT_ALL [11h] (Send Byte)
      6. 7.6.6  RESTORE_DEFAULT_ALL [12h] (Send Byte)
      7. 7.6.7  STATUS_WORD [79h] (Read Word)
      8. 7.6.8  CUSTOM_REG (MFR_SPECIFIC_00) [D0h] (R/W Byte)
      9. 7.6.9  DELAY_CONTROL (MFR_SPECIFIC_01) [D1h] (R/W Byte)
      10. 7.6.10 MODE_SOFT_START_CONFIG (MFR_SPECIFIC_02) [D2h] (R/W Byte)
      11. 7.6.11 FREQUENCY_CONFIG (MFR_SPECIFIC_03) [D3h] (R/W Byte)
      12. 7.6.12 VOUT_ADJUSTMENT (MFR_SPECIFIC_04) [D4h] (R/W Byte)
      13. 7.6.13 Output Voltage Fine Adjustment Soft Slew Rate
      14. 7.6.14 VOUT_MARGIN (MFR_SPECIFIC_05) [D5h] (R/W Byte)
      15. 7.6.15 Output Voltage Margin Adjustment Soft-Slew Rate
      16. 7.6.16 UVLO_THRESHOLD (MFR_SPECIFIC_06) [D6h]
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  Switching Frequency
         3. 8.2.2.3  Inductor (L1)
         4. 8.2.2.4  Output Capacitors (C10, C11, C12, C13, C14)
         5. 8.2.2.5  Input Capacitors (C1, C2, C3, C4, C5)
         6. 8.2.2.6  MOSFET (Q1, Q2)
         7. 8.2.2.7  VREG Bypass Capacitor (C18)
         8. 8.2.2.8  VDD Bypass Capacitor (C19)
         9. 8.2.2.9  VBST Capacitor (C7)
         10. 8.2.2.10 Snubber (C8 and R9)
         11. 8.2.2.11 Feedback Resistance, RFBH and RFBL (R17 and R18)
         12. 8.2.2.12 Overcurrent Limit (OCL) Setting Resistance (R10)
         13. 8.2.2.13 PMBus Device Address (R3 and R4)
         14. 8.2.2.14 PGOOD Pullup Resistor (R2)
         15. 8.2.2.15 SCL and SDA Pulldown Resistors (R14 and R15)
         16. 8.2.2.16 PMBus Pullup Resistors
      3. 8.2.3 Application Curves
9. 9 Power Supply Recommendations
10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
11. 11器件和文檔支持
    1. 11.1 器件支持
       1. 11.1.1 開(kāi)發(fā)支持
          1. 11.1.1.1 使用 WEBENCH® 工具創(chuàng)建定制設(shè)計(jì)
    2. 11.2 接收文檔更新通知
    3. 11.3 社區(qū)資源
    4. 11.4 商標(biāo)
    5. 11.5 靜電放電警告
    6. 11.6 術(shù)語(yǔ)表
12. 12機(jī)械、封裝和可訂購(gòu)信息