ZHCSDM4D december   2014  – may 2023 TPS65263-Q1

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. Revision History
  6. Pin Configuration and Functions
  7. 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 Typical Characteristics
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Adjusting the Output Voltage
      2. 7.3.2  Enable and Adjusting UVLO
      3. 7.3.3  Soft-Start Time
      4. 7.3.4  Power-Up Sequencing
      5. 7.3.5  V7V Low-Dropout Regulator and Bootstrap
      6. 7.3.6  Out-of-Phase Operation
      7. 7.3.7  Output Overvoltage Protection (OVP)
      8. 7.3.8  PSM
      9. 7.3.9  Slope Compensation
      10. 7.3.10 Overcurrent Protection
        1. 7.3.10.1 High-Side MOSFET Overcurrent Protection
        2. 7.3.10.2 Low-Side MOSFET Overcurrent Protection
      11. 7.3.11 Power Good
        1. 7.3.11.1 Adjustable Switching Frequency
      12. 7.3.12 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Serial Interface Description
      2. 7.4.2 I2C Update Sequence
    5. 7.5 Register Maps
      1. 7.5.1 VOUT2_SEL: Vout2 Voltage Selection Register (Address = 0x01H)
      2. 7.5.2 VOUT1_COM: Buck1 Command Register (offset = 0x03H)
      3. 7.5.3 VOUT2_COM: Buck2 Command Register (offset = 0x04H)
      4. 7.5.4 VOUT3_COM: Buck3 Command Register (offset = 0x05H)
      5. 7.5.5 SYS_STATUS: System Status Register (offset = 0x06H)
  9. 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 Inductor Selection
        2. 8.2.2.2 Output Capacitor Selection
        3. 8.2.2.3 Input Capacitor Selection
        4. 8.2.2.4 Loop Compensation
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. Device and Documentation Support
    1. 9.1 接收文档更新通知
    2. 9.2 支持资源
    3. 9.3 Trademarks
    4. 9.4 静电放电警告
    5. 9.5 术语表
  11. 10Mechanical, 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

Typical Characteristics

TA = 25°C,VIN = 12 V, VOUT1 = 1.5 V, VOUT2 = 1.2 V, VOUT3 = 2.5 V, FSW = 500 kHz (unless otherwise noted)

GUID-DDDB10E6-3D25-4C8C-BEB0-4035DAB718B3-low.gif
Figure 6-1 BUCK1 Efficiency
GUID-E873858E-2061-422A-847E-F0714670584F-low.gif
Figure 6-3 BUCK3 Efficiency
GUID-17ABBEF5-EF25-4E19-BA96-7C53DC9F7F13-low.gif
Figure 6-5 BUCK2, Load Regulation
GUID-C2B91DDD-A823-4AF1-8489-C53875A52FF6-low.gif
Figure 6-7 BUCK1, Line Regulation
GUID-46A7D515-36CE-4059-A482-C86A83FF23DE-low.gif
Figure 6-9 BUCK3, Line Regulation
GUID-B8C1F84B-9E1B-49C9-B9DC-D714FCED0A6E-low.gif
ROSC = 88.7 kΩ
Figure 6-11 Oscillator Frequency vs Temperature
GUID-16A8B537-D6CA-4512-9AD0-A9E8B8EC900C-low.gif
EN = 1 VVIN = 12 V
Figure 6-13 EN Pin Pullup Current vs Temperature, EN = 1.0 V
GUID-1DDC42A2-B1FD-4653-9F92-6BC9B811F442-low.gif
VIN = 12 V
Figure 6-15 EN Pin Threshold Rising vs Temperature
GUID-231437CD-CD5F-45DC-8B62-9AC5A689F50B-low.gif
VIN = 12 V
Figure 6-17 SS Pin Charge Current vs Temperature
GUID-28B8E0DC-D152-4173-AE1F-C1FD35B634E1-low.gif
VIN = 12 V
Figure 6-19 Buck2 High-Side Current Limit vs Temperature
GUID-FED4ED43-6B55-4C61-93EF-23464F6603F9-low.gif
Figure 6-2 BUCK2 Efficiency
GUID-807DB2C2-7A7A-4809-8622-493A77581F50-low.gif
Figure 6-4 BUCK1, Load Regulation
GUID-3BE9561E-B5AF-4405-88E5-DD2A249661FF-low.gif
Figure 6-6 BUCK3, Load Regulation
GUID-DDA933A2-8713-4733-AD9E-C0955F9CF7EB-low.gif
Figure 6-8 BUCK2, Line Regulation
GUID-7E0924A2-B3D5-40C5-8AD3-B6E1FDFE7B22-low.gif
Figure 6-10 Voltage Reference vs Temperature
GUID-2E5724C1-AE14-43D4-B30C-E97FD3D8B91E-low.gif
VIN = 12 V
Figure 6-12 Shutdown Quiescent Current vs Temperature
GUID-36C0E696-859A-49E5-AD98-E6B452BF432C-low.gif
EN = 1.5 VVIN = 12 V
Figure 6-14 EN Pin Pullup Current vs Temperature, EN = 1.5 V
GUID-77330378-D102-4710-B0AD-109C9FBC32DB-low.gif
VIN = 12 V
Figure 6-16 EN Pin Threshold Falling vs Temperature
GUID-47DBCE75-8C45-47A0-B7A2-11380A798F85-low.gif
VIN = 12 V
Figure 6-18 Buck1 High-Side Current Limit vs Temperature
GUID-CBABE58C-93E1-4766-ABFB-72485B21101F-low.gif
VIN = 12 V
Figure 6-20 Buck3 High-Side Current Limit vs Temperature