ZHCSSA9 june   2023 TPS62901-Q1

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. Revision History
  6. Device Comparison Table
  7. Pin Configuration and Functions
  8. 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. 7.6 Typical Characteristics
  9. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Mode Selection and Device Configuration MODE/S-CONF
      2. 8.3.2  Adjustable VO Operation (External Voltage Divider)
      3. 8.3.3  Selectable VO Operation (VSET and Internal Voltage Divider)
      4. 8.3.4  Soft Start and Tracking (SS/TR)
        1. 8.3.4.1 Tracking Function
      5. 8.3.5  Smart Enable with Precise Threshold
      6. 8.3.6  Power Good (PG)
      7. 8.3.7  Output Discharge Function
      8. 8.3.8  Undervoltage Lockout (UVLO)
      9. 8.3.9  Current Limit and Short-Circuit Protection
      10. 8.3.10 High Temperature Specifications
      11. 8.3.11 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Forced Pulse Width Modulation (FPWM) Operation
      2. 8.4.2 Power Save Mode Operation (Auto PFM and PWM)
      3. 8.4.3 AEE (Automatic Efficiency Enhancement)
      4. 8.4.4 100% Duty-Cycle Operation
      5. 8.4.5 Starting into a Prebiased Load
  10. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application with Adjustable Output Voltage
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Custom Design With WEBENCH® Tools
        2. 9.2.2.2 Programming the Output Voltage
        3. 9.2.2.3 External Component Selection
          1. 9.2.2.3.1 Output Filter and Loop Stability
          2. 9.2.2.3.2 Inductor Selection
          3. 9.2.2.3.3 Capacitor Selection
            1. 9.2.2.3.3.1 Output Capacitor
            2. 9.2.2.3.3.2 Input Capacitor
            3. 9.2.2.3.3.3 Soft-Start Capacitor
      3. 9.2.3 Application Curves
        1. 9.2.3.1 Application Curves Vout = 1.8 V
        2. 9.2.3.2 Application Curves Vout = 1.2 V
        3. 9.2.3.3 Application Curves Vout = 0.6 V
    3. 9.3 Typical Application with Selectable VOUT using VSET
      1. 9.3.1 Design Requirements
      2. 9.3.2 Detailed Design Procedure
        1. 9.3.2.1 Programming the Output Voltage
      3. 9.3.3 Application Curves
        1. 9.3.3.1 Application Curves Vout = 5 V
        2. 9.3.3.2 Application Curves Vout = 3.3 V
    4. 9.4 System Examples
      1. 9.4.1 LED Power Supply
      2. 9.4.2 Powering Multiple Loads
      3. 9.4.3 Voltage Tracking
      4. 9.4.4 Inverting Buck-Boost (IBB)
    5. 9.5 Power Supply Recommendations
    6. 9.6 Layout
      1. 9.6.1 Layout Guidelines
      2. 9.6.2 Layout Example
      3. 9.6.3 Thermal Considerations
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 第三方米6体育平台手机版_好二三四免责声明
      2. 10.1.2 Development Support
        1. 10.1.2.1 Custom Design With WEBENCH® Tools
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 接收文档更新通知
    4. 10.4 支持资源
    5. 10.5 Trademarks
    6. 10.6 静电放电警告
    7. 10.7 术语表
  12. 11Mechanical, 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

GUID-20230329-SS0I-LSLP-0HF8-WJTRJZ3QHWG4-low.svg
Measured with the device not switching
Figure 7-1 Quiescent Current vs Temperature
GUID-20230329-SS0I-JTK2-WNBJ-0DCPV8JDXH9W-low.svgFigure 7-3 Feedback Voltage Accuracy - External Feedback Selected
GUID-20230329-SS0I-HNMZ-HJPP-WTF4CCZFZHLX-low.svg
VOUT = 3.3 V
Figure 7-5 Output Voltage Accuracy - VSET Selected
GUID-20230329-SS0I-QHXQ-CBS5-7SXTCB97W6JD-low.svg
VOUT = 1.8 V
Figure 7-7 Output Voltage Accuracy - VSET Selected
GUID-20230329-SS0I-SWN4-RZFW-4VQFVD3ZTZQD-low.svg
VOUT = 0.6 V
Figure 7-9 Output Voltage Accuracy - VSET Selected
GUID-20230329-SS0I-CSVW-RPLZ-BFK5MLJSMCDX-low.svg
VOUT = 1.2 V FSW = 2.5 MHz IOUT = 0 A
FPWM
Figure 7-11 Switching Frequency vs Temperature
GUID-20230329-SS0I-2PG8-DDT4-G5DZ0SXVHTVN-low.svgFigure 7-13 High Side RDSON vs Temperature
GUID-20230607-SS0I-BNVW-2SCC-LNPHNDLNWFVS-low.svgFigure 7-15 High Side ILIM vs Temperature
GUID-20230329-SS0I-KQLB-06F4-NRKPQWBDK5XM-low.svgFigure 7-17 Negative ILIM vs Temperature
GUID-20230329-SS0I-ZSLZ-XDZD-2MK75X66QWXH-low.svg
VVIN = 6 V
Figure 7-19 Power Good Thresholds vs Temperature
GUID-20230329-SS0I-HJFG-ZVC8-RLXH9TC7HNV9-low.svgFigure 7-21 Percise EN Threshold vs Temperature
GUID-20230329-SS0I-BWT0-DFDC-3R1MDGCVKFHX-low.svgFigure 7-2 Shutdown Current vs Temperature
GUID-20230329-SS0I-0ZVM-Z45T-LZMGWTSFCC3H-low.svg
VOUT = 5.0 V
Figure 7-4 Output Voltage Accuracy - VSET Selected
GUID-20230329-SS0I-PNBW-XT0M-8L1HHFTJK6PN-low.svg
VOUT = 2.5 V
Figure 7-6 Output Voltage Accuracy - VSET Selected
GUID-20230329-SS0I-MW0S-NFJM-L4PWHSW6PVMK-low.svg
VOUT = 1.2 V
Figure 7-8 Output Voltage Accuracy - VSET Selected
GUID-20230329-SS0I-J7LK-M3BD-FHBNR51JMJMC-low.svgFigure 7-10 Tracking Voltage Gain vs Temperature
GUID-20230329-SS0I-G6V6-MHLT-8S4P9NGBFW0V-low.svg
VOUT = 1.2 V FSW = 1.0 MHz IOUT = 0 A
FPWM
Figure 7-12 Switching Frequency vs Temperature
GUID-20230329-SS0I-Q86C-NZKF-5VR2FGFNB3DX-low.svgFigure 7-14 Low Side RDSON vs Temperature
GUID-20230607-SS0I-WWB8-LHRV-LPDLNKVBXHFP-low.svgFigure 7-16 Low Side ILIM vs Temperature
GUID-20230329-SS0I-NSKK-0SSR-MHMQ867JKHRH-low.svgFigure 7-18 Soft Start Current vs Temperature
GUID-20230329-SS0I-SHNC-M1PL-45B0L1H0JGDD-low.svgFigure 7-20 VVIN UVLO Thresholds vs Temperature
GUID-20230329-SS0I-STRB-DJBM-70RWHN5PXJCD-low.svgFigure 7-22 Percise EN Threshold vs Temperature