ZHCSQD4A october   2022  – march 2023 TPS62993-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 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. 7.6 Typical Characteristics
  8. 8 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
  9. 9 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
  10. 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
  11. 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

9.3.3.2 Application Curves Vout = 3.3 V

GUID-20220812-SS0I-FZ4T-5B0V-LKS2QDJLNN22-low.svg
VOUT = 3.3 V L = 1.0 μH Fsw = 2.5 MHz
Auto PFM/PWM
Figure 9-52 Efficiency vs Output Current
GUID-20220816-SS0I-29NF-BNZ5-V2PDN1QXS3ZR-low.svg
VOUT = 3.3 V L = 1.0 μH Fsw = 2.5 MHz
Auto PFM/PWM
Figure 9-54 Switching Frequency vs Input Voltage
GUID-20220816-SS0I-FJJ1-GKLT-4ZPBST8J4DQS-low.svg
VOUT = 3.3 V L = 1.0 μH Fsw = 2.5 MHz
Auto PFM/PWM
Figure 9-56 Output Voltage vs Output Current
GUID-20220812-SS0I-JT7P-KGSF-R6RK4FWCFC9C-low.svg
VOUT = 3.3 V L = 2.2 μH Fsw = 1.0 MHz
Auto PFM/PWM
Figure 9-58 Efficiency vs Output Current
GUID-20220816-SS0I-F75L-WQWZ-TLWQPFSXDHNR-low.svg
VOUT = 3.3 V L = 2.2 μH Fsw = 1.0 MHz
Auto PFM/PWM
Figure 9-60 Switching Frequency vs Input Voltage
GUID-20220816-SS0I-5VSB-MJ3X-RQ9NMQCJXSFS-low.svg
VOUT = 3.3 V L = 2.2 μH Fsw = 1.0 MHz
Auto PFM/PWM
Figure 9-62 Output Voltage vs Output Current
GUID-20221011-SS0I-9NG6-LLZS-XNKFCQB2PBRV-low.png
VIN = 6 V Css = 3.3 nF Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 0 A Auto PFM/PWM
Figure 9-64 Start-Up Timing
GUID-20221011-SS0I-BTD2-LNJT-GSCFGSDWR1P7-low.png
VIN = 6 V Css = 3.3 nF Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 3 A FPWM
Figure 9-66 Start-Up Timing
GUID-20221011-SS0I-6KXZ-ZCFV-VMV8ZXP2LJLT-low.png
VIN = 6 V Css = 3.3 nF Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 0 A FPWM
Figure 9-68 Start-Up into Prebiased Output
GUID-20221011-SS0I-6HQW-K5DQ-ZHGQTF4VGGDJ-low.png
VIN = 6 V L = 1.0 μH Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 10 mA Auto PFM/PWM
Figure 9-70 Shutdown Timing with Output Discharge Disabled
GUID-20221011-SS0I-FBXG-B8NG-V4HVGHMNLBJB-low.png
VIN = 6 V L = 1.0 μH Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 10 mA to 1 A Auto PFM/PWM
Figure 9-72 Load Transient Response
GUID-20221011-SS0I-K6VZ-9FH4-NC79FFS6T72N-low.png
VIN = 6 V L = 1.0 μH Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 1 A to 10 mA Auto PFM/PWM
Figure 9-74 Load Transient Response Overshoot
GUID-20221011-SS0I-GPCN-GXMW-M05RPSFHMB5X-low.png
VIN = 6 V L = 2.2 μH Fsw = 1.0 MHz
VOUT = 3.3 V IOUT = 100 mA Auto PFM/PWM
Figure 9-76 Output Voltage Ripple
GUID-20221011-SS0I-PQLQ-3481-WRB35VH7JTZR-low.png
VIN = 6 V L = 1.0 μH Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 3 A FPWM
Figure 9-78 Output Voltage Ripple
GUID-20221011-SS0I-QWCN-M0CS-JDBVQG61VGXQ-low.png
VIN = 6 V L = 2.2 μH Fsw = 1.0 MHz
VOUT = 3.3 V IOUT = 5 A FPWM
Figure 9-80 Current Limit
GUID-20220812-SS0I-7CQV-X4BH-MLG0FFSN0G5V-low.svg
VOUT = 3.3 V L = 1.0 μH Fsw = 2.5 MHz
Forced PWM
Figure 9-53 Efficiency vs Output Current
GUID-20220816-SS0I-RSKZ-JQDZ-K3XJVVKGDSDS-low.svg
VOUT = 3.3 V L = 1.0 μH Fsw = 2.5 MHz
Forced PWM
Figure 9-55 Switching Frequency vs Input Voltage
GUID-20220816-SS0I-44TP-NL9C-HLSB4MFZWRP1-low.svg
VOUT = 3.3 V L = 1.0 μH Fsw = 2.5 MHz
Forced PWM
Figure 9-57 Output Voltage vs Output Current
GUID-20220812-SS0I-FLRN-BMLK-TZJTQSN9CDD9-low.svg
VOUT = 3.3 V L = 2.2 μH Fsw = 1.0 MHz
Forced PWM
Figure 9-59 Efficiency vs Output Current
GUID-20220816-SS0I-CLWH-XGQV-BQGPD9LMH6LV-low.svg
VOUT = 3.3 V L = 2.2 μH Fsw = 1.0 MHz
Forced PWM
Figure 9-61 Switching Frequency vs Input Voltage
GUID-20220816-SS0I-DCTD-J9RH-GMFQ9B73QVNF-low.svg
VOUT = 3.3 V L = 2.2 μH Fsw = 1.0 MHz
Forced PWM
Figure 9-63 Output Voltage vs Output Current
GUID-20221011-SS0I-LDJK-7CLP-RVBNGVXJN7VD-low.png
VIN = 6 V Css = 0 nF Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 0 A Auto PFM/PWM
Figure 9-65 Start-Up Timing
GUID-20221011-SS0I-N286-NKJJ-KL7NKZBDZDFK-low.png
VIN = 6 V Css = 0 nF Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 3 A FPWM
Figure 9-67 Start-Up Timing
GUID-20221011-SS0I-NP7K-9WC9-QJRGQ5JRWLBX-low.png
VIN = 6 V L = 1.0 μH Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 10 mA Auto PFM/PWM
Figure 9-69 Shutdown Timing with Output Discharge Enabled
GUID-20221011-SS0I-TFP7-DPPL-MFKD2G959D5L-low.png
VIN = 6 V L = 1.0 μH Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 3 A FPWM
Figure 9-71 Shutdown Timing with Output Discharge Disabled
GUID-20221011-SS0I-C56R-FXLL-L0K3WNP4WPNF-low.png
VIN = 6 V L = 1.0 μH Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 10 mA to 1 A Auto PFM/PWM
Figure 9-73 Load Transient Response Undershoot
GUID-20221011-SS0I-DLL2-FCLW-FDJ51BCBWKSJ-low.png
VIN = 6 V L = 1.0 μH Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 0 A Auto PFM/PWM
Figure 9-75 Output Voltage Ripple
GUID-20221011-SS0I-ZXQ5-FWWZ-1ZJWRM39HHJP-low.png
VIN = 6 V L = 1.0 μH Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 1 A Auto PFM/PWM
Figure 9-77 Output Voltage Ripple
GUID-20221011-SS0I-HC89-2NZS-WK8DVX1RTHLT-low.png
VIN = 6 V L = 1.0 μH Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 3 A FPWM
Figure 9-79 Input Voltage Ripple
GUID-20221011-SS0I-DVRK-RM90-D57WWDDTNPHX-low.svg
VIN = 6 V L = 1.0 μH Fsw = 2.5 MHz
VOUT = 3.3 V IOUT = 3 A FPWM
Figure 9-81 Bode Plot
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