ZHCSNV8A December   2021  – June 2022 TPS63901

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and 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 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 Trapezoidal Current Control
      2. 7.3.2 Device Enable and Disable
      3. 7.3.3 Soft Start
      4. 7.3.4 Input Current Limit
      5. 7.3.5 Dynamic Voltage Scaling
      6. 7.3.6 Device Configuration (Resistor-to-Digital Interface)
      7. 7.3.7 SEL Pin
      8. 7.3.8 Short-Circuit Protection
        1. 7.3.8.1 Current Limit Setting = 'Unlimited'
        2. 7.3.8.2 Current Limit Setting = 1 mA to 100 mA
      9. 7.3.9 Thermal Shutdown
    4. 7.4 Device Functional Modes
  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 Inductor Selection
        2. 8.2.2.2 Output Capacitor Selection
        3. 8.2.2.3 Input Capacitor Selection
        4. 8.2.2.4 Setting The Output Voltage
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 接收文档更新通知
    4. 11.4 支持资源
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 术语表
  12. 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

8.2.3 Application Curves

Table 8-5 Components for Application Characteristic Curves for VOUT = 3.3 V
Reference(1)Description(2)Part NumberManufacturer
U1400-mA ultra low IQ buck-boost converter (1.5 mm × 1.15 mm)TPS63901YCJTexas Instruments
L12.2 µH, 2.5 mm × 2 mm 3.3 A, 82 mΩDFE252012F-2R2MMurata
C110 µF, 0603, ceramic capacitor, ±20%, 6.3 VGRM188R60J106ME47Murata
C222 µF, 0603, ceramic capacitor, ±20%, 6.3 VGRM187R60J226ME15Murata
CFG136.5 kΩ, 0603 resistor, 1%, 100 mWStandardStandard
CFG20 Ω, 0603 resistor, 1%, 100 mWStandardStandard
CFG30 Ω, 0603 resistor, 1%, 100 mWStandardStandard
(2) For other output voltages, refer to Table 8-1 for resistor values.
VO = 1.8 V TA = 25°C
Figure 8-2 Efficiency vs Output Current
VO = 5.0 V TA = 25°C
Figure 8-4 Efficiency vs Output Current
GUID-2334EE2A-4CB8-4A10-92D7-CBEBC5DE32CD-low.gif
VI = 3.3 VTA = 25°C
Figure 8-6 Typical Burst Switching Frequency vs Output Current
GUID-8A488DE2-11DE-4EFA-8E53-D72472FA5EC0-low.gif
VI = 5.2 VTA = 25°C
Figure 8-8 Typical Burst Switching Frequency vs Output Current
VI = 4.4 V TA = 25°C
Figure 8-10 Output Voltage Ripple
VI = 3.3 V TA = 25°C
Figure 8-12 Load Regulation
VI = 1.8 V, VO = 3.3 VNo load
Figure 8-14 Switching Waveforms, Boost Operation
VI = 4.0 V, VO = 3.3 VNo load
Figure 8-16 Switching Waveforms, Buck Operation
VI = 2.5 V to 4.2 V, VO = 3.3 V Load = 400-mA resistive load
Figure 8-18 Line Transient, 400-mA Load
VI = 3.3 V, VO = 3.3 V Load = 0 mA to 300 mA, tr/tf = 2 μs
Figure 8-20 Load Transient, 300-mA Step
VI = 5.5 V, VO = 3.3 V Load = 0 mA to 300 mA, tr/tf = 2 μs
Figure 8-22 Load Transient, 300-mA Step
VI = 3.3 V, VO = 3.3 V 100-mA resistive load
Figure 8-24 Start-Up Behavior from Rising Enable
VI = 3.3 V, VO = 3.3 V CI = 32 μF, CO = 300 μF
Figure 8-26 Start-Up with 50-mA ICL
VI = 3.3 V, VO = 3.3 V TA = 25°C
Figure 8-28 Short Circuit Behavior
VI = 3.3 V, VO(1) = 2.2 V, VO(2) = 3.6 V 0.1-mA resistive load
Figure 8-30 DVS Behavior at Light Load
VO = 3.3 V TA = 25°C
Figure 8-3 Efficiency vs Output Current
TA = 25°C
Figure 8-5 Typical Output Current Capability vs Input Voltage
GUID-3E7B3DB9-8EF5-4F13-A60B-147FD9EED3AD-low.gif
VI = 2.0 VTA = 25°C
Figure 8-7 Typical Burst Switching Frequency vs Output Current
VI = 3.3 V TA = 25°C
Figure 8-9 Output Voltage Ripple
VI = 5.2 V TA = 25°C
Figure 8-11 Output Voltage Ripple
VI = 1.8 V to 5.0 V Load = 1 mA, TA = 25°C
Figure 8-13 Line Regulation
VI = 3.3 V, VO = 3.3 VNo load
Figure 8-15 Switching Waveforms, Buck-Boost Operation
VI = 2.5 V to 4.2 V, VO = 3.3 V Load = 200-mA resistive load
Figure 8-17 Line Transient, 200-mA Load
VI = 2.7 V, VO = 3.3 V Load = 0 mA to 300 mA, tr/tf = 2 μs
Figure 8-19 Load Transient, 300-mA Step
VI = 4.2 V, VO = 3.3 V Load = 0 mA to 300 mA, tr/tf = 2 μs
Figure 8-21 Load Transient, 300-mA Step
VI = 3.3 V, VO = 3.3 V 10-μA resistive load
Figure 8-23 Start-Up Behavior from Rising Enable
VI = 3.3 V, VO = 3.3 V CI = 32 μF, CO = 300 μF
Figure 8-25 Start-Up with 100-mA ICL
VI = 1.8 V, VO = 3.3 V TA = 25°C
Figure 8-27 Short Circuit Behavior
VI = 5.0 V, VO = 3.3 V TA = 25°C
Figure 8-29 Short Circuit Behavior
VI = 3.3 V, VO(1) = 2.2 V, VO(2) = 3.6 V 400-mA resistive load
Figure 8-31 DVS Behavior at High Load