JAJSNB5B July   2023  – June 2024 TPSM828301 , TPSM828302 , TPSM828303

PRODMIX  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Device Options
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information RDS Package
    5. 6.5 Thermal Information VCB Package
    6. 6.6 Electrical Characteristics
    7. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Pulse Width Modulation (PWM) Operation
      2. 7.3.2 Power Save Mode (PSM) Operation
      3. 7.3.3 Start-Up and Soft Start
      4. 7.3.4 Switch Cycle-by-Cycle Current Limit
      5. 7.3.5 Undervoltage Lockout
      6. 7.3.6 Thermal Shutdown
      7. 7.3.7 Optimized EMI Performance
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable, Disable, and Output Discharge
      2. 7.4.2 Minimum Duty Cycle and 100% Mode Operation
      3. 7.4.3 Power Good
  9. 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 Setting The Output Voltage
        3. 8.2.2.3 Input Capacitor Selection
        4. 8.2.2.4 Output Capacitor Selection
      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
        1. 8.4.2.1 Thermal Considerations
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 サード・パーティ製品に関する免責事項
      2. 9.1.2 Development Support
        1. 9.1.2.1 Custom Design With WEBENCH® Tools
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 サポート・リソース
    4. 9.4 Trademarks
    5. 9.5 静電気放電に関する注意事項
    6. 9.6 用語集
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

8.2.3 Application Curves

TA = 25°C, VIN = 5 V, VOUT = 1.8 V, BOM = Table 8-2 unless otherwise noted.

TPSM828301 TPSM828302 TPSM828303 Efficiency versus Output Current
VIN = 5 V

RDS package

TA = 25 °C

Figure 8-2 Efficiency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Efficiency versus Output Current
VIN = 3.3 V

RDS package

TA = 25 °C
Figure 8-4 Efficiency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Efficiency versus Output Current
VIN = 2.25 V

RDS package

TA = 25 °C
Figure 8-6 Efficiency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Efficiency versus Output Current
VIN = 5 VRDS packageTA = 85°C
Figure 8-8 Efficiency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Efficiency versus Output Current
VIN = 3.3 VRDS packageTA = 85°C
Figure 8-10 Efficiency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Efficiency versus Output Current
VIN = 2.25VRDS packageTA = 85°C
Figure 8-12 Efficiency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Output Voltage versus Output Current
VOUT = 0.5 VPFM
Figure 8-14 Output Voltage versus Output Current
TPSM828301 TPSM828302 TPSM828303 Output Voltage versus Output Current
VOUT = 0.9 VPFM
Figure 8-16 Output Voltage versus Output Current
TPSM828301 TPSM828302 TPSM828303 Output Voltage versus Output Current
VOUT = 1.2 VPFM
Figure 8-18 Output Voltage versus Output Current
TPSM828301 TPSM828302 TPSM828303 Output Voltage versus Output Current
VOUT = 1.8 VPFM
Figure 8-20 Output Voltage versus Output Current
TPSM828301 TPSM828302 TPSM828303 Output Voltage versus Output Current
VOUT = 2.5 VPFM
Figure 8-22 Output Voltage versus Output Current
TPSM828301 TPSM828302 TPSM828303 Output Voltage versus Output Current
VOUT = 3.3 VPFM
Figure 8-24 Output Voltage versus Output Current
TPSM828301 TPSM828302 TPSM828303 Switching Frequency versus Output Current
VOUT = 0.5 VPFM
Figure 8-26 Switching Frequency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Switching Frequency versus Output Current
VOUT = 1.8 VPFM
Figure 8-28 Switching Frequency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Switching Frequency versus Output Current
VOUT = 3.3 VPFM
Figure 8-30 Switching Frequency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Thermal Derating (Safe Operating Area)
VIN = 5.0 VTJmax = 125°CθJA= 49.8°C/W
Figure 8-32 Thermal Derating (Safe Operating Area)
TPSM828301 TPSM828302 TPSM828303 Output Voltage Ripple
IOUT = 100 mAPFM
Figure 8-34 Output Voltage Ripple
TPSM828301 TPSM828302 TPSM828303 Load Transient
IOUT = 1 mA to 2 APFMSlew rate = 1 A/μs
Figure 8-36 Load Transient
TPSM828301 TPSM828302 TPSM828303 Line Transient
VIN = 4.5 V to 5.5 VPFMIOUT = 100 mA
Figure 8-38 Line Transient
TPSM828301 TPSM828302 TPSM828303 Line Transient
VIN = 3.0 V to 3.6 VPFMIOUT = 100 mA
VOUT = 1.8 V
Figure 8-40 Line Transient
TPSM828301 TPSM828302 TPSM828303 Start-Up With Load
IOUT = 2 APFM or PWM
Figure 8-42 Start-Up With Load
TPSM828301 TPSM828302 TPSM828303 Disable, Active Output Discharge at No Load
IOUT = 0 mAPFM
Figure 8-44 Disable, Active Output Discharge at No Load
TPSM828301 TPSM828302 TPSM828303 HICCUP Short-Circuit Protection (Zoom In)
IOUT = 1.0 APFM or PWM
Figure 8-46 HICCUP Short-Circuit Protection (Zoom In)
TPSM828301 TPSM828302 TPSM828303 Efficiency versus Output Current
VIN = 5 VVCB package

TA = 25 °C

Figure 8-3 Efficiency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Efficiency versus Output Current
VIN = 3.3 VVCB package

TA = 25 °C

Figure 8-5 Efficiency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Efficiency versus Output Current
VIN = 2.25 V

VCB package

TA = 25 °C

Figure 8-7 Efficiency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Efficiency versus Output Current
VIN = 5 V

VCB package

TA = 85°C
Figure 8-9 Efficiency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Efficiency versus Output Current
VIN = 3.3 V

VCB package

TA = 85°C
Figure 8-11 Efficiency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Efficiency versus Output Current
VIN =2.25 V

VCB package

TA = 85°C
Figure 8-13 Efficiency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Output Voltage versus Output Current
VOUT = 0.5 VPWM
Figure 8-15 Output Voltage versus Output Current
TPSM828301 TPSM828302 TPSM828303 Output Voltage versus Output Current
VOUT = 0.9 VPWM
Figure 8-17 Output Voltage versus Output Current
TPSM828301 TPSM828302 TPSM828303 Output Voltage versus Output Current
VOUT = 1.2 VPWM
Figure 8-19 Output Voltage versus Output Current
TPSM828301 TPSM828302 TPSM828303 Output Voltage versus Output Current
VOUT = 1.8 VPWM
Figure 8-21 Output Voltage versus Output Current
TPSM828301 TPSM828302 TPSM828303 Output Voltage versus Output Current
VOUT = 2.5 VPWM
Figure 8-23 Output Voltage versus Output Current
TPSM828301 TPSM828302 TPSM828303 Output Voltage versus Output Current
VOUT = 3.3 VPWM
Figure 8-25 Output Voltage versus Output Current
TPSM828301 TPSM828302 TPSM828303 Switching Frequency versus Output Current
VOUT = 0.5 VPWM
Figure 8-27 Switching Frequency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Switching Frequency versus Output Current
VOUT = 1.8 VPWM
Figure 8-29 Switching Frequency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Switching Frequency versus Output Current
VOUT = 3.3 VPWM
Figure 8-31 Switching Frequency versus Output Current
TPSM828301 TPSM828302 TPSM828303 Thermal Derating (Safe Operating Area)
VIN = 3.3 VTJmax = 125°CθJA = 49.8°C/W
Figure 8-33 Thermal Derating (Safe Operating Area)
TPSM828301 TPSM828302 TPSM828303 Output Voltage Ripple
IOUT = 2 APWM
Figure 8-35 Output Voltage Ripple
TPSM828301 TPSM828302 TPSM828303 Load Transient
IOUT = 0 mA to 1 APWMSlew rate = 1 A/μs
Figure 8-37 Load Transient
TPSM828301 TPSM828302 TPSM828303 Line Transient
VIN = 4.5 V to 5.5 VPFM or PWMIOUT = 2 A
Figure 8-39 Line Transient
TPSM828301 TPSM828302 TPSM828303 Line Transient
VIN = 3.0 V to 3.6 VPFM or PWMIOUT = 2 A
VOUT = 1.8 V
Figure 8-41 Line Transient
TPSM828301 TPSM828302 TPSM828303 Start-Up With No Load
IOUT = 0 mAPFM
Figure 8-43 Start-Up With No Load
TPSM828301 TPSM828302 TPSM828303 HICCUP Short-Circuit Protection
IOUT = 1 APFM or PWM
Figure 8-45 HICCUP Short-Circuit Protection
TPSM828301 TPSM828302 TPSM828303 HICCUP Short-Circuit Protection (Zoom In - Second Hiccup)
IOUT = 1.0 APFM or PWM
Figure 8-47 HICCUP Short-Circuit Protection (Zoom In - Second Hiccup)