JAJSVH7A October   2024  – November 2024 TPS61287

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Enable and Start-up
      2. 6.3.2 Undervoltage Lockout (UVLO)
      3. 6.3.3 Programmable EN/UVLO
      4. 6.3.4 Switching Valley Current Limit
      5. 6.3.5 External Clock Synchronization
      6. 6.3.6 Stackable Multi-phase Operation
      7. 6.3.7 Device Functional Modes
        1. 6.3.7.1 Forced PWM Mode
        2. 6.3.7.2 Auto PFM Mode
      8. 6.3.8 Overvoltage Protection
      9. 6.3.9 Thermal Shutdown
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Setting Output Voltage
        2. 7.2.2.2 Inductor Selection
        3. 7.2.2.3 Bootstrap And VCC Capacitors Selection
        4. 7.2.2.4 MOSFET Selection
        5. 7.2.2.5 Input Capacitor Selection
        6. 7.2.2.6 Output Capacitor Selection
        7. 7.2.2.7 Loop Stability
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
        1. 7.4.2.1 Thermal Considerations
  9. 8 Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 サポート・リソース
    3. 8.3 Trademarks
    4. 8.4 静電気放電に関する注意事項
    5. 8.5 用語集
  10. 9 Revision History
  11. 10Mechanical, 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

7.2.3 Application Curves

TPS61287 Switching Waveforms in 3A load PFM Mode
VIN = 3.6V VOUT = 18V IOUT = 3A
Figure 7-2 Switching Waveforms in 3A load PFM Mode
TPS61287 Switching Waveforms in 100mA load PFM Mode
VIN = 3.6V VOUT = 18V IOUT = 100mA
Figure 7-4 Switching Waveforms in 100mA load PFM Mode
TPS61287 Switching Waveforms in 10mA load PFM Mode
VIN = 3.6V VOUT = 18V IOUT = 10mA
Figure 7-6 Switching Waveforms in 10mA load PFM Mode
TPS61287 Start-up Waveforms
VIN = 3.6V VOUT = 18V RLOAD = 10Ω
Figure 7-8 Start-up Waveforms
TPS61287 Load Transient (IOUT = 1A to 3A)
VIN = 3.6V VOUT = 18V
Figure 7-10 Load Transient (IOUT = 1A to 3A)
TPS61287 Load Sweep (IOUT = 1A to 3A)
VIN = 3.6V VOUT = 18V
Figure 7-12 Load Sweep (IOUT = 1A to 3A)
TPS61287 Switching Waveforms in 3A load FPWM Mode
VIN = 3.6V VOUT = 18V IOUT = 3A
Figure 7-3 Switching Waveforms in 3A load FPWM Mode
TPS61287 Switching Waveforms in 100mA load FPWM Mode
VIN = 3.6V VOUT = 18V IOUT = 100mA
Figure 7-5 Switching Waveforms in 100mA load FPWM Mode
TPS61287 Switching Waveforms in 10mA load FPWM Mode
VIN = 3.6V VOUT = 18V IOUT = 10mA
Figure 7-7 Switching Waveforms in 10mA load FPWM Mode
TPS61287 Shutdown Waveforms
VIN = 3.6V VOUT = 18V RLOAD = 10Ω
Figure 7-9 Shutdown Waveforms
TPS61287 Line Transient (VIN = 3.3V to 4.2V)
VOUT = 18V IOUT = 2A
Figure 7-11 Line Transient (VIN = 3.3V to 4.2V)
TPS61287 Line Sweep (VIN = 3.3V to 4.2V)
VOUT = 18V IOUT = 2A
Figure 7-13 Line Sweep (VIN = 3.3V to 4.2V)