JAJSHJ3D June   2019  – March 2020 TPS62840

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     Device Images
      1.      代表的なアプリケーション
      2.      効率と負荷電流の関係 (VOUT = 1.8V)
  4. 4 改訂履歴
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin 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 Smart Enable and Shutdown
      2. 8.3.2 Soft Start
      3. 8.3.3 Mode Selection: Power-Save Mode (PFM/PWM) or Forced PWM Operation (FPWM)
      4. 8.3.4 Output Voltage Selection (VSET)
      5. 8.3.5 Undervoltage Lockout UVLO
      6. 8.3.6 Switch Current Limit / Short Circuit Protection
      7. 8.3.7 Output Voltage Discharge
      8. 8.3.8 Thermal Shutdown
      9. 8.3.9 STOP Mode
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-Save Mode Operation
      2. 8.4.2 Forced PWM Mode Operation
      3. 8.4.3 100% Mode Operation
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Inductor Selection
        2. 9.2.2.2 Output Capacitor Selection
        3. 9.2.2.3 Input Capacitor Selection
      3. 9.2.3 Application Curves
    3. 9.3 System Example
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12デバイスおよびドキュメントのサポート
    1. 12.1 デバイス・サポート
      1. 12.1.1 デベロッパー・ネットワークの製品に関する免責事項
    2. 12.2 サポート・リソース
    3. 12.3 商標
    4. 12.4 静電気放電に関する注意事項
    5. 12.5 Glossary
  13. 13メカニカル、パッケージ、および注文情報

7.6 Typical Characteristics

TPS62840 D2007-SLVSEC6-01.gif
EN = VIN VOUT = 1.55 V Device Not Switching
Figure 1. Quiescent Current into VIN
(IQ_VIN)
TPS62840 IQ100-SLVSEC6-01.gif
EN = VIN VIN = VOUT = 3.3 V Device Not Switching
Figure 3. 100% Mode Quiescent Current
(IQ_100%_MODE)
TPS62840 D2006-SLVSEC6-01.gif
EN = GND
Figure 5. Shutdown Current
(ISD)
TPS62840 D2001-SLVSEC6-01.gifFigure 7. Low-Side RDSON versus Temperature
(DLC, YBG packages)
TPS62840 D2003-SLVSEC6-01-REWORKED.gifFigure 9. MODE Input Thresholds versus Temperature
TPS62840 D2012-SLVSEC6-01.gif
EN = GND VOUT = 1.8 V
Figure 11. Output Discharge Current versus Temperature
TPS62840 D00001-SLVSEC6-01.gif
EN = VIN VOUT = 1.55 V Device Not Switching
Figure 2. Quiescent Current into VOS
(IQ_VOS)
TPS62840 D2011-SLVSEC6-01.gif
EN = VIN VOUT = 1.8 V Device Not Switching
Figure 4. STOP Mode Quiescent Current into VIN
(IQ_VIN_STOP)
TPS62840 D2000-SLVSEC6-01.gif
Figure 6. High-Side RDSON versus Temperature
(DLC, YBG packages)
TPS62840 D2002-SLVSEC6-01-REWORKED.gifFigure 8. EN Input Thresholds versus Temperature
TPS62840 D2004-SLVSEC6-01-REWORKED.gifFigure 10. STOP Input Thresholds versus Temperature