SLUSEA4D June   2021  – August 2022 TPS62932 , TPS62933 , TPS62933F , TPS62933O , TPS62933P

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Fixed Frequency Peak Current Mode
      2. 9.3.2  Pulse Frequency Modulation
      3. 9.3.3  Voltage Reference
      4. 9.3.4  Output Voltage Setting
      5. 9.3.5  Switching Frequency Selection
      6. 9.3.6  Enable and Adjusting Undervoltage Lockout
      7. 9.3.7  External Soft Start and Prebiased Soft Start
      8. 9.3.8  Power Good
      9. 9.3.9  Minimum On Time, Minimum Off Time, and Frequency Foldback
      10. 9.3.10 Frequency Spread Spectrum
      11. 9.3.11 Overvoltage Protection
      12. 9.3.12 Overcurrent and Undervoltage Protection
      13. 9.3.13 Thermal Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Modes Overview
      2. 9.4.2 Heavy Load Operation
      3. 9.4.3 Light Load Operation
      4. 9.4.4 Out of Audio Operation
      5. 9.4.5 Forced Continuous Conduction Operation
      6. 9.4.6 Dropout Operation
      7. 9.4.7 Minimum On-Time Operation
      8. 9.4.8 Shutdown Mode
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1  Custom Design With WEBENCH® Tools
        2. 10.2.2.2  Output Voltage Resistors Selection
        3. 10.2.2.3  Choosing Switching Frequency
        4. 10.2.2.4  Soft-Start Capacitor Selection
        5. 10.2.2.5  Bootstrap Capacitor Selection
        6. 10.2.2.6  Undervoltage Lockout Setpoint
        7. 10.2.2.7  Output Inductor Selection
        8. 10.2.2.8  Output Capacitor Selection
        9. 10.2.2.9  Input Capacitor Selection
        10. 10.2.2.10 Feedforward Capacitor CFF Selection
        11. 10.2.2.11 Maximum Ambient Temperature
      3. 10.2.3 Application Curves
    3. 10.3 What to Do and What Not to Do
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Third-Party Products Disclaimer
      2. 13.1.2 Development Support
        1. 13.1.2.1 Custom Design With WEBENCH® Tools
    2. 13.2 Receiving Notification of Documentation Updates
    3. 13.3 Support Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.6 Typical Characteristics

TJ = –40°C to 150°C, VIN = 12 V, unless otherwise noted.

Figure 8-1 TPS62933 Quiescent Current vs Junction Temperature
Figure 8-3 High-Side RDSON vs Junction Temperature
Figure 8-5 Feedback Voltage vs Junction Temperature
Figure 8-7 Disable Threshold vs Junction Temperature
Figure 8-9 VIN UVLO Falling Threshold vs Junction Temperature
Figure 8-11 TPS62933 High-Side Current Limit vs Junction Temperature
Figure 8-13 TPS62932 High-Side Current Limit vs Junction Temperature
Figure 8-15 OVP Threshold vs Junction Temperature
Figure 8-17 Soft-Start Charge Current vs Junction Temperature
Figure 8-19 TPS62933 Efficiency, VOUT = 3.3 V,
fSW = 1200 kHz, L = 2.2 µH
Figure 8-21 TPS62932 Efficiency, VOUT = 5 V,
fSW = 500 kHz, L = 10 µH
Figure 8-23 TPS62933O Efficiency, VOUT = 5 V,
fSW = 500 kHz, L = 6.8 µH
Figure 8-25 TPS62933 Load Regulation,
VOUT = 3.3 V, fSW = 1200 kHz
Figure 8-27 TPS62932 Load Regulation,
VOUT = 5 V, fSW = 500 kHz
Figure 8-29 TPS62933O Load Regulation,
VOUT = 5 V, fSW = 500 kHz
Figure 8-31 TPS62933 Line Regulation,
VOUT = 12 V, fSW = 500 kHz
Figure 8-33 TPS62933F Line Regulation,
VOUT = 5 V, fSW = 500 kHz
Figure 8-35 TPS62933 Switching Frequency vs Load Current, VOUT = 3.3 V, fSW = 500 kHz
(RT Floating)
Figure 8-37 TPS62933 Switching Frequency vs VIN, VOUT = 3.3 V, IOUT = 3 A
Figure 8-2 Shutdown Current vs Junction Temperature
Figure 8-4 Low-Side RDSON vs Junction Temperature
Figure 8-6 Enable Threshold vs Junction Temperature
Figure 8-8 VIN UVLO Rising Threshold vs Junction Temperature
Figure 8-10 Switching Frequency (RT Floating) vs Junction Temperature
Figure 8-12 TPS62933 Low-Side Current Limit vs Junction Temperature
Figure 8-14 TPS62932 Low-Side Current Limit vs Junction Temperature
Figure 8-16 UVP Threshold vs Junction Temperature
Figure 8-18 TPS62933 Efficiency, VOUT = 3.3 V,
fSW = 500 kHz, L = 4.7 µH
Figure 8-20 TPS62933 Efficiency, VOUT = 12 V,
fSW = 500 kHz, L = 12 µH
Figure 8-22 TPS62933F Efficiency, VOUT = 5 V,
fSW = 500 kHz, L = 6.8 µH
Figure 8-24 TPS62933 Load Regulation,
VOUT = 3.3 V, fSW = 500 kHz
Figure 8-26 TPS62933 Load Regulation,
VOUT = 12 V, fSW = 500 kHz
Figure 8-28 TPS62933F Load Regulation,
VOUT = 5 V, fSW = 500 kHz
Figure 8-30 TPS62933 Line Regulation,
VOUT = 3.3 V, fSW = 500 kHz
Figure 8-32 TPS62932 Line Regulation, VOUT = 5 V, fSW = 500 kHz
Figure 8-34 TPS62933O Line Regulation,
VOUT = 5 V, fSW = 500 kHz
Figure 8-36 TPS62933 Switching Frequency vs Load Current, VOUT = 3.3 V, fSW = 1200 kHz
(RT to GND)