SLVSD94F November   2017  – November 2024 TPS62088 , TPS62088A , TPS62089A

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  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 
    5. 6.5 Electrical Characteristics
    6. 6.6 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 Power Save Mode
      2. 7.3.2 Pulse Width Modulation (PWM) Operation
      3. 7.3.3 100% Duty Cycle Low Dropout Operation
      4. 7.3.4 Soft Start
      5. 7.3.5 Switch Current Limit and HICCUP Short-Circuit Protection
      6. 7.3.6 Undervoltage Lockout
      7. 7.3.7 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable and Disable
      2. 7.4.2 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 Feedforward Capacitor
        4. 8.2.2.4 Output Filter Design
        5. 8.2.2.5 Inductor Selection
        6. 8.2.2.6 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 Third-Party Products Disclaimer
      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 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • YFP|6
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.2.3 Application Curves

VIN = 5.0 V, VOUT = 1.8 V, TA = 25°C, BOM = Table 8-2, unless otherwise noted.

TPS62088 TPS62088A TPS62089A Efficiency
VOUT = 0.6 V
Figure 8-3 Efficiency
TPS62088 TPS62088A TPS62089A Efficiency
VOUT = 0.6 V FPWM devices
Figure 8-5 Efficiency
TPS62088 TPS62088A TPS62089A Efficiency
VOUT = 0.9 V
Figure 8-7 Efficiency
TPS62088 TPS62088A TPS62089A Efficiency
VOUT = 0.9 V FPWM devices
Figure 8-9 Efficiency
TPS62088 TPS62088A TPS62089A Efficiency
VOUT = 1.2 V
Figure 8-11 Efficiency
TPS62088 TPS62088A TPS62089A Efficiency
VOUT = 1.2 V FPWM devices
Figure 8-13 Efficiency
TPS62088 TPS62088A TPS62089A Efficiency
VOUT = 1.8 V
Figure 8-15 Efficiency
TPS62088 TPS62088A TPS62089A Efficiency
VOUT = 1.8 V FPWM devices
Figure 8-17 Efficiency
TPS62088 TPS62088A TPS62089A Efficiency
VOUT = 3.3 V
Figure 8-19 Efficiency
TPS62088 TPS62088A TPS62089A Efficiency
VOUT = 3.32 V FPWM devices
Figure 8-21 Efficiency
TPS62088 TPS62088A TPS62089A Switching Frequency
VIN = 3.3 V
Figure 8-23 Switching Frequency
TPS62088 TPS62088A TPS62089A Switching Frequency
VIN = 3.3 V FPWM devices
Figure 8-25 Switching Frequency
TPS62088 TPS62088A TPS62089A PWM Operation
IOUT = 3.0 A
Figure 8-27 PWM Operation
TPS62088 TPS62088A TPS62089A FPWM Operation
IOUT = 0.1 A FPWM devices
Figure 8-29 FPWM Operation
TPS62088 TPS62088A TPS62089A Start-Up With No Load
No load FPWM devices
Figure 8-31 Start-Up With No Load
TPS62088 TPS62088A TPS62089A Load Transient
IOUT = 0.1 A to 3 A
Figure 8-33 Load Transient
TPS62088 TPS62088A TPS62089A HICCUP Short-Circuit Protection (Zoom In)
IOUT = 1 A
Figure 8-35 HICCUP Short-Circuit Protection (Zoom In)
TPS62088 TPS62088A TPS62089A Load Regulation
VOUT = 0.6 V
Figure 8-4 Load Regulation
TPS62088 TPS62088A TPS62089A Load Regulation
VOUT = 0.6 V FPWM devices
Figure 8-6 Load Regulation
TPS62088 TPS62088A TPS62089A Load Regulation
VOUT = 0.9 V
Figure 8-8 Load Regulation
TPS62088 TPS62088A TPS62089A Load Regulation
VOUT = 0.9 V
Figure 8-10 Load Regulation
TPS62088 TPS62088A TPS62089A Load Regulation
VOUT = 1.2 V
Figure 8-12 Load Regulation
TPS62088 TPS62088A TPS62089A Load Regulation
VOUT = 1.2 V FPWM devices
Figure 8-14 Load Regulation
TPS62088 TPS62088A TPS62089A Load Regulation
VOUT = 1.8 V
Figure 8-16 Load Regulation
TPS62088 TPS62088A TPS62089A Load Regulation
VOUT = 1.8 V FPWM devices
Figure 8-18 Load Regulation
TPS62088 TPS62088A TPS62089A Load Regulation
VOUT = 3.3 V
Figure 8-20 Load Regulation
TPS62088 TPS62088A TPS62089A Load Regulation
VOUT = 3.32 V FPWM devices
Figure 8-22 Load Regulation
TPS62088 TPS62088A TPS62089A Switching Frequency
IOUT = 1.0 A
Figure 8-24 Switching Frequency
TPS62088 TPS62088A TPS62089A Switching Frequency
IOUT = 1.0 A FPWM devices
Figure 8-26 Switching Frequency
TPS62088 TPS62088A TPS62089A PSM Operation
IOUT = 0.1 A
Figure 8-28 PSM Operation
TPS62088 TPS62088A TPS62089A Start-Up With No Load
No load
Figure 8-30 Start-Up With No Load
TPS62088 TPS62088A TPS62089A Start-Up With Load
IOUT = 3.0 A
Figure 8-32 Start-Up With Load
TPS62088 TPS62088A TPS62089A HICCUP Short-Circuit Protection
IOUT = 1 A
Figure 8-34 HICCUP Short-Circuit Protection