SLVSD94E November   2017  – November 2021 TPS62088 , TPS62088A , TPS62089A

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Options
  6. 6 Pin Configuration and 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 Power Save Mode
      2. 8.3.2 Pulse Width Modulation (PWM) Operation
      3. 8.3.3 100% Duty Cycle Low Dropout Operation
      4. 8.3.4 Soft Start
      5. 8.3.5 Switch Current Limit and HICCUP Short-Circuit Protection
      6. 8.3.6 Undervoltage Lockout
      7. 8.3.7 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Enable and Disable
      2. 8.4.2 Power Good
  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 Custom Design With WEBENCH® Tools
        2. 9.2.2.2 Setting The Output Voltage
        3. 9.2.2.3 Feedforward Capacitor
        4. 9.2.2.4 Output Filter Design
        5. 9.2.2.5 Inductor Selection
        6. 9.2.2.6 Capacitor Selection
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
      1. 11.2.1 Thermal Considerations
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
      2. 12.1.2 Development Support
        1. 12.1.2.1 Custom Design With WEBENCH® Tools
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Support Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, 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

9.2.3 Application Curves

VIN = 5.0 V, VOUT = 1.8 V, TA = 25°C, BOM = Table 9-2, unless otherwise noted.
VIN = 5.0 V, VOUT = 1.8 V, TA = 25°C, BOM = Table 9-2, unless otherwise noted.GUID-322372D2-A61E-4209-8D16-3ACAC3570409-low.gif
VOUT = 0.6 V
Figure 9-3 Efficiency. VIN = 5.0 V, VOUT = 1.8 V, TA = 25°C, BOM = Table 9-2, unless otherwise noted.
GUID-20211102-SS0I-JBXH-36K8-WCHCGJJZJT78-low.gif
VOUT = 0.6 V FPWM devices
Figure 9-5 Efficiency
GUID-A02AF538-4228-4B0A-9459-03EE9B946233-low.gif
VOUT = 0.9 V
Figure 9-7 Efficiency
GUID-20211102-SS0I-C1PD-SVZQ-0WF9W6QFCTFH-low.gif
VOUT = 0.9 V FPWM devices
Figure 9-9 Efficiency
GUID-F66651FA-AAB3-4B84-9348-9B810269669D-low.gif
VOUT = 1.2 V
Figure 9-11 Efficiency
GUID-20211102-SS0I-VPDN-DN5F-VQ6PHWZSTNHV-low.gif
VOUT = 1.2 V FPWM devices
Figure 9-13 Efficiency
GUID-6B928685-69B0-4F48-B685-67FAE7CF67B3-low.gif
VOUT = 1.8 V
Figure 9-15 Efficiency
GUID-20211102-SS0I-T1GC-04KS-MMKNPZKVDWLF-low.gif
VOUT = 1.8 V FPWM devices
Figure 9-17 Efficiency
GUID-D2BC12D0-A73A-4A78-91B2-E20CD598A4A1-low.gif
VOUT = 3.3 V
Figure 9-19 Efficiency
GUID-20211102-SS0I-ZZ8Q-WJMR-PSTBRCKNG5T2-low.gif
VOUT = 3.32 V FPWM devices
Figure 9-21 Efficiency
GUID-89287E48-0C44-48FF-8940-0C96FDB243B2-low.gif
VIN = 3.3 V
Figure 9-23 Switching Frequency
GUID-20211102-SS0I-XFBJ-QZNF-GPGS951TZX5H-low.gif
VIN = 3.3 V FPWM devices
Figure 9-25 Switching Frequency
GUID-40635735-C549-41C0-8F30-3511E60D6772-low.gif
IOUT = 3.0 A
Figure 9-27 PWM Operation
GUID-20211102-SS0I-7LWZ-DRRV-LTSXMVHCQHCW-low.gif
IOUT = 0.1 A FPWM devices
Figure 9-29 FPWM Operation
GUID-20211102-SS0I-13KK-DH3V-7R5X48SL8SZ8-low.png
No load FPWM devices
Figure 9-31 Start-Up with No-Load
GUID-0E6E9584-325A-4F9E-83FD-C91FD876195D-low.gif
IOUT = 0.1 A to 3 A
Figure 9-33 Load Transient
GUID-40754075-4E55-4272-B3E6-A24344D42550-low.gif
IOUT = 1 A
Figure 9-35 HICCUP Short Circuit Protection (Zoom In)
GUID-7FCA943F-89E9-4948-9739-D24AE763676C-low.gif
VOUT = 0.6 V
Figure 9-4 Load Regulation
GUID-20211102-SS0I-P6NJ-TBJ6-ZJGTS2MRMDTT-low.gif
VOUT = 0.6 V FPWM devices
Figure 9-6 Load Regulation
GUID-C4355124-0A99-4DBB-BCF8-58FB2FC97725-low.gif
VOUT = 0.9 V
Figure 9-8 Load Regulation
GUID-20211102-SS0I-7C5B-TVZG-QLWKVCNBR5WD-low.gif
VOUT = 0.9 V
Figure 9-10 Load Regulation
GUID-AD1177D3-6E1A-43D6-AEB1-F221663083A3-low.gif
VOUT = 1.2 V
Figure 9-12 Load Regulation
GUID-20211102-SS0I-8NKL-3VB5-MDMFFPPF1CVV-low.gif
VOUT = 1.2 V FPWM devices
Figure 9-14 Load Regulation
GUID-2FC9177A-1D18-4D45-BED6-8B4760B7C6DD-low.gif
VOUT = 1.8 V
Figure 9-16 Load Regulation
GUID-20211102-SS0I-Q8FV-3T4G-TN5GZS8V9F27-low.gif
VOUT = 1.8 V FPWM devices
Figure 9-18 Load Regulation
GUID-2847B8DA-52A3-46C8-8EAF-0B55B21E5966-low.gif
VOUT = 3.3 V
Figure 9-20 Load Regulation
GUID-20211102-SS0I-GJSS-TKTM-LXBHK9KVRWPD-low.gif
VOUT = 3.32 V FPWM devices
Figure 9-22 Load Regulation
GUID-3021A680-131B-490B-8A2A-9E946ACDDE2A-low.gif
IOUT = 1.0 A
Figure 9-24 Switching Frequency
GUID-20211102-SS0I-R76W-H8FX-Z3ZJKMNDX5N7-low.gif
IOUT = 1.0 A FPWM devices
Figure 9-26 Switching Frequency
GUID-94589763-9EE7-453F-955C-299D9D43C7F2-low.gif
IOUT = 0.1 A
Figure 9-28 PSM Operation
GUID-8F456BF5-4701-4400-9789-7E1F5C3FA006-low.gif
No load
Figure 9-30 Start-Up with No-Load
GUID-72572B9A-B748-4F76-91F8-B2822073E468-low.gif
IOUT = 3.0 A
Figure 9-32 Start-Up with Load
GUID-999784E5-40EE-4C47-B681-4F88CB680748-low.gif
IOUT = 1 A
Figure 9-34 HICCUP Short Circuit Protection