SLVSH62 November   2023 TPS61033-Q1 , TPS610333-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  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  Undervoltage Lockout
      2. 7.3.2  Enable and Soft Start
      3. 7.3.3  Setting the Output Voltage
      4. 7.3.4  Current Limit Operation
      5. 7.3.5  Pass-Through Operation
      6. 7.3.6  Power Good Indicator
      7. 7.3.7  Implement Output Discharge by PG function
      8. 7.3.8  Spread Spectrum Frequency Modulation
      9. 7.3.9  Overvoltage Protection
      10. 7.3.10 Output Short-to-Ground Protection
      11. 7.3.11 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 PWM Mode
      2. 7.4.2 Power-Save Mode
  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 Setting the Output Voltage
        2. 8.2.2.2 Inductor Selection
        3. 8.2.2.3 Output Capacitor Selection
        4. 8.2.2.4 Input 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
      3. 8.4.3 Thermal Considerations
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

1 Features

  • AEC-Q100 qualified:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
  • Functional Safety-Capable
  • Input voltage range: 1.8V to 5.5 V
  • Output voltage range: 2.2 V to 5.5 V (TPS61033)
    • When FB is connected to VIN output voltage fixed 5.0 V (TPS61033X )
  • Two valley switching current limit options
    • TPS61033-Q1: 5.5-A typical
    • TPS610333-Q1: 1.85-A typical
  • High efficiency and power capability
    • Two 25-mΩ (LS) / 46-mΩ (HS) MOSFETs
    • Support up to 2.4 MHz with small L-C
    • Up to 93.42% efficiency at VIN = 3.3 V, VOUT = 5 V, and IOUT = 1 A
    • Up to 90.78% efficiency at VIN = 3.3 V, VOUT = 5 V, and IOUT = 2 A
  • Extends the system operating time
    • Typical 20-μA quiescent current into VIN pin
    • Typical 5.3μA quiescent current into VOUT pin
    • Typical 0.1-μA shutdown current
  • ±1.5% Reference voltage accuracy over –40°C to +125°C
  • Power good output with window comparator
  • Pin-selectable auto PFM or forced PWM mode at light load
  • Spread spectrum frequency modulation
  • Pass-through mode when VIN > VOUT
  • Safety and robust operation features
    • True disconnection between input and output during shutdown
    • Output overvoltage and thermal shutdown protections
    • Output short-circuit protection
  • 2.1-mm × 1.6-mm SOT-5X3 8-Pin package