SLVS696D October   2008  – April 2020

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Application Schematic
      2.      Efficiency versus Output Current
  4. 4 Revision History
  5. 5 Output Voltage Options
  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 Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 Device Enable
      2. 8.3.2 Undervoltage Lockout
      3. 8.3.3 Overtemperature Protection
    4. 8.4 Device Functional Modes
      1. 8.4.1 Soft Start and Short Circuit Protection
      2. 8.4.2 Buck-Boost Operation
      3. 8.4.3 Power-Save Mode and Synchronization
  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 Programming the Output Voltage
        2. 9.2.2.2 Inductor Selection
        3. 9.2.2.3 Capacitor Selection
          1. 9.2.2.3.1 Input Capacitor
          2. 9.2.2.3.2 Bypass Capacitor
          3. 9.2.2.3.3 Output Capacitor
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Related Links
    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

7.5 Electrical Characteristics

over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature range of 25°C) (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DC/DC STAGE
VIN Input voltage range 1.8 5.5 V
VIN Minimum input voltage for start-up 0°C ≤ TA ≤ 85°C 1.6 1.8 1.9 V
VIN Minimum input voltage for start-up 1.6 1.8 2.0 V
VOUT TPS63030 output voltage range 1.2 5.5 V
Minimum duty cycle in step-down conversion 30% 40%
VFB TPS63030 feedback voltage PS/SYNC = VIN 495 500 505 mV
TPS63031 output voltage 3.267 3.3 3.333 V
VFB TPS63030 feedback voltage PS/SYNC = GND Referenced to 500 mV -3% +6%
TPS63031 output voltage PS/SYNC = GND Referenced to 3.3 V -3% +6%
f Oscillator frequency 2200 2400 2600 kHz
Frequency range for synchronization 2200 2400 2600 kHz
ISW Average switch current limit VIN = VINA = 3.6 V, TA = 25°C 900 1000 1300 mA
High-side switch ON-resistance VIN = VINA = 3.6 V 200 mΩ
Low-side switch ON-resistance VIN = VINA = 3.6 V 200 mΩ
Maximum line regulation 0.5%
Maximum load regulation 0.5%
Iq Quiescent current VIN and VINA IOUT = 0 mA, VEN = VIN = VINA = 3.6 V,
VOUT = 3.3 V		 25 35 μA
VOUT 4 6 μA
TPS63031 FB input impedance VEN = HIGH 1 MΩ
IS Shutdown current VEN = 0 V, VIN = VINA = 3.6 V 0.1 0.9 μA
CONTROL STAGE
VUVLO Under voltage lockout threshold VINA voltage decreasing 1.4 1.5 1.6 V
VIL EN, PS/SYNC input low voltage 0.4 V
VIH EN, PS/SYNC input high voltage 1.2 V
EN, PS/SYNC input current Clamped on GND or VINA 0.01 0.1 μA
Overtemperature protection 140 °C
Overtemperature hysteresis 20 °C