SLVS916I July   2010  – October 2019 TPS63020 , TPS63021

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
      2.      Efficiency vs Output Current
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 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
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Dynamic Voltage Positioning
      2. 7.3.2 Dynamic Current Limit
      3. 7.3.3 Device Enable
      4. 7.3.4 Power Good
      5. 7.3.5 Overvoltage Protection
      6. 7.3.6 Undervoltage Lockout
      7. 7.3.7 Overtemperature Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Soft-start and Short Circuit Protection
      2. 7.4.2 Buck-Boost Operation
      3. 7.4.3 Control Loop
      4. 7.4.4 Power Save Mode and Synchronization
  8. 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 Inductor Selection
        3. 8.2.2.3 Output Capacitor Selection
        4. 8.2.2.4 Input Capacitor Selection
        5. 8.2.2.5 Bypass Capacitor
      3. 8.2.3 Setting The Output Voltage
      4. 8.2.4 Application Curves
    3. 8.3 System Examples
      1. 8.3.1 Improved Transient Response for 2 A Load Current
      2. 8.3.2 Supercapacitor Backup Power Supply With Active Cell Balancing
      3. 8.3.3 Low-Power TEC Driver
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Device Support
      1. 11.2.1 Custom Design with WEBENCH Tools
      2. 11.2.2 Third-Party Products Disclaimer
    3. 11.3 Documentation Support
      1. 11.3.1 Related Documentation
    4. 11.4 Related Links
    5. 11.5 Support Resources
    6. 11.6 Trademarks
    7. 11.7 Electrostatic Discharge Caution
    8. 11.8 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

6.5 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 1.8 5.5 V
Minimum input voltage for start-up 0°C ≤ TA ≤ 85°C 1.5 1.8 1.9 V
Minimum input voltage for start-up 1.5 1.8 2.0 V
VOUT TPS63020 output voltage 1.2 5.5 V
Duty cycle in step down conversion 20%
VFB_PWM TPS63020 feedback voltage PS/SYNC = VIN 495 500 505 mV
TPS63021 output voltage 3.267 3.3 3.333 V
VFB_PS TPS63020 feedback voltage / TPS63021 output voltage regulation in PS mode PS/SYNC = GND; referenced to VFB_PWM 0.6% 5%
Maximum line regulation 0.5%
Maximum load regulation 0.5%
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 3500 4000 4500 mA
High side switch on resistance VIN = VINA = 3.6 V 50 mΩ
Low side switch on resistance VIN = VINA = 3.6 V 50 mΩ
Iq Quiescent current VIN and VINA IOUT = 0 mA, VEN = VIN = VINA = 3.6 V,
VOUT = 3.3 V		 25 50 μA
VOUT 5 10 μA
TPS63021 FB input impedance VEN = HIGH 1 MΩ
IS Shutdown current VEN = 0 V, VIN = VINA = 3.6 V 0.1 1 μA
CONTROL STAGE
UVLO Under voltage lockout threshold VINA voltage decreasing 1.4 1.5 1.6 V
Under voltage lockout hysteresis 200 mV
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 to GND or VINA 0.01 0.1 μA
PG output low voltage VOUT = 3.3 V, IPGL = 10 μA 0.04 0.4 V
PG output leakage current 0.01 0.1 μA
Output overvoltage protection 5.5 7 V
Overtemperature protection 140 °C
Overtemperature hysteresis 20 °C