SLVSEW1B April   2019  – April 2019 TPS566235

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Application
      2.      Efficiency vs Output Current Eco-mode
  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 PWM Operation and D-CAP3 Control
      2. 7.3.2 Power Good
      3. 7.3.3 Soft Start and Pre-Biased Soft Start
      4. 7.3.4 Over current Protection and Undervoltage Protection
      5. 7.3.5 Over Voltage Protection
      6. 7.3.6 UVLO Protection
      7. 7.3.7 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Light Load Operation
      2. 7.4.2 MODE Pin Configuration
      3. 7.4.3 Advanced Eco-Mode Control
      4. 7.4.4 Out-Of-Audio Mode
      5. 7.4.5 Force CCM Mode
      6. 7.4.6 Standby Operation
  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
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information
    1. 12.1 Package Option Addendum
      1. 12.1.1 Packaging Information
      2. 12.1.2 Tape and Reel Information

Package Options

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

6.5 Electrical Characteristics

Tj = -40°C to 125°C, VIN = 12 V, typical values are at Tj = 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT SUPPLY VOLTAGE
VIN Input Voltage Range 4.5 18 V
IVIN VIN Supply Current VEN = 3.3V,Non Switching 108 µA
IVINSDN VIN Shutdown Current VEN = 0V 3 µA
VCC OUTPUT
VCC VCC Output Voltage VIN > 5.0V 4.75 4.83 4.92 V
VIN = 4.5, no Load 4.3 4.5 V
IVCC VCC Current Limit 20 mA
FEEDBACK VOLTAGE
VFB VFB Voltage TJ = 25°C 594 600 606 mV
TJ = -40 to 125°C 591 600 609 mV
UVLO
UVLO VIN Under-Voltage Lockout Wake up VIN voltage 4.2 4.4 V
Shut down VIN voltage 3.6 3.7 V
Hysteresis VIN voltage 500 mV
LOGIC THRESHOLD
VEN(ON) EN Threshold High-level 1.22 1.32 1.42 V
VEN(OFF) EN Threshold Low-level 1.04 1.12 1.20 V
IEN EN Pull Down Current VEN = 0.8V 2 µA
IMODE MODE Sourcing Current 5 µA
MOSFET
RDS(ON)H High Side MOSFET Rds(on) 25 mΩ
RDS(ON)L Low Side MOSFET Rds(on) 12 mΩ
DUTY CYCLE and FREQUENCY CONTROL
FSW Switching Frequency 600 kHz
TMIN_ON Minimum On-time 50 ns
TMIN_OFF Minimum Off-time 200 ns
OOA Function
TOOA Mode Operation Period 32 µs
SOFT START
TSS Soft Start Time 1 ms
POWER GOOD
TPGDLYLH PG Low to High Delay PG from low to high 160 µs
TPGDLYHL PG High to Low Delay PG from high to low 32 µs
VPGTH PG Threshold VFB falling (fault) 85 %
VFB rising (good) 90 %
VFB rising (fault) 115 %
VFB falling (good) 110 %
IPGSK PG Sink Current VPG = 0.5V 52 mA
IPGLK PG Leak Current VPG = 5.5V 1 µA
CURRENT LIMIT
IOCL Over Current Threshold Valley current set point 6.6 7.6 8.6 A
INOCL Negative Over Current Threshold 3.4 A
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
VOVP OVP Trip Threshold VFB rising (fault) 125 %
VFB falling (good) 120 %
tOVPDLY OVP Prop Deglitch 32 µs
VUVP UVP Trip Threshold VFB falling (fault) 60 %
VFB rising (good) 65 %
tUVPDLY UVP Prop Deglitch 256 µs
THERMAL PROTECTION
TOTP OTP Trip Threshold(1) 150 °C
TOTPHYS OTP Hysteresis(1) 20 °C
(1) Not production tested