SLVSDI8C october   2016  – august 2023 TPS568215

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  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 Timing Requirements
    7. 6.7 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  PWM Operation and D-CAP3 Control Mode
      2. 7.3.2  Eco-mode Control
      3. 7.3.3  4.7 V LDO and External Bias
      4. 7.3.4  MODE Selection
      5. 7.3.5  Soft Start and Pre-biased Soft Start
      6. 7.3.6  Enable and Adjustable UVLO
      7. 7.3.7  Power Good
      8. 7.3.8  Overcurrent Protection and Undervoltage Protection
      9. 7.3.9  Out-of-Bounds Operation
      10. 7.3.10 UVLO Protection
      11. 7.3.11 Thermal Shutdown
      12. 7.3.12 Output Voltage Discharge
    4. 7.4 Device Functional Modes
      1. 7.4.1 Light Load Operation
      2. 7.4.2 Standby Operation
  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 External Component Selection
          1. 8.2.2.1.1 Output Voltage Set Point
          2. 8.2.2.1.2 Switching Frequency and Mode Selection
          3. 8.2.2.1.3 Inductor Selection
          4. 8.2.2.1.4 Output Capacitor Selection
          5. 8.2.2.1.5 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
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
      2. 9.1.2 Development Support
    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. 10Mechanical, Packaging, and Orderable Information

Package Options

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

6.5 Electrical Characteristics

TJ = –40°C to 150°C, VIN=12V (unless otherwise noted)
PARAMETERCONDITIONSMINTYPMAXUNIT
SUPPLY CURRENT
IINVIN supply currentTJ = 25°C, VEN=5 V, non switching600700µA
IVINSDNVIN shutdown currentTJ = 25°C, VEN=0 V7µA
LOGIC THRESHOLD
VENHEN H-level threshold voltage1.1751.2251.3V
VENLEN L-level threshold voltage1.0251.1041.15V
VENHYS0.121V
IENp1EN pull-up currentVEN = 1.0 V0.351.912.95µA
IENp2VEN = 1.3 V34.1975.5µA
FEEDBACK VOLTAGE
VFBFB voltageTJ = 25°C598600602mV
TJ = 0°C to 85°C597.5600602.5mV
TJ = –40°C to 85°C594600602.5mV
TJ = –40°C to 150°C594600606mV
LDO VOLTAGE
VREG5LDO Output voltageTJ = –40°C to 150°C4.584.74.83V
ILIM5LDO Output Current limitTJ = –40°C to 150°C100150200mA
MOSFET
RDS(on)HHigh side switch resistanceTJ = 25°C, VVREG5 = 4.7 V19mΩ
RDS(on)LLow side switch resistanceTJ = 25°C, VVREG5 = 4.7 V9.4mΩ
SOFT START
IssSoft start charge currentTJ = -40°C to 150°C4.967.1µA
CURRENT LIMIT
IOCLCurrent Limit (Low side sourcing)ILIM-1 option, Valley Current67.18.15A
ILIM option, Valley Current89.410.8A
Current Limit (Low side negative)Valley Current3A
POWER GOOD
VPGOODTHPGOOD thresholdVFB falling (fault)84%%VREF
VFB rising (good)93%%VREF
VFB rising (fault)116%%VREF
VFB falling (good)107%%VREF
OUTPUT UNDERVOLTAGE PROTECTION
VUVPOutput UVP thresholdHiccup detect68% x VFB
THERMAL SHUTDOWN
TSDNThermal shutdown thresholdShutdown temperature160°C
Hysteresis15°C
TSDN VREG5VREG5 thermal shutdown thresholdShutdown temperature171°C
Hysteresis18°C
UVLO
UVLOUVLO thresholdVREG5 rising voltage4.14.34.5V
VREG5 falling voltage3.343.573.8V
VREG5 hysteresis730mV