SLUSDE4A August   2019  – August 2019 TPS56C230

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
      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  Soft Start
      3. 7.3.3  Large Duty Operation
      4. 7.3.4  Power Good
      5. 7.3.5  Overcurrent Protection and Undervoltage Protection
      6. 7.3.6  Overvoltage Protection
      7. 7.3.7  Out-of-Bounds Operation
      8. 7.3.8  UVLO Protection
      9. 7.3.9  Output Voltage Discharge
      10. 7.3.10 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Light Load Operation
      2. 7.4.2 Eco-mode Control
      3. 7.4.3 Force CCM
      4. 7.4.4 Mode Selection
      5. 7.4.5 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 Output Voltage Set Point
        3. 8.2.2.3 MODE Selection
        4. 8.2.2.4 Inductor Selection
        5. 8.2.2.5 Output Capacitor Selection
        6. 8.2.2.6 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

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • RJE|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.5 Electrical Characteristics

TJ =-40°C to 125°C, VVIN = 12 V, unless otherwise noted
PARAMETER TEST CONDITION MIN TYP MAX UNIT
SUPPLY CURRENT
VIN Input voltage range 4.5 18 V
IVIN Non-switching supply current No load, VEN=5V 400 μA
IVINSDN Shutdown supply current No load, VEN=0V 2 μA
VCC OUTPUT
VCC VCC output voltage VVIN>5.0V 4.85 5 5.15 V
VVIN=4.5V 4.5
ICC VCC current limit 20 mA
FEEDBACK VOLTAGE
VFB FB voltage TJ = 25°C 594 600 606 mV
TJ = -40°C to 125°C 591 600 609 mV
DUTY CYCLE and FREQUENCY CONTROL
FSW Switching frequency TJ = 25°C 500 kHz
tON(MIN) SW minumum on time TJ = 25°C 60 ns
tOFF(MIN) SW minimum off time TJ = 25°C, VFB = 0.5 V 180 ns
MOSFET and DRIVERS
RDS(ON)H High side switch resistance TJ = 25°C 17 mΩ
RDS(ON)L Low side switch resistance TJ = 25°C 5.9 mΩ
OUTPUT DISCHARGE and SOFT START
RDIS Discharge resistance TJ=25°C, VEN=0V 350 Ω
tSS Soft start time Internal soft-start time,SS floating 1.2 ms
ISS Soft start charge current 5 μA
POWER GOOD
tPGDLY PGOOD start-up delay PGOOD from low to high 1 ms
VPGTH PGOOD threshold VFB falling (fault) 85 %
VFB rising (good) 90 %
VFB rising (fault) 115 %
VFB falling (good) 110 %
VPG_L PGOOD sink current capability IOL =4mA 0.4 V
IPGLK PGOOD leak current VPGOOD =5.5V 1 μA
CURRENT LIMIT
IOCL Over current threshold (valley) TJ = 25°C 14 15 16 A
TJ = -40°C to 125°C 13 15 17.5 A
INOCL Negative over current threshold 4 A
LOGIC THRESHOLD
VENH EN high-level input voltage 1.2 1.3 1.4 V
VENL EN low-level input voltage 0.9 1.1 1.2 V
IEN Enable internal pull down current VEN=0.8V 2 µA
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
VOVP OVP trip threshold 125 %
tOVPDLY OVP prop deglitch 120 us
VUVP UVP trip threshold 60 %
tUVPDLY UVP prop deglitch 256 us
tUVPDEL Output Hiccup delay relative to SS time 1.5 cycle
tUVPEN Output Hiccup enable delay relative to SS time 10.5 cycle
UVLO
VUVLOVIN VIN UVLO threshold Wake up VIN voltage 4.2 4.4 V
Shutdown VIN voltage 3.6 3.7
Hysteresis VIN voltage 0.5 V
OVER TEMPERATURE PROTECTION
TOTP OTP trip threshold(1) Shutdown temperature 150 °C
TOTPHSY OTP hysteresis(1) Hysteresis 20 °C
(1) Not production tested