SLVSES4C September   2019  – June 2021 TPS54J060

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and 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  Enable and Internal LDO
      2. 7.3.2  Split Rail and External LDO
      3. 7.3.3  Output Voltage Setting
      4. 7.3.4  Soft Start and Output-Voltage Tracking
      5. 7.3.5  Frequency and Operation Mode Selection
      6. 7.3.6  D-CAP3 Control
      7. 7.3.7  Current Sense and Positive Overcurrent Protection
      8. 7.3.8  Low-side FET Negative Current Limit
      9. 7.3.9  Power Good
      10. 7.3.10 Overvoltage and Undervoltage Protection
      11. 7.3.11 Out-Of-Bounds Operation (OOB)
      12. 7.3.12 Output Voltage Discharge
      13. 7.3.13 UVLO Protection
      14. 7.3.14 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Auto-Skip Eco-Mode Light Load Operation
      2. 7.4.2 Forced Continuous-Conduction Mode
      3. 7.4.3 Pre-Bias Start-up
  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  Choose the Switching Frequency and Operation Mode (MODE Pin)
        2. 8.2.2.2  Choose the Output Inductor (L)
        3. 8.2.2.3  Set the Current Limit (TRIP)
        4. 8.2.2.4  Choose the Output Capacitors (COUT)
        5. 8.2.2.5  Choose the Input Capacitors (CIN)
        6. 8.2.2.6  Feedback Network (FB Pin)
        7. 8.2.2.7  Soft Start Capacitor (SS/REFIN Pin)
        8. 8.2.2.8  EN Pin Resistor Divider
        9. 8.2.2.9  VCC Bypass Capacitor
        10. 8.2.2.10 BOOT Capacitor
        11. 8.2.2.11 Series BOOT Resistor and RC Snubber
        12. 8.2.2.12 PGOOD Pullup Resistor
      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 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Support Resources
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Trademarks
    5. 11.5 Glossary
    6. 11.6 Electrostatic Discharge Caution
  12. 12Mechanical, Packaging, and Ordering Information

Package Options

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

8.2.3 Application Curves

GUID-20200921-CA0I-ZNZB-BZV9-2DPBDKQZ53BR-low.gif
VOUT = 1.8 V fSW = 1100 kHz MODE = FCCM
VCC = Int 3.0 V
Figure 8-2 Efficiency – 1100 kHz, FCCM
GUID-20200921-CA0I-B3KB-37WG-JL8NGVNDMNDC-low.gif
VOUT = 1.8 V fSW = 1100 kHz MODE = FCCM
VCC = Ext 3.3 V RBOOT = 4.7 Ω
Figure 8-4 Efficiency – 1100 kHz, FCCM, External 3.3-V VCC, 4.7-Ω RBOOT
VOUT = 1.8 V fSW = 1100 kHz MODE = DCM
VCC = Ext 3.3 V RBOOT = 4.7 Ω
Figure 8-6 Efficiency – 1100 kHz, DCM, External 3.3-V VCC, 4.7-Ω RBOOT
GUID-20200921-CA0I-P0DS-FBLX-HVVF70QGLP3S-low.gif
VOUT = 1.8 V fSW = 600 kHz MODE = FCCM
VCC = Int 3.0 V
Figure 8-8 Efficiency – 600 kHz, FCCM
GUID-63EDBF08-E448-4BC3-AAE0-36DEEF7C2811-low.gif
VOUT = 1.8 V fSW = 1100 kHz MODE = FCCM
Figure 8-10 Output Voltage vs Output Current – FCCM
GUID-DBAA1DDE-1BFE-4D1F-A2A1-2C4CC7F0F8DA-low.gif
VOUT = 1.8 V fSW = 1100 kHz
Figure 8-12 Output Voltage vs Input Voltage
VOUT = 1.8 V fSW = 600 kHz MODE = FCCM
Figure 8-14 Switching Frequency vs Output Current – 600 kHz
GUID-8DED30F1-3E74-46D9-A532-B7721036D1D9-low.gif
VIN = 12 V RLOAD = 0.3 Ω
Figure 8-16 EN Start-Up
GUID-C11745C9-2248-40D2-9963-D14BD980B0A0-low.gif
VIN = 12 V RLOAD = 0.3 Ω
Figure 8-18 EN Shutdown
GUID-FD370D68-2C6F-4D59-B047-66067340EC68-low.gif
RLOAD = 0.3 Ω
Figure 8-20 VIN Shutdown
GUID-F750E5D1-7DB7-4534-8262-C38AFB0634F1-low.gif
VIN = 12 V 0.1 A to 3.1 A step 1 A /µsec
MODE = DCM
Figure 8-22 Load Transient – DCM
GUID-8226905E-9A01-42CD-8F59-5C524B59E84D-low.gif
VIN = 12 V ILOAD = 0.1 A MODE = FCCM
Figure 8-24 Output Voltage Ripple
GUID-5F2BFFC1-B4E4-4C86-86B3-A1F45FCCBB2F-low.gif
VIN = 12 V ILOAD = 6 A
Figure 8-26 Output Voltage Ripple
GUID-80CC2E13-8BD9-4D6F-B048-F330E702E7C1-low.gif
VIN = 12 V IOUT = 7.5-A Constant Current
Figure 8-28 Overcurrent Response
GUID-15E0A3ED-41B8-4ABE-8CAB-8B563CA51C33-low.gif
VIN = 12 V IOUT = Short
Figure 8-30 Short Circuit Response
GUID-20200921-CA0I-R4DH-6WC8-84SFCNQ7ZR7X-low.gif
VOUT = 1.8 V fSW = 1100 kHz MODE = DCM
VCC = Int 3.0 V
Figure 8-3 Efficiency – 1100 kHz, DCM
GUID-20200921-CA0I-3CS1-TNRR-9QSKS2SSLMJF-low.gif
VOUT = 1.8 V fSW = 1100 kHz MODE = FCCM
VCC = Ext 3.3 V RBOOT = 0 Ω
Figure 8-5 Efficiency – 1100 kHz, FCCM, External 3.3-V VCC, 0-Ω RBOOT
GUID-20200921-CA0I-Q5MK-VMFR-BH3QGMJZ9W5C-low.gif
VOUT = 1.8 V fSW = 1100 kHz MODE = DCM
VCC = Ext 3.3 V RBOOT = 0 Ω
Figure 8-7 Efficiency – 1100 kHz, DCM, External 3.3-V VCC, 0-Ω RBOOT
GUID-20200921-CA0I-N2WV-R2KX-DLLMC5SKRJLG-low.gif
VOUT = 1.8 V fSW = 600 kHz MODE = DCM
VCC = Int 3.0 V
Figure 8-9 Efficiency – 600 kHz, DCM
GUID-8059DCDC-7CCE-4304-95BD-45CB478BEBC4-low.gif
VOUT = 1.8 V fSW = 1100 kHz MODE = DCM
Figure 8-11 Output Voltage vs Output Current – DCM
VOUT = 1.8 V fSW = 1100 kHz MODE = FCCM
Figure 8-13 Switching Frequency vs Output Current – 1100 kHz
GUID-59B5A9A7-420D-4FAC-B69B-4682AB65C4A6-low.gif
VIN = 12 V RLOAD = 0.3 Ω
Figure 8-15 EN Start-Up
GUID-90074797-B993-4729-8169-1B278FA28CF2-low.gif
VIN = 12 V IOUT = 0 A MODE = DCM
Figure 8-17 EN Start-Up – DCM
GUID-7BF59BF4-E582-4DA6-9341-D914D87F4B1A-low.gif
RLOAD = 0.3 Ω
Figure 8-19 VIN Start-Up
GUID-4ACF85A2-DD5A-45C8-823D-DB4C55ECEDA8-low.gif
VIN = 12 V 0.1 A to 3.1 A step 1 A/µsec
MODE = FCCM
Figure 8-21 Load Transient – FCCM
GUID-B47669ED-7311-464A-8D19-192AFFDFCB1D-low.gif
VIN = 12 V IOUT = 6 A
Figure 8-23 Bode Plot
GUID-9CC37778-4A2E-4C7D-8B9D-280E2133FE76-low.gif
VIN = 12 V ILOAD = 0.1 A MODE = DCM
Figure 8-25 Output Voltage Ripple – DCM
GUID-95A6A4EB-22B7-467C-889A-AC699CC7B79F-low.gif
VIN = 12 V IOUT = 0 A Prebias = 1.0 V
Figure 8-27 EN Start-Up With Prebias
GUID-0ED45ADB-2BD3-403E-A7BD-CB998D34606C-low.gif
VIN = 12 V IOUT = 7.5-A Constant Current
Figure 8-29 Overcurrent Response