SLUSDO4B August   2020  – June 2022 TPS628510 , TPS628511 , TPS628512 , TPS628513

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Parameter Measurement Information
    1. 8.1 Schematic
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Precise Enable (EN)
      2. 9.3.2 MODE / SYNC
      3. 9.3.3 Spread Spectrum Clocking (SSC)
      4. 9.3.4 Undervoltage Lockout (UVLO)
      5. 9.3.5 Power Good Output (PG)
      6. 9.3.6 Thermal Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Pulse Width Modulation (PWM) Operation
      2. 9.4.2 Power Save Mode Operation (PWM/PFM)
      3. 9.4.3 100% Duty-Cycle Operation
      4. 9.4.4 Current Limit and Short Circuit Protection
      5. 9.4.5 Foldback Current Limit and Short Circuit Protection
      6. 9.4.6 Output Discharge
      7. 9.4.7 Soft Start / Tracking (SS/TR)
      8. 9.4.8 Input Overvoltage Protection
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Programming the Output Voltage
      2. 10.1.2 Inductor Selection
      3. 10.1.3 Capacitor Selection
        1. 10.1.3.1 Input Capacitor
        2. 10.1.3.2 Output Capacitor
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curves
    3. 10.3 System Examples
      1. 10.3.1 Voltage Tracking
      2. 10.3.2 Synchronizing to an External Clock
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Third-Party Products Disclaimer
    2. 13.2 Receiving Notification of Documentation Updates
    3. 13.3 Support Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

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

10.2.3 Application Curves

All plots have been taken with a nominal switching frequency of 2.25 MHz when set to PWM mode, unless otherwise noted. The BOM is according to Figure 8-1.

GUID-20210228-CA0I-5DKZ-SJDB-W3XLS0ZCNW7N-low.gif
VOUT = 3.3 V PFM TA = 25°C
Figure 10-2 Efficiency Versus Output Current
GUID-20210228-CA0I-QCWG-6V5F-GCRN03DRLV79-low.gif
VOUT = 1.8 V PFM TA = 25°C
Figure 10-4 Efficiency Versus Output Current
GUID-20210228-CA0I-XTWC-1S30-QJWFTX1JNS7N-low.gif
VOUT = 1.1 V PFM TA = 25°C
Figure 10-6 Efficiency Versus Output Current
GUID-20210228-CA0I-NLCX-06L2-MNKGP5XPZPWB-low.gif
VOUT = 0.6 V PFM TA = 25°C
Figure 10-8 Efficiency Versus Output Current
GUID-20210228-CA0I-MNLT-MNVD-9J1XNNZK317C-low.gif
VOUT = 3.3 V PFM TA = 25°C
Figure 10-10 Output Voltage Versus Output Current
GUID-20210228-CA0I-ZBJ4-HTFX-ZBCNQWHV23QJ-low.gif
VOUT = 1.8 V PFM TA = 25°C
Figure 10-12 Output Voltage Versus Output Current
GUID-20210228-CA0I-L3HP-CPR4-BVVKWDNWLVHT-low.gif
VOUT = 1.1 V PFM TA = 25°C
Figure 10-14 Output Voltage Versus Output Current
GUID-20210228-CA0I-XZN3-0PK1-X2M1KQKPXNPS-low.gif
VOUT = 0.6 V PFM TA = 25°C
Figure 10-16 Output Voltage Versus Output Current
GUID-20210917-SS0I-2M4H-VNFG-WBMH2HD56HKC-low.gif
VOUT = 0.6 V PWM θJA = 60°C/W
Figure 10-18 Output Current Versus Ambient Temperature
GUID-20210917-SS0I-31CD-8T7L-0NL5MRMKR6CQ-low.gif
VOUT = 1.8 V PWM θJA = 60°C/W
Figure 10-20 Output Current Versus Ambient Temperature
GUID-EB440190-43DA-4B3F-ACD4-36E21C8B39F6-low.gif
VOUT = 3.3 VPFMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 10-22 Load Transient Response
GUID-68720820-B885-4655-90A2-B05CB19B0AB7-low.gif
VOUT = 1.8 VPFMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 10-24 Load Transient Response
GUID-DC952F56-E3B2-40DA-8AAB-05C75315EB23-low.gif
VOUT = 1.2 VPFMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 10-26 Load Transient Response
GUID-BD6E8466-F3A8-4708-8852-91FAA947B03F-low.gif
VOUT = 1.0 VPFMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 10-28 Load Transient Response
GUID-F1A2C12A-DF1A-4F59-B426-1FD370A496CB-low.gif
VOUT = 0.6 VPFMTA = 25°C
VIN = 3.3 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 10-30 Load Transient Response
GUID-B2B181EC-25B5-4546-AEA4-044FA20163E0-low.gif
VOUT = 3.3 VPFMTA = 25°C
IOUT = 0.2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 10-32 Line Transient Response
GUID-78C6F80A-8C43-4EB8-A485-5D1F55B4B111-low.gif
VOUT = 1.8 VPFMTA = 25°C
IOUT = 0.2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 10-34 Line Transient Response
GUID-88CEDE4E-588F-4FEE-A83F-2D89BD920EE8-low.gif
VOUT = 1.2 VPFMTA = 25°C
IOUT = 0.2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 10-36 Line Transient Response
GUID-1E0237CE-79D6-4721-B405-A619A02D13DE-low.gif
VOUT = 1.0 VPFMTA = 25°C
IOUT = 0.2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 10-38 Line Transient Response
GUID-7737F1AB-91C4-42AE-8F69-C9D868657B36-low.gif
VOUT = 0.6 VPFMTA = 25°C
IOUT = 0.2 AVIN = 3.0 V to 3.6 V to 3.0 V
Figure 10-40 Line Transient Response
GUID-EAC18C29-C558-4123-A36E-CF0F0EC4C23C-low.gif
VOUT = 3.3 VPFMTA = 25°C
VIN = 5 VIOUT = 0.2 A
Figure 10-42 Output Voltage Ripple
GUID-BEAE40F2-4BDB-4E7B-8191-96F230980DC2-low.gif
VOUT = 1.8 VPFMTA = 25°C
VIN = 5 VIOUT = 0.2 A
Figure 10-44 Output Voltage Ripple
GUID-61AA9C25-AA87-42AB-94E5-3AB72CBC9746-low.gif
VOUT = 1.2 VPFMTA = 25°C
VIN = 5 VIOUT = 0.2 A
Figure 10-46 Output Voltage Ripple
GUID-CFC348C7-5EFB-417C-9C71-5A43018EDBCE-low.gif
VOUT = 1.0 VPFMTA = 25°C
VIN = 5 VIOUT = 0.2 A
Figure 10-48 Output Voltage Ripple
GUID-DA79E1F4-B634-4959-A4BC-B2D281555486-low.gif
VOUT = 0.6 VPFMTA = 25°C
VIN = 3.3 VIOUT = 0.2 A
Figure 10-50 Output Voltage Ripple
GUID-42578349-BE4F-4F7E-9644-ACABC49AA2E2-low.gif
VOUT = 3.3 VPWM or PFMTA = 25°C
VIN = 5 VCSS = 4.7 nFIOUT = 2 A
Figure 10-52 Start-Up Timing
GUID-55286555-CE0A-47E3-B1E3-598652704E9F-low.gif
VOUT = 1.2 VPWM or PFMTA = 25°C
VIN = 5 VCSS = 4.7 nFIOUT = 2 A
Figure 10-54 Start-Up Timing
GUID-DB2422F5-6CCD-41C6-A540-5FED1B9A700E-low.gif
VOUT = 0.6 VPWM or PFMTA = 25°C
VIN = 3.3 VCSS = 4.7 nFIOUT = 2 A
Figure 10-56 Start-Up Timing
GUID-20210228-CA0I-C1XK-QHCZ-WH8H78MJXXPH-low.gif
VOUT = 3.3 V PWM TA = 25°C
Figure 10-3 Efficiency Versus Output Current
GUID-20210228-CA0I-1XZW-JCWN-9L6G8VQRBXRG-low.gif
VOUT = 1.8 V PWM TA = 25°C
Figure 10-5 Efficiency Versus Output Current
GUID-20210228-CA0I-RG0K-VJCD-BBQKBXZBVHLF-low.gif
VOUT = 1.1 V PWM TA = 25°C
Figure 10-7 Efficiency Versus Output Current
GUID-20210228-CA0I-8J30-R6XD-GNSD84JQ16P3-low.gif
VOUT = 0.6 V PWM TA = 25°C
Figure 10-9 Efficiency Versus Output Current
GUID-20210228-CA0I-4JWF-FBFM-CLVPDKXNGPTN-low.gif
VOUT = 3.3 V PWM TA = 25°C
Figure 10-11 Output Voltage Versus Output Current
GUID-20210228-CA0I-XSVV-M0WZ-K0ZFCJR733GB-low.gif
VOUT = 1.8 V PWM TA = 25°C
Figure 10-13 Output Voltage Versus Output Current
GUID-20210228-CA0I-T1LQ-VFT2-W0RWZRZLRRQ2-low.gif
VOUT = 1.1 V PWM TA = 25°C
Figure 10-15 Output Voltage Versus Output Current
GUID-20210228-CA0I-2TBB-1PBN-HGP6C6WWZLPF-low.gif
VOUT = 0.6 V PWM TA = 25°C
Figure 10-17 Output Voltage Versus Output Current
GUID-20210917-SS0I-62T9-WN1J-FPNCMBN65LQK-low.gif
VOUT = 1.1 V PWM θJA = 60°C/W
Figure 10-19 Output Current Versus Ambient Temperature
GUID-20210917-SS0I-W40J-FFQJ-23XT7XDFKHQ9-low.gif
VOUT = 3.3 V PWM θJA = 60°C/W
Figure 10-21 Output Current Versus Ambient Temperature
GUID-E310EBEC-3FBB-4ED3-B15B-6486333F2406-low.gif
VOUT = 3.3 VPWMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 10-23 Load Transient Response
GUID-8608F7A8-2B5B-4ED7-9457-A72FD6E627FA-low.gif
VOUT = 1.8 VPWMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 10-25 Load Transient Response
GUID-5411A96E-F9A6-446B-83A7-2804CE62ECB6-low.gif
VOUT = 1.2 VPWMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 10-27 Load Transient Response
GUID-844663DD-C5A3-437D-B40B-1AB1575F4F18-low.gif
VOUT = 1.0 VPWMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 10-29 Load Transient Response
GUID-6E08F5C0-D7BA-4E7E-87D7-77AB23600070-low.gif
VOUT = 0.6 VPWMTA = 25°C
VIN = 3.3 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 10-31 Load Transient Response
GUID-AF555F38-D782-439D-9BFE-FBA79BD0E902-low.gif
VOUT = 3.3 VPWMTA = 25°C
IOUT = 2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 10-33 Line Transient Response
GUID-CC5B4FEC-DC55-429E-9E69-3F9CE6950F35-low.gif
VOUT = 1.8 VPWMTA = 25°C
IOUT = 2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 10-35 Line Transient Response
GUID-17FDFBD8-C587-40A5-91EC-F2F79FF59ADD-low.gif
VOUT = 1.2 VPWMTA = 25°C
IOUT = 2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 10-37 Line Transient Response
GUID-46E863FD-8B94-4141-9B8F-E1B17A32D34D-low.gif
VOUT = 1.0 VPWMTA = 25°C
IOUT = 2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 10-39 Line Transient Response
GUID-4D59D13A-6D16-40A7-B974-63DDABD88F72-low.gif
VOUT = 0.6 VPWMTA = 25°C
IOUT = 2 AVIN = 3.0 V to 3.6 V to 3.0 V
Figure 10-41 Line Transient Response
GUID-48938B34-1938-4BEE-B96D-2978521EC1F7-low.gif
VOUT = 3.3 VPWMTA = 25°C
VIN = 5 VIOUT = 2 A
Figure 10-43 Output Voltage Ripple
GUID-6BA3F8E9-48B5-47ED-884C-F427E10B5B0B-low.gif
VOUT = 1.8 VPWMTA = 25°C
VIN = 5 VIOUT = 2 A
Figure 10-45 Output Voltage Ripple
GUID-93715AB1-62F2-43FE-B989-F518D460071D-low.gif
VOUT = 1.2 VPWMTA = 25°C
VIN = 5 VIOUT = 2 A
Figure 10-47 Output Voltage Ripple
GUID-B8F822BD-4688-48D4-A5DB-CDE1EA64D9B7-low.gif
VOUT = 1.0 VPWMTA = 25°C
VIN = 5 VIOUT = 2 A
Figure 10-49 Output Voltage Ripple
GUID-AC409809-1B3A-4288-820D-BD67EE68B6C8-low.gif
VOUT = 0.6 VPWMTA = 25°C
VIN = 3.3 VIOUT = 2 A
Figure 10-51 Output Voltage Ripple
GUID-EEAA7D6B-C1ED-4E29-A984-0FD9A3DC54AB-low.gif
VOUT = 1.8 VPWM or PFMTA = 25°C
VIN = 5 VCSS = 4.7 nFIOUT = 2 A
Figure 10-53 Start-Up Timing
GUID-2A7DD3F6-CB3C-4905-8B46-21360104009F-low.gif
VOUT = 1.0 VPWM or PFMTA = 25°C
VIN = 5 VCSS = 4.7 nFIOUT = 2 A
Figure 10-55 Start-Up Timing