ZHCSLS6B August   2020  – June 2022 TPS628510 , TPS628511 , TPS628512 , TPS628513

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  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 第三方产品免责声明
    2. 13.2 接收文档更新通知
    3. 13.3 支持资源
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 术语表
  14. 14Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

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