ZHCSLX5B March   2021  – April 2024 TPS628501 , TPS628502 , TPS628503

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Device Comparison Table
  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 Typical Characteristics
  8. 7 Parameter Measurement Information
    1. 7.1 Schematic
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Precise Enable (EN)
      2. 8.3.2 COMP/FSET
      3. 8.3.3 MODE / SYNC
      4. 8.3.4 Spread Spectrum Clocking (SSC)
      5. 8.3.5 Undervoltage Lockout (UVLO)
      6. 8.3.6 Power Good Output (PG)
      7. 8.3.7 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Pulse Width Modulation (PWM) Operation
      2. 8.4.2 Power Save Mode Operation (PWM/PFM)
      3. 8.4.3 100% Duty-Cycle Operation
      4. 8.4.4 Current Limit and Short Circuit Protection
      5. 8.4.5 Foldback Current Limit and Short Circuit Protection
      6. 8.4.6 Output Discharge
      7. 8.4.7 Soft Start
      8. 8.4.8 Input Overvoltage Protection
  10. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Programming the Output Voltage
      2. 9.1.2 Inductor Selection
      3. 9.1.3 Capacitor Selection
        1. 9.1.3.1 Input Capacitor
        2. 9.1.3.2 Output Capacitor
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
      1. 9.3.1 Synchronizing to an External Clock
    4. 9.4 Power Supply Recommendations
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
      2. 9.5.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  12. 11Revision History
  13. 12Mechanical, 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

9.2.3 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 Table 7-1.

GUID-20210228-CA0I-5DKZ-SJDB-W3XLS0ZCNW7N-low.gif
VOUT = 3.3 V PFM TA = 25°C
Figure 9-2 Efficiency Versus Output Current
GUID-20210228-CA0I-QCWG-6V5F-GCRN03DRLV79-low.gif
VOUT = 1.8 V PFM TA = 25°C
Figure 9-4 Efficiency Versus Output Current
GUID-20210228-CA0I-XTWC-1S30-QJWFTX1JNS7N-low.gif
VOUT = 1.1 V PFM TA = 25°C
Figure 9-6 Efficiency Versus Output Current
GUID-20210228-CA0I-NLCX-06L2-MNKGP5XPZPWB-low.gif
VOUT = 0.6 V PFM TA = 25°C
Figure 9-8 Efficiency Versus Output Current
GUID-20210228-CA0I-MNLT-MNVD-9J1XNNZK317C-low.gif
VOUT = 3.3 V PFM TA = 25°C
Figure 9-10 Output Voltage Versus Output Current
GUID-20210228-CA0I-ZBJ4-HTFX-ZBCNQWHV23QJ-low.gif
VOUT = 1.8 V PFM TA = 25°C
Figure 9-12 Output Voltage Versus Output Current
GUID-20210228-CA0I-L3HP-CPR4-BVVKWDNWLVHT-low.gif
VOUT = 1.1 V PFM TA = 25°C
Figure 9-14 Output Voltage Versus Output Current
GUID-20210228-CA0I-XZN3-0PK1-X2M1KQKPXNPS-low.gif
VOUT = 0.6 V PFM TA = 25°C
Figure 9-16 Output Voltage Versus Output Current
GUID-20210917-SS0I-2M4H-VNFG-WBMH2HD56HKC-low.gif
VOUT = 0.6 V PWM θJA = 60°C/W
Figure 9-18 Output Current Versus Ambient Temperature
GUID-20210917-SS0I-31CD-8T7L-0NL5MRMKR6CQ-low.gif
VOUT = 1.8 V PWM θJA = 60°C/W
Figure 9-20 Output Current Versus Ambient Temperature
GUID-D78B6568-4BC6-4F37-B4AD-472A176F9B2D-low.gif
VOUT = 3.3 VPFMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 9-22 Load Transient Response
GUID-CD98ECD1-20D6-44F4-886A-53E989C6BF1E-low.gif
VOUT = 1.8 VPFMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 9-24 Load Transient Response
GUID-BDCB0AC0-CFA7-46EB-BD52-BBA7D0EB1260-low.gif
VOUT = 1.2 VPFMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 9-26 Load Transient Response
GUID-44DA4D50-97B9-4E26-83F2-6CAD9AEC7462-low.gif
VOUT = 1.0 VPFMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 9-28 Load Transient Response
GUID-F083D4E7-3F8A-4942-B81E-2BDDDC30D9DD-low.gif
VOUT = 0.6 VPFMTA = 25°C
VIN = 3.3 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 9-30 Load Transient Response
GUID-47A2DB2F-AA05-4708-9570-2DCABF01DD5C-low.gif
VOUT = 3.3 VPFMTA = 25°C
IOUT = 0.2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 9-32 Line Transient Response
GUID-0C145CED-0B3F-41AC-93F9-09ADE6A8DDAF-low.gif
VOUT = 1.8 VPFMTA = 25°C
IOUT = 0.2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 9-34 Line Transient Response
GUID-224E12AF-9297-40EF-A552-5C214BEA5EA4-low.gif
VOUT = 1.2 VPFMTA = 25°C
IOUT = 0.2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 9-36 Line Transient Response
GUID-FF1FEF3F-28C9-4252-9CA1-EE0380F8B236-low.gif
VOUT = 1.0 VPFMTA = 25°C
IOUT = 0.2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 9-38 Line Transient Response
GUID-C34EDB93-D815-40F6-A7B7-39CAA1D1DD06-low.gif
VOUT = 0.6 VPFMTA = 25°C
IOUT = 0.2 AVIN = 3.0 V to 3.6 V to 3.0 V
Figure 9-40 Line Transient Response
GUID-C29AC3B6-EC6B-407C-8D3B-DDA6AD3CA9AB-low.gif
VOUT = 3.3 VPFMTA = 25°C
VIN = 5 VIOUT = 0.2 A
Figure 9-42 Output Voltage Ripple
GUID-D6C5348C-9B19-4F26-B80C-351D4C5122DA-low.gif
VOUT = 1.8 VPFMTA = 25°C
VIN = 5 VIOUT = 0.2 A
Figure 9-44 Output Voltage Ripple
GUID-2085433D-71D0-4928-91FF-62098D5BE29E-low.gif
VOUT = 1.2 VPFMTA = 25°C
VIN = 5 VIOUT = 0.2 A
Figure 9-46 Output Voltage Ripple
GUID-524C3700-71B5-4F36-B004-E3A3A5669E43-low.gif
VOUT = 1.0 VPFMTA = 25°C
VIN = 5 VIOUT = 0.2 A
Figure 9-48 Output Voltage Ripple
GUID-EA84D39A-5CC9-4D21-8253-AFD479E117FB-low.gif
VOUT = 0.6 VPFMTA = 25°C
VIN = 3.3 VIOUT = 0.2 A
Figure 9-50 Output Voltage Ripple
GUID-8BA512E5-4868-40A8-BD67-EF3C847AC241-low.gif
VOUT = 3.3 VPWM or PFMTA = 25°C
VIN = 5 VIOUT = 2 A
Figure 9-52 Start-Up Timing
GUID-3ED7E521-4D07-460A-A877-399994369AF3-low.gif
VOUT = 1.2 VPWM or PFMTA = 25°C
VIN = 5 VIOUT = 2 A
Figure 9-54 Start-Up Timing
GUID-9DD4499D-00C6-44C6-8D86-9A725A99622B-low.gif
VOUT = 0.6 VPWM or PFMTA = 25°C
VIN = 3.3 VIOUT = 2 A
Figure 9-56 Start-Up Timing
GUID-20210228-CA0I-C1XK-QHCZ-WH8H78MJXXPH-low.gif
VOUT = 3.3 V PWM TA = 25°C
Figure 9-3 Efficiency Versus Output Current
GUID-20210228-CA0I-1XZW-JCWN-9L6G8VQRBXRG-low.gif
VOUT = 1.8 V PWM TA = 25°C
Figure 9-5 Efficiency Versus Output Current
GUID-20210228-CA0I-RG0K-VJCD-BBQKBXZBVHLF-low.gif
VOUT = 1.1 V PWM TA = 25°C
Figure 9-7 Efficiency Versus Output Current
GUID-20210228-CA0I-8J30-R6XD-GNSD84JQ16P3-low.gif
VOUT = 0.6 V PWM TA = 25°C
Figure 9-9 Efficiency Versus Output Current
GUID-20210228-CA0I-4JWF-FBFM-CLVPDKXNGPTN-low.gif
VOUT = 3.3 V PWM TA = 25°C
Figure 9-11 Output Voltage Versus Output Current
GUID-20210228-CA0I-XSVV-M0WZ-K0ZFCJR733GB-low.gif
VOUT = 1.8 V PWM TA = 25°C
Figure 9-13 Output Voltage Versus Output Current
GUID-20210228-CA0I-T1LQ-VFT2-W0RWZRZLRRQ2-low.gif
VOUT = 1.1 V PWM TA = 25°C
Figure 9-15 Output Voltage Versus Output Current
GUID-20210228-CA0I-2TBB-1PBN-HGP6C6WWZLPF-low.gif
VOUT = 0.6 V PWM TA = 25°C
Figure 9-17 Output Voltage Versus Output Current
GUID-20210917-SS0I-62T9-WN1J-FPNCMBN65LQK-low.gif
VOUT = 1.1 V PWM θJA = 60°C/W
Figure 9-19 Output Current Versus Ambient Temperature
GUID-20210917-SS0I-W40J-FFQJ-23XT7XDFKHQ9-low.gif
VOUT = 3.3 V PWM θJA = 60°C/W
Figure 9-21 Output Current Versus Ambient Temperature
GUID-490F4268-11B3-4445-8756-AB2B72923CC4-low.gif
VOUT = 3.3 VPWMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 9-23 Load Transient Response
GUID-6F7FEF5A-F458-4C94-AF4D-3398C2258D65-low.gif
VOUT = 1.8 VPWMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 9-25 Load Transient Response
GUID-587AE1D7-8978-4B51-A7E7-270C5A8A2A96-low.gif
VOUT = 1.2 VPWMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 9-27 Load Transient Response
GUID-1BBFE0CE-94C0-4EB7-AD23-05339021FD80-low.gif
VOUT = 1.0 VPWMTA = 25°C
VIN = 5.0 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 9-29 Load Transient Response
GUID-E11B69C7-7624-4B8B-AF44-0A7B592A29C0-low.gif
VOUT = 0.6 VPWMTA = 25°C
VIN = 3.3 VIOUT = 0.2 A to 1.8 A to 0.2 A
Figure 9-31 Load Transient Response
GUID-315694C0-9001-4187-9445-FBA891987E35-low.gif
VOUT = 3.3 VPWMTA = 25°C
IOUT = 2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 9-33 Line Transient Response
GUID-62B87C21-7980-48FB-B51E-FD606F6FEF4B-low.gif
VOUT = 1.8 VPWMTA = 25°C
IOUT = 2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 9-35 Line Transient Response
GUID-32685909-03DE-4EB9-9159-32C9525966F4-low.gif
VOUT = 1.2 VPWMTA = 25°C
IOUT = 2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 9-37 Line Transient Response
GUID-56D7C721-2DE1-45AA-8D64-A97730BFF3E6-low.gif
VOUT = 1.0 VPWMTA = 25°C
IOUT = 2 AVIN = 4.5 V to 5.5 V to 4.5 V
Figure 9-39 Line Transient Response
GUID-44DBD172-16B0-42AC-AA4E-4B4797DC6505-low.gif
VOUT = 0.6 VPWMTA = 25°C
IOUT = 2 AVIN = 3.0 V to 3.6 V to 3.0 V
Figure 9-41 Line Transient Response
GUID-DC298588-3838-4048-A16D-151C8D25C6C7-low.gif
VOUT = 3.3 VPWMTA = 25°C
VIN = 5 VIOUT = 2 A
Figure 9-43 Output Voltage Ripple
GUID-1B79E657-F522-462E-96BE-CA3248E33F55-low.gif
VOUT = 1.8 VPWMTA = 25°C
VIN = 5 VIOUT = 2 A
Figure 9-45 Output Voltage Ripple
GUID-DC0FA358-60D1-4563-86EF-A469CE2BC52D-low.gif
VOUT = 1.2 VPWMTA = 25°C
VIN = 5 VIOUT = 2 A
Figure 9-47 Output Voltage Ripple
GUID-121D8D55-514A-4326-BDD6-75F9C874026B-low.gif
VOUT = 1.0 VPWMTA = 25°C
VIN = 5 VIOUT = 2 A
Figure 9-49 Output Voltage Ripple
GUID-8069776E-60FB-4F75-B2C6-C0375ADBEBA1-low.gif
VOUT = 0.6 VPWMTA = 25°C
VIN = 3.3 VIOUT = 2 A
Figure 9-51 Output Voltage Ripple
GUID-7DEC69CC-A336-48CE-A027-972E0BD2CBBA-low.gif
VOUT = 1.8 VPWM or PFMTA = 25°C
VIN = 5 VIOUT = 2 A
Figure 9-53 Start-Up Timing
GUID-923768FA-4CED-4068-805A-4E4BB55E906D-low.gif
VOUT = 1.0 VPWM or PFMTA = 25°C
VIN = 5 VIOUT = 2 A
Figure 9-55 Start-Up Timing
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