JAJSLL7B February   2023  – March 2024 TPS628301 , TPS628302 , TPS628303 , TPS628304

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Device Options
  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 Discrete
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Pulse Width Modulation (PWM) Operation
      2. 7.3.2 Power Save Mode (PSM) Operation
      3. 7.3.3 Start-Up and Soft Start
      4. 7.3.4 Switch Cycle-by-Cycle Current Limit
      5. 7.3.5 Short-Circuit Protection
      6. 7.3.6 Undervoltage Lockout
      7. 7.3.7 Thermal Shutdown
      8. 7.3.8 Optimized EMI Performance
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable, Disable, and Output Discharge
      2. 7.4.2 Minimum Duty Cycle and 100% Mode Operation
      3. 7.4.3 Power Good
  9. 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 Setting The Output Voltage
        3. 8.2.2.3 Inductor Selection
        4. 8.2.2.4 Output Capacitor Selection
        5. 8.2.2.5 Input Capacitor Selection
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
        1. 8.4.2.1 Thermal Considerations
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 サード・パーティ製品に関する免責事項
      2. 9.1.2 Development Support
        1. 9.1.2.1 Custom Design With WEBENCH® Tools
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 サポート・リソース
    4. 9.4 Trademarks
    5. 9.5 静電気放電に関する注意事項
    6. 9.6 用語集
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

8.2.3 Application Curves

TA = 25°C, VIN = 5 V, VOUT = 1.8 V, BOM = Table 8-2 unless otherwise noted.

GUID-20221130-SS0I-XGLJ-V2TJ-HFSTBXKKP6BB-low.svg
VOUT = 3.3 V PFM
Figure 8-3 Efficiency versus Output Current
GUID-20221130-SS0I-RCRP-FQPJ-XQXMMKKJPRKD-low.svg
VOUT = 2.5 V PFM
Figure 8-5 Efficiency versus Output Current
GUID-20221130-SS0I-43XF-8CWF-SKKCFFXCBQ0R-low.svg
VOUT = 1.8 V PFM
Figure 8-7 Efficiency versus Output Current
GUID-20221130-SS0I-7N0N-7FGT-KWZQCDBLSMS1-low.svg
VOUT = 1.2 V PFM
Figure 8-9 Efficiency versus Output Current
GUID-20221130-SS0I-DTZN-ZHT6-QRLLL0BMZMLZ-low.svg
VOUT = 0.9 V PFM
Figure 8-11 Efficiency versus Output Current
GUID-20221130-SS0I-4L98-CNGS-TPGNXLJNX07Z-low.svg
VOUT = 0.5 V PFM TA = 25 °C
Figure 8-13 Efficiency versus Output Current
GUID-20230914-SS0I-HDCG-RBX6-HXZTH4TPWBJ0-low.svg
VOUT = 0.5 V PFM
Figure 8-15 Output Voltage versus Output Current
GUID-20230914-SS0I-F01R-FC36-099GSJJLTQCH-low.svg
VOUT = 0.9 V PFM
Figure 8-17 Output Voltage versus Output Current
GUID-20230914-SS0I-JDRX-QKBP-5PG5WHRXMWV1-low.svg
VOUT = 1.2 V PFM
Figure 8-19 Output Voltage versus Output Current
GUID-20230914-SS0I-GB9H-HLLL-D1Q7F8ZWTZMB-low.svg
VOUT = 1.8 V PFM
Figure 8-21 Output Voltage versus Output Current
GUID-20230914-SS0I-TC3S-D2K1-4X5HVMGLPPTL-low.svg
VOUT = 2.5 V PFM
Figure 8-23 Output Voltage versus Output Current
GUID-20230914-SS0I-17J8-WW2L-DKNW4HSM8KW9-low.svg
VOUT = 3.3 V PFM
Figure 8-25 Output Voltage versus Output Current
GUID-20231011-SS0I-VCSG-HVPG-RTZPHF1TW77H-low.svg
VIN = 3.3 V PFM
Figure 8-27 Switching Frequency versus Output Current
GUID-20231011-SS0I-JGWP-PBX3-XS6N288NJ676-low.svg
IOUT = 1 A
Figure 8-29 Switching Frequency versus Input Voltage
GUID-20221220-SS0I-D3TQ-ZW8N-NKFGFZ73LNPD-low.jpg
IOUT = 2.0 A PFM or PWM
Figure 8-31 Output Voltage Ripple
GUID-20221220-SS0I-2Z8S-3JQ5-GBLZCLMHWQJS-low.jpg
IOUT = 1 A to 3 A PWM Slew rate = 1 A/μs
Figure 8-33 Load Transient
GUID-20221220-SS0I-3FLX-ZTDP-5WLWNLSZHNFD-low.jpg
VIN = 3.3 V PWM IOUT = 1 A to 3 A
VOUT = 0.9 V Transient BoM Slew rate = 1 A/μs
Figure 8-35 Load Transient
GUID-20221220-SS0I-3NNJ-RMKJ-PSDLSMK6ZFFP-low.jpg
VIN = 4.5 V to 5.5 V PWM IOUT = 2.0 A
Figure 8-37 Line Transient
GUID-20221220-SS0I-LVQH-SB79-SK9BGLHS4SGL-low.jpg
VIN = 3.0 V to 3.6 V PWM IOUT = 2.0 A
Figure 8-39 Line Transient
GUID-20221220-SS0I-HMJ0-3H4B-0QZCLKW3LPDQ-low.jpg
IOUT = 0 mA PFM or PWM TA = 25 °C
'A' and 'B' versions
Figure 8-41 Start-Up With No Load
GUID-20221220-SS0I-KPCH-SMCF-2F99ZJBBHTPT-low.jpg
PFM or PWM TA = 25 °C
Figure 8-43 HICCUP Short-Circuit Protection
GUID-20221220-SS0I-FW4H-KRLV-TV9HDSNF4T09-low.jpg
PFM or PWM TA = 25 °C
Figure 8-45 HICCUP Short-Circuit Protection (Zoom In - Second Hiccup)
GUID-20221220-SS0I-KHBM-F891-SMLCR71PHD7Z-low.jpg
PFM or PWM TPS628303BDRL TA = 25 °C
Figure 8-47 Latch-off Short-Circuit Protection (Zoom In)
GUID-20221130-SS0I-3FCL-3B8M-6Q9XJPXQ3C5V-low.svg
VOUT = 3.3 V PWM
Figure 8-4 Efficiency versus Output Current
GUID-20221130-SS0I-BSD4-JNC1-2NNB313PRGHK-low.svg
VOUT = 2.5 V PWM
Figure 8-6 Efficiency versus Output Current
GUID-20221130-SS0I-H28K-G3MP-BZKDNZ271CWF-low.svg
VOUT = 1.8 V PWM
Figure 8-8 Efficiency versus Output Current
GUID-20221130-SS0I-LRLQ-TB1B-Z046WNQPQML5-low.svg
VOUT = 1.2 V PWM
Figure 8-10 Efficiency versus Output Current
GUID-20221130-SS0I-6GLB-1S3N-CQGPMVCKFVZ9-low.svg
VOUT = 0.9 V PWM
Figure 8-12 Efficiency versus Output Current
GUID-20221130-SS0I-GXWH-P0M1-2ZJN7XCDLX0F-low.svg
VOUT = 0.5 V PWM TA = 25 °C
Figure 8-14 Efficiency versus Output Current
GUID-20230914-SS0I-5CH1-12PR-FBLDBMRCMPCR-low.svg
VOUT = 0.5 V PWM
Figure 8-16 Output Voltage versus Output Current
GUID-20230914-SS0I-GXVG-H93G-1JWFGNMKJBRW-low.svg
VOUT = 0.9 V PWM
Figure 8-18 Output Voltage versus Output Current
GUID-20230914-SS0I-7KZ7-GZLC-FKMQ8FSZGB2J-low.svg
VOUT = 1.2 V PWM
Figure 8-20 Output Voltage versus Output Current
GUID-20230914-SS0I-86JQ-Z3MJ-GWDSC5HKLKZJ-low.svg
VOUT = 1.8 V PWM
Figure 8-22 Output Voltage versus Output Current
GUID-20230914-SS0I-1FQT-7JCB-KD1WZDCRNVDS-low.svg
VOUT = 2.5 V PWM
Figure 8-24 Output Voltage versus Output Current
GUID-20230914-SS0I-3PV5-ZPC4-8MZMGDLBRXPB-low.svg
VOUT = 3.3 V PWM
Figure 8-26 Output Voltage versus Output Current
GUID-20231011-SS0I-G5T5-5BVF-LTRBKVRNQP3B-low.svg
VIN = 3.3 V PWM
Figure 8-28 Switching Frequency versus Output Current
GUID-20221220-SS0I-TKQK-BSNQ-VVGHB1FV1QMJ-low.jpg
IOUT= 100 mA PFM
Figure 8-30 Output Voltage Ripple
GUID-20221220-SS0I-Z8NC-7XBN-SSJSMGSCZWRD-low.jpg
IOUT = 1 mA to 2 A PFM Slew rate = 1 A/μs
Figure 8-32 Load Transient
GUID-20221220-SS0I-D4WT-NCKK-CR7V5RVQLM4W-low.jpg
VIN = 3.3 V PFM IOUT = 1 mA to 2A
VOUT = 0.9 V Transient BoM Slew rate = 1 A/μs
Figure 8-34 Load Transient
GUID-20221220-SS0I-C1P6-DBWK-RQKRGNWVSK2H-low.jpg
VIN = 4.5 V to 5.5 V PFM IOUT = 100 mA
Figure 8-36 Line Transient
GUID-20221220-SS0I-GFK2-BLR2-DXBTCR7ZRJVJ-low.jpg
VIN = 3.0 V to 3.6 V PFM IOUT = 100 mA
Figure 8-38 Line Transient
GUID-20221220-SS0I-VH3F-RTFL-VHQW0WXVQVF4-low.jpg
IOUT = 2.0 A PFM or PWM TA = 25 °C
'A' and 'B' versions
Figure 8-40 Start-Up With Load
GUID-20221220-SS0I-LTCD-VXKK-TSK2GQ1ZZ5NP-low.jpg
IOUT = 0 mA PFM TA = 25 °C
Figure 8-42 Disable, Active Output Discharge at No Load
GUID-20221220-SS0I-FJR2-MGCX-HB2CNXXHTZJL-low.jpg
PFM or PWM TA = 25 °C
Figure 8-44 HICCUP Short-Circuit Protection (Zoom In)
GUID-20221220-SS0I-N7SD-QV7R-PFQBKKC47CVN-low.jpg
PFM or PWM TPS628303BDRL TA = 25 °C
Figure 8-46 Latch-off Short-Circuit Protection
GUID-20221220-SS0I-HKCV-C4NL-2FM3LCLHJPQ3-low.jpg
PFM or PWM TPS628303BDRLR TA = 25 °C
Figure 8-48 Latch-off Overvoltage Protection