ZHCSN52D April   2010  – December 2023 TPS74701-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics: IOUT = 50 mA
    7. 5.7 Typical Characteristics: VEN = VIN = 1.8 V, VOUT = 1.5 V
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Transient Response
      2. 6.3.2 Dropout Voltage
      3. 6.3.3 Output Noise
      4. 6.3.4 Enable and Shutdown
      5. 6.3.5 Power Good
      6. 6.3.6 Internal Current Limit
      7. 6.3.7 Thermal Protection
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Dropout Operation
      3. 6.4.3 Disabled
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Input, Output, and Bias Capacitor Requirements
        2. 7.2.2.2 Programmable Soft-Start
        3. 7.2.2.3 Sequencing Requirements
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
        1. 7.4.1.1 Layout Recommendations and Power Dissipation
        2. 7.4.1.2 Estimating Junction Temperature
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
      2. 8.1.2 Device Nomenclature
    2. 8.2 接收文档更新通知
    3. 8.3 支持资源
    4. 8.4 Trademarks
    5. 8.5 静电放电警告
    6. 8.6 术语表
  10. 9 Revision History
  11. 10Mechanical, 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

5.6 Typical Characteristics: IOUT = 50 mA

at TJ = 25°C, VIN = VOUT(TYP) + 0.3 V, VBIAS = 5 V, IOUT = 50 mA, VEN = VIN, CIN = 1 μF, CBIAS = 4.7 μF, and COUT = 10 μF (unless otherwise noted)

GUID-3C4CCFFB-23CA-489D-8B24-DA2CCFCC384A-low.gif
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Figure 5-1 VIN Line Regulation
GUID-C7B00161-3E4C-41E9-9C43-45C1CA262D68-low.gif
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Figure 5-3 VBIAS Line Regulation
GUID-D5D6292D-DF3E-437D-8F59-5EC9035DBAE6-low.gif
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Figure 5-5 Load Regulation at Light Load
GUID-607BEA88-EE20-4B5C-AB37-0FA678D0C9BB-low.gif
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Figure 5-7 Load Regulation
GUID-4D2B801B-9EEF-4A87-BD36-D83BD595C40B-low.gif
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Figure 5-9 Dropout Voltage vs IOUT and Temperature (TJ)
GUID-5015071E-5C93-4257-8745-520B1E0D4C7F-low.gif
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Figure 5-11 VBIAS Dropout Voltage vs IOUT and Temperature (TJ)
GUID-47F36789-A6D2-4F98-8EA1-65AD655FDF61-low.gif
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Figure 5-13 VBIAS PSRR vs Frequency
GUID-D7BB86A2-65DD-4444-8BEB-18C834FFB9AF-low.gif
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Figure 5-15 VIN PSRR vs Frequency
GUID-1E07D0B6-F0F4-4C65-9F77-4E18511DE5DC-low.gif
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Figure 5-17 Noise Spectral Density
GUID-D574ECFC-6DD8-4054-8728-2EDAE8CEEC16-low.gif
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Figure 5-19 BIAS Pin Current vs IOUT and Temperature (TJ)
GUID-97874AB1-5168-4612-BCF4-E246DC8EFD40-low.gif
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Figure 5-21 BIAS Pin Current vs VBIAS and Temperature (TJ)
GUID-EFE736EF-D2B5-4EC4-BB75-B8CF5A02EE8B-low.gif
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Figure 5-23 Soft-Start Charging Current (ISS) vs Temperature (TJ)
GUID-309E5D88-156D-4E49-A004-F67E58E4670D-low.gif
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Figure 5-25 Low-Level PG Voltage vs Current
GUID-567A9F94-384B-4F53-A68E-D8E1C238F669-low.gif
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Figure 5-27 Current Limit vs (VBIAS – VOUT)
GUID-CCF38E4C-F3B4-47DA-9DF4-9F8BAD09CA7D-low.gif
 
Figure 5-29 Dropout Voltage vs (VBIAS – VOUT) and Temperature (TJ)
GUID-20230208-SS0I-ZMJR-SRK6-XRHX54TZXTLL-low.png
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Figure 5-2 VIN Line Regulation
GUID-20230208-SS0I-SDZS-FJH8-KBXWDRWFD8ZC-low.png
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Figure 5-4 VBIAS Line Regulation
GUID-20230208-SS0I-HMMK-LMZX-MDGH2PVQ7NHH-low.png
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Figure 5-6 Load Regulation at Light Load
GUID-20230802-SS0I-QV6T-FDX6-X2CZGHQBTT6N-low.svg
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Figure 5-8 Load Regulation
GUID-20230802-SS0I-JBPP-FTNV-MRXWCMP2LKTQ-low.svg
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Figure 5-10 VIN Dropout Voltage vs IOUT and Temperature (TJ)
GUID-20230802-SS0I-4FVL-KJ52-DTWDHLFHDVZW-low.svg
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Figure 5-12 VBIAS Dropout Voltage vs IOUT and Temperature (TJ)
GUID-20230802-SS0I-LW1G-S9JT-DRXMWFLTMSZL-low.svg
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Figure 5-14 VBIAS PSRR vs Frequency
GUID-20230802-SS0I-F1MV-18CL-C8PGVB3GT3WL-low.svg
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Figure 5-16 VIN PSRR vs Frequency
GUID-20230206-SS0I-06K1-ZV1G-LQN7F4RXS4HX-low.png
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Figure 5-18 Noise Spectral Density
GUID-20230802-SS0I-FN42-PK27-TDPTQHB13BPX-low.svg
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Figure 5-20 BIAS Pin Current vs Output Current and Temperature (TJ)
GUID-20230208-SS0I-MQNN-P23L-5L9FDKJ34PSQ-low.png
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Figure 5-22 BIAS Pin Current vs VBIAS and Temperature (TJ)
GUID-20230208-SS0I-JDLH-LN81-SF4BMBM21DDP-low.png
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Figure 5-24 Soft-Start Charging Current (ISS) vs Temperature (TJ)
GUID-20230208-SS0I-BSWW-967P-NRKQ7GFMFLFM-low.png
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Figure 5-26 Low-Level PG Voltage vs Current
GUID-20230208-SS0I-1FJT-CQSQ-K4C46MVCQNMG-low.png
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Figure 5-28 Current Limit vs (VBIAS – VOUT)
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