ZHCSHO0C February   2018  – March 2023 LMZM23600

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison
  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 System Characteristics
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Control Scheme
      2. 8.3.2 Soft-Start Function
      3. 8.3.3 Enable and External UVLO Function
      4. 8.3.4 Current Limit
      5. 8.3.5 Hiccup Mode
      6. 8.3.6 Power Good (PGOOD) Function
      7. 8.3.7 MODE/SYNC Function
        1. 8.3.7.1 Forced PWM Mode
        2. 8.3.7.2 Auto PFM Mode
        3. 8.3.7.3 Dropout Mode
        4. 8.3.7.4 SYNC Operation
      8. 8.3.8 Thermal Protection
    4. 8.4 Device Functional Modes
      1. 8.4.1 Shutdown
      2. 8.4.2 FPWM Operation
      3. 8.4.3 Auto PFM Mode Operation
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Maximum Input Voltage for VOUT < 2.5 V
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Custom Design With WEBENCH® Tools
        2. 9.2.2.2 Input Capacitor Selection
        3. 9.2.2.3 Output Capacitor Selection
        4. 9.2.2.4 Feedback Voltage Divider for Adjustable Output Voltage Versions
        5. 9.2.2.5 RPU - PGOOD Pullup Resistor
        6. 9.2.2.6 VIN Divider and Enable
      3. 9.2.3 Application Curves
        1. 9.2.3.1 VOUT = 5 V
        2. 9.2.3.2 VOUT = 3.3 V
        3. 9.2.3.3 VOUT = 12 V
        4. 9.2.3.4 VOUT = 15 V
        5. 9.2.3.5 VOUT = 2.5 V
        6. 9.2.3.6 VOUT = 1.2 V and VOUT = 1.8 V
        7. 9.2.3.7 VOUT = 5 V and 3.3 V Fixed Output Options
    3. 9.3 Best Design Practices
    4. 9.4 Power Supply Recommendations
      1. 9.4.1 Supply Voltage Range
      2. 9.4.2 Supply Current Capability
      3. 9.4.3 Supply Input Connections
        1. 9.4.3.1 Voltage Drops
        2. 9.4.3.2 Stability
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
        1. 9.5.1.1 Thermal Design
      2. 9.5.2 Layout Examples
  10. 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. 10.1.2 Development Support
        1. 10.1.2.1 Custom Design With WEBENCH® Tools
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 接收文档更新通知
    4. 10.4 支持资源
    5. 10.5 Trademarks
    6. 10.6 静电放电警告
    7. 10.7 术语表
  11. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Tape and Reel 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

7.7 Typical Characteristics

VIN = 24 V, TA = 25°C (unless otherwise noted). Refer to default evaluation board layout and bill of materials.

GUID-4366A479-CAF1-48CD-B950-49A2B9E8A4A1-low.gifFigure 7-1 Maximum Input Voltage for VOUT < 2.5V
GUID-6E9441C7-ACAC-4924-9FD0-7C18931FE670-low.gif
VOUT = 3.3 V
Figure 7-3 Dropout Voltage
GUID-1DCB816F-62F1-4CC7-BEF7-037B9FD93A85-low.gif
VOUT = 12 V
Figure 7-5 Dropout Voltage
GUID-D62570CA-94C0-4813-8FB6-6CBCADC477E7-low.gif
VIN = 24 VOUT = 5 VIOUT = 0.5 A
Default EVM Layout and BOM
Figure 7-7 Radiated EMI
GUID-D9372DAE-691D-4D57-AC17-5737102EA392-low.gif
VOUT = 15 V
Figure 7-9 Power Dissipation
GUID-C7F7E8E0-F5B8-4FAE-88EF-F2EA9973BF85-low.gif
VOUT = 5 V
Figure 7-11 Power Dissipation
GUID-E96201CB-E5C9-43DF-9C1A-9B56A63DEDFA-low.gif
VOUT = 2.5 V
Figure 7-13 Power Dissipation
GUID-0C90BBD6-DA5A-4C5F-BBE6-E7C06FB03C4E-low.gif
VOUT = 1.2 V
Figure 7-15 Power Dissipation
GUID-D9200ACD-A9FE-400A-A7CF-EA0899ACA4C6-low.gif
VOUT = 1.8VRθ = 58°C/W
Figure 7-17 Ambient Temperature vs Output Current
GUID-38326D7D-CC70-4451-8C4E-726A41303880-low.gif
VOUT = 3.3 VRθ = 58°C/W
Figure 7-19 Ambient Temperature vs Output Current
GUID-26346ADE-C015-47EF-9112-FA051AF84999-low.gif
VOUT = 12 VRθ = 58°C/W
Figure 7-21 Ambient Temperature vs Output Current
GUID-A070B2EB-3212-464C-ACBA-B3588D014862-low.gif
VOUT = 2.5 V
Figure 7-23 Auto PFM Mode Switching Frequency vs Output Current
GUID-D6FB993F-04DF-41DD-85B4-683EDBBE76BE-low.gif
VOUT = 3.3 V Fixed Option
Figure 7-25 Auto PFM Mode Switching Frequency vs Output Current
GUID-D27C2941-6DAC-4955-9C98-449F6CAD8D19-low.gif
VOUT = 5 V Fixed Option
Figure 7-27 Auto PFM Mode Switching Frequency vs Output Current
GUID-03845FA5-E571-4F8F-BD02-D809CDDEAF84-low.gif
VOUT = 15 V
Figure 7-29 Auto PFM Mode Switching Frequency vs Output Current
GUID-2BA5117B-518A-43CF-A3B5-8675E7D38945-low.gif
Figure 7-31 Switching Frequency vs Input Voltage for Fixed Output Options at Full Load
GUID-4217EAA7-C0DD-4619-A708-6ACE51D39F4D-low.gif
Fixed output voltage optionsEN = VIN
Output voltage in regulationLoad = Open
Figure 7-2 Input Supply Current
GUID-602DA017-3FBA-4993-8E80-B85EFAAF22B5-low.gif
VOUT = 5 V
Figure 7-4 Dropout Voltage
GUID-CE07AB33-5BF5-4104-A5E8-6D0E547587C8-low.gif
VOUT = 15 V
Figure 7-6 Dropout Voltage
GUID-2EE746D4-5FCE-4B1E-9B6B-CEC6FBC4237D-low.gif
Figure 7-8 Package Thermal Resistance vs Board Copper Area, No Air Flow
GUID-D0B3E41D-ABA9-4636-BAAE-C08E4BDEAEFF-low.gif
VOUT = 12 V
Figure 7-10 Power Dissipation
GUID-A98C9CE0-5CDE-4082-86F2-2DCF3F2F3429-low.gif
VOUT = 3.3 V
Figure 7-12 Power Dissipation
GUID-851249E2-F6F1-4E85-B58F-5D5DA5B08039-low.gif
VOUT = 1.8 V
Figure 7-14 Power Dissipation
GUID-6868D94A-9E62-433B-9A28-8B9F84E81548-low.gif
VOUT = 1.2 VRθ = 58°C/W
Figure 7-16 Ambient Temperature vs Output Current
GUID-86C913B9-181A-43AA-B225-D0929A6D39FF-low.gif
VOUT = 2.5 VRθ = 58°C/W
Figure 7-18 Ambient Temperature vs Output Current
GUID-827788EF-E38E-4E6C-9BCB-0593768B003E-low.gif
VOUT = 5 VRθ = 58°C/W
Figure 7-20 Ambient Temperature vs Output Current
GUID-528F76C4-7A04-45F2-83F1-528D66EB31E8-low.gif
VOUT = 15 VRθ = 58°C/W
Figure 7-22 Ambient Temperature vs Output Current
GUID-5D36A5B3-D3E2-452D-81A8-F088A51EDE57-low.gif
VOUT = 3.3 V Adjustable Option
Figure 7-24 Auto PFM Mode Switching Frequency vs Output Current
GUID-D0BD1D2B-DD9B-4008-B063-7184F9554382-low.gif
VOUT = 5 V Adjustable Option
Figure 7-26 Auto PFM Mode Switching Frequency vs Output Current
GUID-9AF34135-11AB-497E-8EC3-A833E8E01A49-low.gif
VOUT = 12 V
Figure 7-28 Auto PFM Mode Switching Frequency vs Output Current
GUID-9EF40BA6-5A71-4A45-9776-21975FF03C9F-low.gif
Figure 7-30 Switching Frequency vs Input Voltage for Adjustable Output Options at Full Load
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