ZHCSF41B December   2015  – March 2021 LMR16030

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Fixed Frequency Peak Current Mode Control
      2. 7.3.2  Slope Compensation
      3. 7.3.3  Sleep Mode
      4. 7.3.4  Low Dropout Operation and Bootstrap Voltage (BOOT)
      5. 7.3.5  Adjustable Output Voltage
      6. 7.3.6  Enable and Adjustable Undervoltage Lockout
      7. 7.3.7  External Soft Start
      8. 7.3.8  Switching Frequency and Synchronization (RT/SYNC)
      9. 7.3.9  Power Good (PGOOD)
      10. 7.3.10 Overcurrent and Short Circuit Protection
      11. 7.3.11 Overvoltage Protection
      12. 7.3.12 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 Active Mode
      3. 7.4.3 CCM Mode
      4. 7.4.4 Light Load Operation
  8. 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 Output Voltage Set-Point
        3. 8.2.2.3 Switching Frequency
        4. 8.2.2.4 Output Inductor Selection
        5. 8.2.2.5 Output Capacitor Selection
        6. 8.2.2.6 Schottky Diode Selection
        7. 8.2.2.7 Input Capacitor Selection
        8. 8.2.2.8 Bootstrap Capacitor Selection
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  12. 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

6.5 Electrical Characteristics

Limits apply over the recommended operating junction temperature (TJ) range of -40°C to +125°C, unless otherwise stated. Minimum and Maximum limits are specified through test, design or statistical correlation. Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only. Unless otherwise specified, the following conditions apply: VIN = 4.3 V to 60 V
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
POWER SUPPLY (VIN PIN)
VINOperation input voltage4.360V
UVLOUnder voltage lockout thresholdsRising threshold3.84.04.2V
Hysteresis285mV
ISHDNShutdown supply currentVEN = 0 V, TA = 25 °C, 4.3 V ≤ VIN ≤ 60 V1.03.0μA
IQOperating quiescent current (non- switching)VFB = 1.0 V, TA = 25 °C40μA
ENABLE (EN PIN)
VEN_THEN Threshold Voltage1.051.201.38V
IEN_PINEN PIN currentEnable threshold +50 mV-4.6μA
Enable threshold -50 mV-1.0
IEN_HYSEN hysteresis current-3.6μA
SOFT-START
ISSSS pin currentFor External Soft-Start version only, TA = 25 °C-3.0μA
tSSInternal soft-start timeFor Power-Good version only, 10% to 90% of FB voltage4.0ms
POWER GOOD (PGOOD PIN)
VPG_UVPower-good flag under voltage tripping thresholdPOWER GOOD (% of FB voltage)94%
POWER BAD (% of FB voltage)92%
VPG_OVPower-good flag over voltage tripping thresholdPOWER BAD (% of FB voltage)109%
POWER GOOD (% of FB voltage)107%
VPG_HYSPower-good flag recovery hysteresis% of FB voltage2%
IPGPGOOD leakage current at high level outputVPull-Up = 5 V10200nA
VPG_LOWPGOOD low level output voltageIPull-Up = 1 mA0.1V
VIN_PG_MINMinimum VIN for valid PGOOD outputVPull-Up < 5 V at IPull-Up = 100 μA1.61.95V
VOLTAGE REFERENCE (FB PIN)
VFBFeedback voltageTJ = 25 °C0.7460.7500.754V
TJ = -40 °C to 125 °C0.7350.7500.765V
HIGH-SIDE MOSFET
RDS_ONOn-resistanceVIN = 12 V, BOOT to SW = 5.8 V155320mΩ
HIGH-SIDE MOSFET CURRENT LIMIT
ILIMTCurrent limitVIN = 12 V, TA = 25 °C, Open Loop3.804.755.70A
THERMAL PERFORMANCE
TSHDNThermal shutdown threshold170°C
THYSHysteresis12
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