JAJSB28H May   2011  – October 2023 LMZ10501

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Revision History
  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 System Characteristics
    7. 6.7 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 Current Limit
      2. 7.3.2 Startup Behavior and Soft Start
      3. 7.3.3 Output Short Circuit Protection
      4. 7.3.4 Thermal Overload Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Circuit Operation
      2. 7.4.2 Input Under Voltage Detection
      3. 7.4.3 Shutdown Mode
      4. 7.4.4 EN Pin Operation
      5. 7.4.5 Internal Synchronous Rectification
      6. 7.4.6 High Duty Cycle Operation
  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
          1. 8.2.2.2.1 RT And RB Selection For Fixed VOUT
          2. 8.2.2.2.2 Output Voltage Accuracy Optimization
        3. 8.2.2.3 Dynamic Output Voltage Scaling
        4. 8.2.2.4 Integrated Inductor
        5. 8.2.2.5 Input And Output Capacitor Selection
      3. 8.2.3 Application Curves
        1. 8.2.3.1 VOUT = 1.2 V
        2. 8.2.3.2 VOUT = 1.8 V
        3. 8.2.3.3 VOUT = 2.5 V
        4. 8.2.3.4 VOUT = 3.3 V
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Voltage Range
      2. 8.3.2 Current Capability
      3. 8.3.3 Input Connection
        1. 8.3.3.1 Voltage Drops
        2. 8.3.3.2 Stability
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
      3. 8.4.3 Package Considerations
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Custom Design With WEBENCH® Tools
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 ドキュメントの更新通知を受け取る方法
    4. 9.4 サポート・リソース
    5. 9.5 Trademarks
    6. 9.6 静電気放電に関する注意事項
    7. 9.7 用語集
  11. 10Mechanical, Packaging, and Orderable Information

パッケージ・オプション

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発注情報

6.6 System Characteristics

The following specifications are specified by design providing the component values in Figure 8-1 are used (CIN = COUT = 10 µF, 6.3 V, 0603, TDK C1608X5R0J106K). These parameters are not specified by production testing. Unless otherwise stated the following conditions apply: TA = 25°C.
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
ΔVOUT/VOUTOutput voltage regulation over line voltage and load currentVOUT = 0.6 V
ΔVIN = 2.7 V to 4.2 V
ΔIOUT = 0A to 1A		±1.75%
ΔVOUT/VOUTOutput voltage regulation over line voltage and load currentVOUT = 1.5 V
ΔVIN = 2.7 V to 5.5 V
ΔIOUT = 0A to 1A		±0.92%
ΔVOUT/VOUTOutput voltage regulation over line voltage and load currentVOUT = 3.6 V
ΔVIN = 4.0 V to 5.5 V
ΔIOUT = 0A to 1A		±0.38%
VREF TRISERise time of reference voltageEN = Low to High, VIN = 4.2 V
VOUT = 2.7 V, IOUT = 1A		10µs
ηPeak efficiencyVIN = 5.0 V, VOUT = 3.3 V
IOUT = 200 mA		95%
Full load efficiencyVIN = 5.0 V, VOUT = 3.6 V
IOUT = 1000 mA		91%
VOUT RippleOutput voltage rippleVIN = 5.0 V, VOUT = 1.8 V
IOUT = 1000 mA 		10mV pk-pk
Line TransientLine transient responseVIN = 2.7 V to 5.5 V,
TR = TF= 10 µs,
VOUT = 1.8 V, IOUT = 1000 mA		30mV pk-pk
Load TransientLoad transient responseVIN = 5.0 V
TR = TF = 40 µs,
VOUT = 1.8 V
IOUT = 100 mA to 1000 mA		30mV pk-pk