SNVS730C October   2011  – June 2019 LMR10520

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Application
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Descriptions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Ratings
    3. 6.3 Electrical Characteristics
    4. 6.4 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 Soft-Start
      2. 7.3.2 Output Overvoltage Protection
      3. 7.3.3 Undervoltage Lockout
      4. 7.3.4 Current Limit
      5. 7.3.5 Thermal Shutdown
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Detailed Design Procedure
        1. 8.2.1.1 Custom Design With WEBENCH® Tools
        2. 8.2.1.2 Inductor Selection
        3. 8.2.1.3 Input Capacitor
        4. 8.2.1.4 Output Capacitor
        5. 8.2.1.5 Catch Diode
        6. 8.2.1.6 Output Voltage
        7. 8.2.1.7 Calculating Efficiency and Junction Temperature
      2. 8.2.2 Application Curves
      3. 8.2.3 Other System Examples
        1. 8.2.3.1 LMR10520X Design Example 1
        2. 8.2.3.2 LMR10510X Design Example 2
        3. 8.2.3.3 LMR10510Y Design Example 3
        4. 8.2.3.4 LMR10510Y Design Example 4
  9. 9 Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
    3. 9.3 Thermal Definitions
    4. 9.4 WSON Package
  10. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Third-Party Products Disclaimer
      2. 10.1.2 Development Support
        1. 10.1.2.1 Custom Design With WEBENCH® Tools
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Community Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.4 Typical Characteristics

Unless stated otherwise, all curves taken at VIN = 5 V with configuration in typical application circuit shown in Figure 14.
TJ = 25°C, unless otherwise specified.
LMR10520 30166396.gif
VIN = 5 V VOUT = 1.8 V and 3.3 V
Figure 1. Efficiency vs Load "X"
LMR10520 30166398.gif
VIN = 3.3 V VOUT = 1.8 V
Figure 3. Efficiency vs Load "X" and "Y"
LMR10520 30166336.gif
Figure 5. Oscillator Frequency vs Temperature - "Y"
LMR10520 30166388.png
Figure 7. RDSON vs Temperature
LMR10520 30166337.gif
Figure 9. LMR10520Y IQ (Quiescent Current)
LMR10520 30166356.png
VIN = 5 V VOUT = 1.2 V at 1 A
Figure 11. Gain vs Frequency
LMR10520 30166397.gif
VIN = 5 V VOUT = 1.8 V and 3.3 V
Figure 2. Efficiency vs Load "Y"
LMR10520 30166324.gif
Figure 4. Oscillator Frequency vs Temperature - "X"
LMR10520 30166386.gif
VIN = 3.3 V
Figure 6. Current Limit vs Temperature
LMR10520 30166328.gif
Figure 8. LMR10520X IQ (Quiescent Current)
LMR10520 30166327.gif
Figure 10. VFB vs Temperature
LMR10520 30166357.png
VIN = 5 V VOUT = 1.2 V at 1 A
Figure 12. Phase Plot vs Frequency