SNVS728D October   2011  – June 2019 LMR10515

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Application
  4. 4 Revision History
  5. 5 Description, continued
  6. 6 Pin Configuration and Functions
    1.     Pin Description: 5-Pin SOT-23
    2.     Pin Descriptions 6-Pin WSON
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 Recommended Operating Ratings
    3. 7.3 Electrical Characteristics
    4. 7.4 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 Soft-Start
      2. 8.3.2 Output Overvoltage Protection
      3. 8.3.3 Undervoltage Lockout
      4. 8.3.4 Current Limit
      5. 8.3.5 Thermal Shutdown
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Detailed Design Procedure
        1. 9.2.1.1 Custom Design With WEBENCH® Tools
        2. 9.2.1.2 Inductor Selection
        3. 9.2.1.3 Input Capacitor
        4. 9.2.1.4 Output Capacitor
        5. 9.2.1.5 Catch Diode
        6. 9.2.1.6 Output Voltage
        7. 9.2.1.7 Calculating Efficiency, And Junction Temperature
      2. 9.2.2 Application Curves
      3. 9.2.3 Other System Examples
        1. 9.2.3.1 LMR10510x Design Example 1
        2. 9.2.3.2 Lmr10510X Design Example 2
        3. 9.2.3.3 LMR10510Y Design Example 3
        4. 9.2.3.4 LMR10510Y Design Example 4
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Definitions
    4. 10.4 WSON Package
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 Custom Design With WEBENCH® Tools
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

7.4 Typical Characteristics

Unless stated otherwise, all curves taken at VIN = 5 V with configuration in typical application circuit shown in Figure 15. TJ = 25°C, unless otherwise specified.
LMR10515 30166196.gif
VIN = 5 V VOUT = 1.8 V and 3.3 V
Figure 1. Efficiency vs Load
LMR10515 30166198.gif
VIN = 3.3 V VOUT = 1.8 V
Figure 3. Efficiency vs Load "X and Y"
LMR10515 30166136.gif
Figure 5. Oscillator Frequency vs Temperature - "Y"
LMR10515 30166183.png
Figure 7. RDSON vs Temperature (WSON Package)
LMR10515 30166128.gif
Figure 9. LMR10510X IQ (Quiescent Current)
LMR10515 30166127.gif
Figure 11. VFB vs Temperature
LMR10515 30166157.png
VIN = 5 V VOUT = 1.2 V at 1 A
Figure 13. Phase Plot vs Frequency
LMR10515 30166197.gif
VIN = 5 V VOUT = 1.8 V and 3.3 V
Figure 2. Efficiency vs Load "Y"
LMR10515 30166124.gif
Figure 4. Oscillator Frequency vs Temperature - "X"
LMR10515 30166123.gif
VIN = 3.3 V
Figure 6. Current Limit vs Temperature Vin = 3.3v
LMR10515 30166184.png
Figure 8. RDSON vs Temperature (SOT-23 Package)
LMR10515 30166137.gif
Figure 10. LMR10515Y IQ (Quiescent Current)
LMR10515 30166156.png
VIN = 5 V VOUT = 1.2 V at 1 A
Figure 12. Gain vs Frequency