SNVS730C
October 2011 – June 2019
LMR10520
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application
4
Revision History
5
Pin Configuration and Functions
Pin Descriptions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
Recommended Operating Ratings
6.3
Electrical Characteristics
6.4
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Soft-Start
7.3.2
Output Overvoltage Protection
7.3.3
Undervoltage Lockout
7.3.4
Current Limit
7.3.5
Thermal Shutdown
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Detailed Design Procedure
8.2.1.1
Custom Design With WEBENCH® Tools
8.2.1.2
Inductor Selection
8.2.1.3
Input Capacitor
8.2.1.4
Output Capacitor
8.2.1.5
Catch Diode
8.2.1.6
Output Voltage
8.2.1.7
Calculating Efficiency and Junction Temperature
8.2.2
Application Curves
8.2.3
Other System Examples
8.2.3.1
LMR10520X Design Example 1
8.2.3.2
LMR10510X Design Example 2
8.2.3.3
LMR10510Y Design Example 3
8.2.3.4
LMR10510Y Design Example 4
9
Layout
9.1
Layout Guidelines
9.2
Layout Example
9.3
Thermal Definitions
9.4
WSON Package
10
Device and Documentation Support
10.1
Device Support
10.1.1
Third-Party Products Disclaimer
10.1.2
Development Support
10.1.2.1
Custom Design With WEBENCH® Tools
10.2
Receiving Notification of Documentation Updates
10.3
Community Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
NGG|6
MPDS395
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvs730c_oa
snvs730c_pm
1
Features
Input Voltage Range of 3 V to 5.5 V
Output Voltage Range of 0.6 V to 4.5 V
Output Current up to 2 A
1.6-MHz (LMR10520X) and 3-MHz (LMR10520Y) Switching Frequencies
Low Shutdown I
Q
, 30 nA Typical
Internal Soft Start
Internally Compensated
Current-Mode PWM Operation
Thermal Shutdown
Tiny Overall Solution Reduces System Cost
WSON (3 × 3 × 0.8 mm) Packaging
Create a custom design using the LMR10520 with the
WEBENCH® Power Designer