SLUSFL7
August 2024
LMR51606-Q1
,
LMR51610-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
System Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fixed Frequency Peak Current Mode Control
7.3.2
Adjustable Output Voltage
7.3.3
Enable
7.3.4
Minimum ON Time, Minimum OFF Time, and Frequency Foldback
7.3.5
Bootstrap Voltage
7.3.6
Overcurrent and Short-Circuit Protection
7.3.7
Soft Start
7.3.8
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Active Mode
7.4.3
CCM Mode
7.4.4
Light Load Operation (PFM Version)
7.4.5
Light-Load Operation (FPWM Version)
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design With WEBENCH® Tools
8.2.2.2
Output Voltage Setpoint
8.2.2.3
Switching Frequency
8.2.2.4
Inductor Selection
8.2.2.5
Output Capacitor Selection
8.2.2.6
Input Capacitor Selection
8.2.2.7
Bootstrap Capacitor
8.2.2.8
Undervoltage Lockout Setpoint
8.2.2.9
Replacing Non Sync Buck Converter
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
Compact Layout for EMI Reduction
8.4.1.2
Feedback Resistors
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Third-Party Products Disclaimer
9.1.2
Development Support
9.1.2.1
Custom Design With WEBENCH® Tools
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|6
MPDS026Q
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusfl7_oa
slusfl7_pm
1
Features
AEC-Q100 qualified
Temperature grade 1: –40°C to 125°C ambient operating temperature range
Functional Safety-Capable
Documentation available to aid functional safety system design
Configured for rugged industrial applications
4V to 65V input voltage range
Input transient protection up to 70V
0.6A / 1A continuous output current
80ns minimum switching on time
Fixed 400kHz switching frequency
–40°C to 150°C junction temperature range
96% maximum duty cycle
Monotonic start-up with prebiased output
Short-circuit protection with hiccup mode
Precision enable
Small design size and ease of use
Integrated synchronous rectification
Internal compensation for ease of use
Various options in pin-to-pin compatible package
PFM and forced PWM (FPWM) options
Pin-to-pin compatible with the
LMR16006Y-Q1
,
LM2842-Q1
,
LMR50410-Q1
, and
TPS560430-Q1
Create a custom design using the
LMR516xx-Q1
with the
WEBENCH®
Power Designer