SLVSIO7
July 2026
LM5192
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Related Products
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
Timing Requirements for the Serial Control Bus
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Input Voltage Range (VIN)
7.3.2
High-Voltage Bias Supply Regulators (VCC, VDDA)
7.3.3
Enable (EN)
7.3.4
Switching Frequency
7.3.5
Dual Random Spread Spectrum (DRSS)
7.3.6
Soft Start
7.3.7
Output Voltage
7.3.8
Minimum Controllable On-Time
7.3.9
Dual Loop Architecture
7.3.9.1
Voltage Loop Error Amplifier
7.3.9.2
Current Loop Error Amplifier
7.3.10
Programmable ILIM
7.3.11
IOUT Monitor
7.3.12
Cable Drop Compensation
7.3.13
Slope Compensation
7.3.14
Shunt Current Sensing
7.3.15
Hiccup Mode Current Limiting
7.3.16
Device Configuration (CNFG)
7.3.17
Pulse Frequency Modulation (PFM) / Synchronization
7.3.18
Out-of-Audio Operation
7.3.19
Thermal Shutdown (TSD)
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Standby Mode
7.4.3
Ready Mode
7.4.4
Active Mode
7.4.5
Sleep Mode
7.5
Programming
7.5.1
I2C Bus Operation
7.5.2
Clock Stretching
7.5.3
Data Transfer Formats
7.5.4
Single READ from a Defined Register Address
7.5.5
Sequential READ Starting from a Defined Register Address
7.5.6
Single WRITE to a Defined Register Address
7.5.7
Sequential WRITE Starting at a Defined Register Address
8
LM5192 Registers
9
Application and Implementation
9.1
Application Information
9.1.1
Power Train Components
9.1.1.1
Buck Inductor
9.1.1.2
Output Capacitors
9.1.1.3
Input Capacitors
9.1.1.4
EMI Filter
9.2
Typical Application
9.2.1
High Efficiency, Wide Input, 400kHz, Synchronous Buck Regulator
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Custom Design With WEBENCH® Tools
9.2.1.2.2
Buck Inductor
9.2.1.2.3
Current-Sense Resistance
9.2.1.2.4
Output Capacitors
9.2.1.2.5
Input Capacitors
9.2.1.2.6
Compensation Components
9.2.1.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.1.1
Thermal Design and Layout
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Device Support
10.1.1
Development Support
10.1.1.1
Custom Design With WEBENCH® Tools
10.2
Documentation Support
10.2.1
Related Documentation
10.2.1.1
PCB Layout Resources
10.2.1.2
Thermal Design Resources
10.3
Receiving Notification of Documentation Updates
10.4
Support Resources
10.5
Trademarks
10.6
Electrostatic Discharge Caution
10.7
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RGY|19
MPQF777A
Thermal pad, mechanical data (Package|Pins)
RGY|19
QFND818
Orderable Information
slvsio7_oa
slvsio7_pm
10.2.1
Related Documentation
For related documentation, see the following:
Texas Instruments,
Improve High-current DC/DC Regulator Performance for Free with Optimized Power Stage Layout
application brief
Texas Instruments,
AN-2162 Simple Success with Conducted EMI from DC-DC Converters
application note
Texas Instruments,
Reduce Buck Converter EMI and Voltage Stress by Minimizing Inductive Parasitics
analog design journal
White papers:
Texas Instruments,
An Overview of Conducted EMI Specifications for Power Supplies
Texas Instruments,
An Overview of Radiated EMI Specifications for Power Supplies
Texas Instruments,
Valuing Wide V
IN
, Low EMI Synchronous Buck Circuits for Cost-driven, Demanding Applications