SNVSC26
October 2022
LM5012-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Control Architecture
8.3.2
Internal VCC Regulator and Bootstrap Capacitor
8.3.3
Regulation Comparator
8.3.4
Internal Soft Start
8.3.5
On-Time Generator
8.3.6
Current Limit
8.3.7
N-Channel Buck Switch and Driver
8.3.8
Schottky Diode Selection
8.3.9
Enable/Undervoltage Lockout (EN/UVLO)
8.3.10
Power Good (PGOOD)
8.3.11
Thermal Protection
8.4
Device Functional Modes
8.4.1
Shutdown Mode
8.4.2
Standby Mode
8.4.3
Active Mode
8.4.4
Sleep Mode
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Custom Design With WEBENCH® Tools
9.2.2.2
Switching Frequency (RRON)
9.2.2.3
Buck Inductor (LO)
9.2.2.4
Output Capacitor (COUT)
9.2.2.5
Input Capacitor (CIN)
9.2.2.6
Type 3 Ripple Network
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.1.1
Compact PCB Layout for EMI Reduction
9.4.1.2
Feedback Resistors
9.4.2
Layout Example
9.4.2.1
Thermal Considerations
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
Documentation Support
10.2.1
Related Documentation
10.3
Receiving Notification of Documentation Updates
10.4
Support Resources
10.5
Trademarks
10.6
Electrostatic Discharge Caution
10.7
Glossary
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDA|8
MPDS092F
Thermal pad, mechanical data (Package|Pins)
DDA|8
PPTD178C
Orderable Information
snvsc26_oa
snvsc26_pm
1
Features
AEC-Q100-qualified for automotive applications
Device temperature grade 1: –40°C to +125°C, ambient temperature range
Functional Safety-Capable
Documentation available to aid functional safety system design
Designed for reliable and rugged applications
Wide input voltage range of 6 V to 100 V
–40°C to +150°C junction temperature range
Fixed 3.5-ms internal soft-start timer
Peak current-limit protection
Input UVLO and thermal shutdown protection
Optimized for ultra-low EMI requirements
Meets
CISPR 25 Class 5
standard
Suited for scalable automotive power supplies
Pin-to-pin compatible with the LM5163-Q1 LM5164-Q1 (100 V, 0.5 A or 1 A), and LM5013-Q1 (100 V, 3.5 A)
50-ns low minimum on times and off times
10-µA no-load sleep current
3.1-µA shutdown quiescent current
Integration reduces solution size and cost
COT mode control architecture
Integrated 100-V, 0.25-Ω power MOSFET
1.2-V internal voltage reference
No loop compensation components
Internal VCC bias regulator and boot diode
Create a custom regulator design with the LM5013-Q1 using
WEBENCH®
Power Designer