SNVS667I
February 2010 – March 2022
LMZ12010
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Output Overvoltage Protection
7.3.2
Current Limit
7.3.3
Thermal Protection
7.3.4
Prebiased Start-Up
7.4
Device Functional Modes
7.4.1
Discontinuous Conduction and Continuous Conduction Modes
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
Enable Divider, RENT, RENB, and RENH Selection
8.2.2.2
Output Voltage Selection
8.2.2.3
Soft-Start Capacitor Selection
8.2.2.4
Tracking Supply Divider Option
8.2.2.5
COUT Selection
8.2.2.6
CIN Selection
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
10.3
Power Dissipation and Thermal Considerations
10.4
Power Module SMT Guidelines
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.1.2
Development Support
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Support Resources
11.4
Receiving Notification of Documentation Updates
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
NDY|11
MMSF025
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvs667i_oa
snvs667i_pm
1
Features
Integrated shielded inductor
Simple PCB layout
Fixed switching frequency (350 kHz)
Flexible start-up sequencing using external soft start, tracking, and precision enable
Protection against inrush currents and faults such as input UVLO and output short circuit
Junction temperature range: –40°C to 125°C
Single exposed pad and standard pinout for easy mounting and manufacturing
Fully enabled for
WEBENCH®
power designer
Pin compatible with
LMZ22010
,
LMZ22008
, LMZ22006,
LMZ12008
, LMZ12006,
LMZ23610
,
LMZ23608
, LMZ23606,
LMZ13610
,
LMZ13608
, and LMZ13606
Electrical specifications
50-W maximum total output power
Up to 10-A output current
Input voltage range: 6 V to 20 V
Output voltage range: 0.8 V to 6 V
Efficiency up to 92%
Performance benefits
High efficiency reduces system heat generation
Low radiated emissions (EMI) tested to EN55022
(1)
Only seven external components
Low output voltage ripple
No external heat sink required
1.
EN 55022:2006, +A1:2007, FCC Part 15 Subpart B, tested on Evaluation Board with EMI configuration.