SLUS812D
February 2008 – February 2020
TPS51200
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified DDR Application
4
Revision History
5
Pin Configuration and Functions
Pin 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
Sink and Source Regulator (VO Pin)
7.3.2
Reference Input (REFIN Pin)
7.3.3
Reference Output (REFOUT Pin)
7.3.4
Soft-Start Sequencing
7.3.5
Enable Control (EN Pin)
7.3.6
Powergood Function (PGOOD Pin)
7.3.7
Current Protection (VO Pin)
7.3.8
UVLO Protection (VIN Pin)
7.3.9
Thermal Shutdown
7.3.10
Tracking Start-up and Shutdown
7.3.11
Output Tolerance Consideration for VTT DIMM Applications
7.3.12
REFOUT (VREF) Consideration for DDR2 Applications
7.4
Device Functional Modes
7.4.1
Low Input Voltage Applications
7.4.2
S3 and Pseudo-S5 Support
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
Input Voltage Capacitor
8.2.2.2
VLDO Input Capacitor
8.2.2.3
Output Capacitor
8.2.3
Application Curves
8.3
System Examples
8.3.1
3.3-VIN, DDR2 Configuration
8.3.2
2.5-VIN, DDR3 Configuration
8.3.3
3.3-VIN, LP DDR3 or DDR4 Configuration
8.3.4
3.3-VIN, DDR3 Tracking Configuration
8.3.5
3.3-VIN, LDO Configuration
8.3.6
3.3-VIN, DDR3 Configuration with LFP
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Thermal Design Considerations
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.1.2
Development Support
11.1.2.1
Evaluation Modules
11.1.2.2
Spice Models
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
10
Layout