SLUS812E
February 2008 – September 2025
TPS51200
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Sink and Source Regulator (VO Pin)
6.3.2
Reference Input (REFIN Pin)
6.3.3
Reference Output (REFOUT Pin)
6.3.4
Soft-Start Sequencing
6.3.5
Enable Control (EN Pin)
6.3.6
Powergood Function (PGOOD Pin)
6.3.7
Current Protection (VO Pin)
6.3.8
UVLO Protection (VIN Pin)
6.3.9
Thermal Shutdown
6.3.10
Tracking Start-up and Shutdown
6.3.11
Output Tolerance Consideration for VTT DIMM Applications
6.3.12
REFOUT (VREF) Consideration for DDR2 Applications
6.4
Device Functional Modes
6.4.1
Low Input Voltage Applications
6.4.2
S3 and Pseudo-S5 Support
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Input Voltage Capacitor
7.2.2.2
VLDO Input Capacitor
7.2.2.3
Output Capacitor
7.2.3
Application Curves
7.3
System Examples
7.3.1
3.3VIN, DDR2 Configuration
7.3.2
2.5VIN, DDR3 Configuration
7.3.3
3.3VIN, LP DDR3 or DDR4 Configuration
7.3.4
3.3VIN, DDR3 Tracking Configuration
7.3.5
3.3VIN, LDO Configuration
7.3.6
3.3VIN, DDR3 Configuration with LFP
7.4
Power Supply Recommendations
7.5
Layout
7.5.1
Layout Guidelines
7.5.2
Layout Example
7.5.3
Thermal Design Considerations
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.1.1
Evaluation Modules
8.1.1.2
Spice Models
8.2
Documentation Support
8.2.1
Related Documentation
8.3
Receiving Notification of Documentation Updates
8.4
Support Resources
8.5
Trademarks
8.6
Electrostatic Discharge Caution
8.7
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRC|10
MPDS117L
Thermal pad, mechanical data (Package|Pins)
DRC|10
QFND013N
Orderable Information
slus812e_oa
slus812e_pm
Data Sheet
TPS51200
Sink and Source DDR Termination Regulator