ZHCSIL4A
June 2018 – December 2018
TPS51200A-Q1
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化的 DDR 应用
4
修订历史记录
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
Switching Characteristics
6.7
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
7.4
Device Functional Modes
7.4.1
S3 and Pseudo-S5 Support
7.4.2
Tracking Startup and Shutdown
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
VTT DIMM Applications
8.2.1.1
Design Parameters
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
VIN Capacitor
8.2.1.2.2
VLDO Input Capacitor
8.2.1.2.3
Output Capacitor
8.2.1.2.4
Output Tolerance Consideration for VTT DIMM Applications
8.2.1.3
Application Curves
8.2.2
Design Example 1
8.2.2.1
Design Parameters
8.2.3
Design Example 2
8.2.3.1
Design Parameters
8.2.4
Design Example 3
8.2.4.1
Design Parameters
8.2.5
Design Example 4
8.2.5.1
Design Parameters
8.2.6
Design Example 5
8.2.6.1
Design Parameters
8.2.7
Design Example 6
8.2.7.1
Design Parameters
8.2.8
Design Example 7
8.2.8.1
Design Parameters
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
LDO Design Guidelines
10.2
Layout Example
10.3
Thermal Considerations
11
器件和文档支持
11.1
器件支持
11.1.1
第三方产品免责声明
11.2
文档支持
11.2.1
相关文档
11.3
接收文档更新通知
11.4
社区资源
11.5
商标
11.6
静电放电警告
11.7
术语表
12
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DRC|10
MPDS117L
散热焊盘机械数据 (封装 | 引脚)
DRC|10
QFND013N
订购信息
zhcsil4a_oa
zhcsil4a_pm
6.7
Typical Characteristics
For
Figure 1
through
Figure 18
, 3 × 10-μF MLCCs (0805) are used on the output.
V
VIN
= 3.3 V
DDR
Figure 1.
Load Regulation
V
VIN
= 3.3 V
DDR3
Figure 3.
Load Regulation
V
VIN
= 3.3 V
LP DDR3 or DDR4
Figure 5.
Load Regulation
V
VIN
= 2.5 V
DDR2
Figure 7.
Load Regulation
V
VIN
= 2.5 V
DDR3L
Figure 9.
Load Regulation
DDR
Figure 11.
REFOUT Load Regulation
DDR3
Figure 13.
REFOUT Load Regulation
LP DDR3 or DDR4
Figure 15.
REFOUT Load Regulation
DDR2
Figure 17.
Gain and Phase vs Frequency
V
VIN
= 3.3 V
DDR2
Figure 2.
Load Regulation
V
VIN
= 3.3 V
DDR3L
Figure 4.
Load Regulation
V
VIN
=2.5 V
DDR
Figure 6.
Load Regulation
V
VIN
= 2.5 V
DDR3
Figure 8.
Load Regulation
V
VIN
= 2.5 V
LP DDR3 or DDR4
Figure 10.
Load Regulation
DDR2
Figure 12.
REFOUT Load Regulation
DDR3L
Figure 14.
REFOUT Load Regulation
Figure 16.
DROPOUT Voltage vs Output Current
DDR3
Figure 18.
Gain and Phase vs Frequency