1 Features

1• Input Voltage: Supports 2.5-V Rail and 3.3-V Rail

• VLDOIN Voltage Range: 1.1 V to 3.5 V

• Sink and Source Termination Regulator Includes

Droop Compensation

• Requires Minimum Output Capacitance of 20-μF

(Typically 3 × 10-μF MLCCs) for Memory

Termination Applications (DDR)

• PGOOD to Monitor Output Regulation

• EN Input

• REFIN Input Allows for Flexible Input Tracking

Either Directly or Through Resistor Divider

• Remote Sensing (VOSNS)

• ±10-mA Buffered Reference (REFOUT)

• Built-in Soft Start, UVLO, and OCL

• Thermal Shutdown

• Supports DDR, DDR2, DDR3, DDR3L, LowPower

DDR3, and DDR4 VTT Applications

• 10-Pin VSON Package With Thermal Pad

2 Applications

• Memory Termination Regulator for DDR, DDR2,

DDR3, DDR3L, Low-Power DDR3 and DDR4

• Notebooks, Desktops, and Servers

• Telecom and Datacom

• Base Stations

• LCD-TVs and PDP-TVs

• Copiers and Printers

• Set-Top Boxes

3 Description

The TPS51200 device is a sink and source double

data rate (DDR) termination regulator specifically

designed for low input voltage, low-cost, low-noise

systems where space is a key consideration.

The TPS51200 maintains a fast transient response

and requires a minimum output capacitance of only

20 μF. The TPS51200 supports a remote sensing

function and all power requirements for DDR, DDR2,

DDR3, DDR3L, Low-Power DDR3 and DDR4 VTT

bus termination.

In addition, the TPS51200 provides an open-drain

PGOOD signal to monitor the output regulation and

an EN signal that can be used to discharge VTT

during S3 (suspend to RAM) for DDR applications.

TPS51200DRCRTPS51200DRCRTPS51200DRCRTPS51200DRCR

1功能

输入电压:支持2.5 v钢轨和3.3 v钢轨

•VLDOIN电压范围:1.1 V至3.5 V

汇聚和源终止调节器包括

下垂的补偿

•需要20-μF的输出电容

(通常3×10-μF mlcc)的记忆

终止应用程序(DDR)

•PGOOD用于监视输出规则

•在输入

•REFIN输入允许灵活的输入跟踪

直接或通过电阻分压器

•遥感(VOSNS)

•±10-mA缓冲引用(REFOUT)

•内置软启动、UVLO和OCL

•热关机

•支持DDR、DDR2、DDR3、DDR3L、低功耗

DDR3和DDR4 VTT应用程序

•10针VSON封装与热垫

2应用程序

•DDR、DDR2的内存终止调节器

DDR3, DDR3L，低功耗DDR3, DDR4

•笔记本、台式机和服务器

•电信和数据公司

•基站

•液晶电视和pdp电视

•复印机和打印机

•机顶盒

3描述

TPS51200设备是一个接收器和源双倍

数据速率(DDR)终止调节器

适用于低输入电压、低成本、低噪音的场合

空间是关键考虑因素的系统。

TPS51200保持快速瞬态响应

并且只需要的输出电容

20μF。TPS51200支持遥感

DDR、DDR2、

DDR3, DDR3L，低功耗DDR3和DDR4 VTT

总线终端。

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0755-23956688

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