Datasheet > MIC5166

MIC5166

更新时间： 2024-11-30 14:54:15

品牌	Logo	应用领域
美国微芯 - MICROCHIP		双倍数据速率
页数	文件大小	规格书
36页	1615K
描述
The MIC5166 is a 3A, high-speed, linear, low VIN, double data rate (DDR), memory terminator power

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MIC5166 数据手册

MIC5166

3A High-Speed, Low-V_INDDR Terminator

Features

General Description

• Operating Voltage Range:

The MIC5166 is a 3A, high-speed, linear, low V_IN,

double data rate (DDR), memory terminator power

supply. The part is small and requires small output

capacitors, making it a tiny overall solution. This allows

it to be conveniently placed close to the DDR memory,

minimizing circuit board layout inductance that may

cause excessive voltage ripple at the DDR memory.

- V_DDQSupply: 0.9V to 3.6V

- Bias Supply: 2.5V to 5.5V

• High Bandwidth: Very Fast Transient Response

• Stable with Two 10 µF Ceramic Output Capacitors

• Two 10 µF Output Capacitors used in Most

Applications

The MIC5166 contains a precision voltage divider

network in order to take in the V_DDQvoltage as a

reference voltage and conveniently output the

terminator voltage (V_TT) at one half of the V_DDQinput

voltage.

• High Output Voltage Accuracy:

- 0.015% Line Regulation

- 1.5% Load Regulation

• Logic Level Enable Input

The MIC5166 is capable of sinking and sourcing up to

3A. It is stable with only two 10 µF ceramic output

capacitors. The part is available in a small 3 mm x

3 mm DFN thermally-enhanced package.

• Power Good (PG)

• Thermally Enhanced 3 mm x 3 mm DFN

• Junction Temperature Range –40°C to +125°C

• This Device Meets DDR4 Requirements

The MIC5166 has a high-side NMOS output stage

offering very low output impedance, and very high

bandwidth. The NMOS output stage offers a unique

ability to respond very quickly to sudden load changes

such as is required for DDR memory termination power

supply applications.

Applications

• Desktop Computers

• Notebook Computers

• Datacom Systems

• Servers

Package Type

• Video Cards

MIC5166

10-Lead 3 mm x 3 mm DFN (ML)

(Top View)

VIN

VREF

BIAS

VTT

PGND

AGND

VDDQ

SNS

 2018 - 2019 Microchip Technology Inc.

DS20006085B-page 1

12 3 4 5 6 7...36

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