Datasheet > NB682

NB682

更新时间： 2024-12-01 17:01:59

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
24页	915K
描述
4.5-26V宽输入电压、3A、宽输出、同步降压变换器，搭载 2 位 VID

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中文翻译

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数据手册

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NB682 数据手册

NB682

28V, 3A, Low IQ, Wide Output

Synchronous Buck Converter with 2-Bit VID

NOT RECOMMENDED FOR NEW DESIGNS, REFER TO NB695

DESCRIPTION

FEATURES

The NB682 is a fully integrated, high-frequency,

synchronous, rectified, step-down, switch-mode

converter with 2-Bit VID, especially designed for

IMVP8 applications—VCCIO, PRIMCORE,

V1.0A, EDRAM, and EOPIO, as well as other

POLs (1.8V/2.5V/3.3V). It offers a very compact

solution to achieve a 3A continuous output

current and a 4A peak output current over a

wide input supply range.

•

Wide 4.5V to 28V Operating Input Range

VCCIO/PRIMCORE/EDRAM/EOPIO/V1.0A/

1.8V/2.5V/3.3V Compatible for IMVP8

Wide Output Adjustable by 2-Bit VID

Low-Power Mode

25µA Low Quiescent Current

3A Continuous Output Current

4A Peak Output Current

Selectable Ultrasonic Mode

Adaptive COT for Fast Transient

DC Auto-Tune Loop

Stable with POSCAP and Ceramic

Capacitors

•

The NB682 operates at high efficiency over a

wide output current load range based on MPS

proprietary switching loss reduction technology

and internal low Ron power MOSFETs.

•

1% Reference Voltage

Internal Soft Start

Output Discharge

UVP, OVP, OCL, and Thermal Shutdown

Latch-Off Re-Set via EN or Power Cycle

Lead and Halogen-Free, RoHS Compliant

Available in a QFN-13 2mm x 3mm

Package

Adaptive constant-on-time (COT) control mode

provides fast transient response and eases loop

stabilization. The DC auto-tune loop provides

good load and line regulation.

NB682 provides both a low-power mode for

power-loss saving during the low-power state

and ultrasonic mode to avoid audible noise.

Full protection features include OC Limit, OVP,

UVP, and thermal shutdown (TSD).

APPLICATIONS

•

Laptop Computers/Tablet PCs

Networking Systems

Servers

Personal Video Recorders

Flat Panel Television and Monitors

Distributed Power Systems

The converter requires a minimum number of

external components and is available in a

QFN-13 2mm x 3mm package.

All MPS parts are lead-free, halogen-free, and adhere to the RoHS

directive. For MPS green status, please visit the MPS website under

Quality Assurance. “MPS” and “The Future of Analog IC Technology” are

registered trademarks of Monolithic Power Systems, Inc.

TYPICAL APPLICATION

GND

V_IN

4.5-24V

220nF

V_OUT

LP# MODE BST

VIN

1.0μH

0.95V/3A

22μF

VOUT

NB682

66μF

GND

PGND

AGND

3V3

100kΩ

1μF

3.3V

GND

AGND

NB682 Rev. 1.02

7/27/2017

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...24

中文翻译

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与NB682相关器件

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NB685	MPS	获取价格	26 V，12 A，低静态电流，大电流同步降压变换器带+/- 1 A LDO 和缓冲参
NB685A	MPS	获取价格	4.5-26V宽输入电压、12A、低静态电流、大电流同步降压变换器，搭载 +/-1A LD
NB686	MPS	获取价格	4.5-26V宽输入电压、8A、低静态电流、大电流同步降压变换器，搭载 +/-1A LDO
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NB6G	GLENAIR	获取价格	Military Standard Connector Index
NB6HQ14M	ONSEMI	获取价格	2.5V 5GHz / 6.5Gbps Differential Input to 1.8V / 2.5V 1:4 CML Clock / Data Fanout Buffer
NB6HQ14MMNG	ONSEMI	获取价格	2.5V 5GHz / 6.5Gbps Differential Input to 1.8V / 2.5V 1:4 CML Clock / Data Fanout Buffer
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