Datasheet > EVNB679

EVNB679

更新时间： 2024-09-16 01:20:59

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
5页	249K
描述
26V, Low Iq, High Current, Fixed 5.5V-8A Synchronous Buck Converter with 100mA LDO

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EVNB679 数据手册

EVNB679

26V, Low Iq, High Current, Fixed 5.5V-8A

Synchronous Buck Converter

with 100mA LDO

The Future of Analog IC Technology

PRELIMINARY SPECIFICATIONS SUBJECT TO CHANGE

DESCRIPTION

FEATURES

The NB679 is a fully integrated high frequency

synchronous rectified step-down switch mode

converter with fixed 5V Vout. It offers very

compact solution to achieve 8A continuous

output current and 10A peak output current over

a wide input supply range with excellent load

and line regulation.

•

Wide 5.5V to 26V Operating Input Range

Fixed 5V Vout, Support 5.5V-5V

Ultrasonic Mode

100μA low quiescent Current

8A Continous Output Current

10A Peak Output Current

Adaptive COT for Fast transient

DC Auto Tune Loop

Stable with POSCAP and Ceramic Output

Built-in 5V, 100mA LDO with Switch Over

1% Reference Voltage

Internal Soft Start

Output Discharge

700kHZ Switching Frequency

OCP, OVP, UVP(metal Hiccup) Protection

and Thermal Shutdown.

The NB679 operates at high efficiency over a

wide output current load rang based on MPS

proprietary switching loss reduction tech and

internal Low Ron Power MOSFETs

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.

NB679 also provide fixed 5V LDO which can be

used to power the external peripheries.

•

Latch off reset via EN or Power cycle.

APPLICATIONS

Full protection features include OC Limit, OVP,

UVP and thermal shut down. The converter

•

Notebook Systems and Tablet PC

Networking Systems and Server

Personal Video Recorders

requires

minimum

number

external

components and is available in QFN 2x3

packages.

Distributed Power Systems

All MPS parts are lead-free and adhere to the RoHS directive. For MPS green

status, please visit MPS website under Products, Quality Assurance page.

“MPS” and “The Future of Analog IC Technology” are registered trademarks of

Monolithic Power Systems, Inc.

EVNB679-D-00A EVALUATION BOARD

100

=5.5V

=8.4V

=12V

(L x W ) 635mm x 635mm

=19V

Board Number

MPS IC Number

0.001

0.01

0.1

EVNB679-D-00A

NB679

OUTPUT CURRENT(A)

EVNB679 Rev. 1.0

11/14/2014

Preliminary Specifications Subject to Change

www.MonolithicPower.com

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

12 3 4 5

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与EVNB679相关器件

型号	品牌	获取价格	描述	数据表
EVNB679-D-00A	MPS	获取价格	26V, Low Iq, High Current, Fixed 5.5V-8A Synchronous Buck Converter with 100mA LDO
EVND2A	PANASONIC	获取价格	Carbon Composition Trimmer Po ten ti om e ters/EVND
EVN-D2AA03B52	PANASONIC	获取价格	Carbon Composition Trimmer Po ten ti om e ters/EVND
EVND2AAO3B12	PANASONIC	获取价格	Trimmer, Carbon Composition, 0.1W, 100ohm, 50V, 2518
EVND2AAO3B13	PANASONIC	获取价格	RESISTOR, TRIMMER, CARBON COMPOSITION, 1 TURN(S), 0.1W, 1000ohm
EVND2AAO3B14	PANASONIC	获取价格	RESISTOR, TRIMMER, CARBON COMPOSITION, 1 TURN(S), 0.1W, 10000ohm
EVND2AAO3B16	PANASONIC	获取价格	RESISTOR, TRIMMER, CARBON COMPOSITION, 1 TURN(S), 0.1W, 1000000ohm
EVND2AAO3B22	PANASONIC	获取价格	Trimmer, Carbon Composition, 0.1W, 200ohm, 50V, 2518
EVND2AAO3B23	PANASONIC	获取价格	RESISTOR, TRIMMER, CARBON COMPOSITION, 1 TURN(S), 0.1W, 2000ohm
EVND2AAO3B24	PANASONIC	获取价格	RESISTOR, TRIMMER, CARBON COMPOSITION, 1 TURN(S), 0.1W, 20000ohm

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