Datasheet > MPQ4433

MPQ4433

更新时间： 2024-10-01 01:06:39

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
31页	1986K
描述
36V, 3A, Low Quiescent Current, Synchronous, Step-Down Converter AEC-Q100 Qualified

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MPQ4433 数据手册

MPQ4433

36V, 3A, Low Quiescent Current,

Synchronous, Step-Down Converter

AEC-Q100 Qualified

DESCRIPTION

FEATURES

The MPQ4433 is a synchronous, step-down,



Wide 3.3V to 36V Operating Input Range

3A Continuous Output Current

1μA Low Shutdown Mode Current

10μA Sleep Mode Quiescent Current

Internal 90mΩ High-Side and 40mΩ Low-

Side MOSFETs

switching

regulator

with

programmable

frequency (350kHz to 2.5MHz) and integrated,

internal, high-side and low-side power

MOSFETs. The MPQ4433 provides up to 3A of

highly efficient output current with current mode

control for fast loop response.



350kHz to 2.5MHz Programmable Switching

Frequency

The wide 3.3V to 36V input range



Fixed Output Options: 3.3V, 3.8V, 5V

Synchronize to External Clock, Selectable

In-Phase or 180° Out-of-Phase

Power Good Indicator

Programmable Soft-Start Time

80ns Minimum On Time

Selectable Forced CCM or AAM

Low Dropout Mode

Over-Current Protection with Valley-Current

Detection and Hiccup

accommodates

variety of step-down

applications in automotive input environments.

The MPQ4433 is ideal for battery-powered

applications due to its extremely low quiescent

current.



The

MPQ4433

employs

advanced

asynchronous mode (AAM) to achieve high

efficiency in light-load condition by scaling down

the switching frequency to reduce switching and

gate driving losses.



Available in a QFN-16 (3mmx4mm)

Package

Available in Wettable Flank

Standard features include soft start, external

clock synchronization, enable control, and

power good indication. High-duty cycle and low

dropout mode are provided for automotive cold-

crank.



Available in AECQ-100 Grade-1

APPLICATIONS

Over-current protection (OCP) with valley-

current detection is employed to prevent the

inductor current from running away. Hiccup

mode reduces the average current greatly in

short-circuit condition. Thermal shutdown

provides reliable and fault-tolerant operation.



Automotive Systems

Industrial Power Systems

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.

The MPQ4433 is available in a QFN-16

(3mmx4mm) package.

MPQ4433 Rev. 1.0

9/19/2016

www.MonolithicPower.com

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

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与MPQ4433相关器件

型号	品牌	获取价格	描述	数据表
MPQ4433-AEC1	MPS	获取价格	汽车级.36V,3A低静态电流同步降压变换器，采用侧面镀锡封装
MPQ4433GL	MPS	获取价格	36V, 3A, Low Quiescent Current, Synchronous, Step-Down Converter AEC-Q100 Qualified
MPQ4433GL-AEC1	MPS	获取价格	36V, 3A, Low Quiescent Current, Synchronous, Step-Down Converter AEC-Q100 Qualified
MPQ4433GLE-AEC1	MPS	获取价格	36V, 3A, Low Quiescent Current, Synchronous, Step-Down Converter AEC-Q100 Qualified
MPQ4436A-33-AEC1	MPS	获取价格	45V、6A、低静态电流（IQ）、固定输出、同步降压变换器，符合 AEC-Q100 认证
MPQ4436A-AEC1	MPS	获取价格	45V、6A、低静态电流（IQ）同步降压变换器，带频谱扩展（FSS）功能且符合AEC-Q1
MPQ4436-AEC1	MPS	获取价格	45V、6A、低静态电流（IQ）同步降压变换器，符合AEC-Q100认证
MPQ4436B-AEC1	MPS	获取价格	45V、6A、低静态电流（IQ）同步降压变换器，符合 AEC-Q100 认证
MPQ4456	MPS	获取价格	1A, 4MHz, 36V 降压变换器
MPQ4456GQT	MPS	获取价格	Switching Regulator, Current-mode, 2.4A, 4000kHz Switching Freq-Max, PDSO10, 3 X 3 MM, MO-

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