Datasheet > MPQ8633AGL

MPQ8633AGL

更新时间： 2024-02-28 00:46:02

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
23页	1408K
描述
16 V, 12 A, Synchronous Step-Down Converter with Adjustable Current Limit, Programmable Frequency, and Voltage Tracking

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MPQ8633AGL 数据手册

MPQ8633A

16 V, 12 A, Synchronous Step-Down

Converter with Adjustable Current Limit,

Programmable Frequency, and Voltage Tracking

The Future of Analog IC Technology

DESCRIPTION

FEATURES

The MPQ8633A is a fully integrated, high-

frequency, synchronous buck converter. It

offers a very compact solution to achieve up to

12 A output current over a wide input supply

range with excellent load and line regulation.

The MPQ8633A operates at high efficiency

over a wide output current load range.



Wide Input Voltage Range from 2.7 V:

--2.7 V to 16 V with External 3.3 V Bias,

--4 V to 16 V with Internal Bias or External

3.3 V Bias

Differential Output Voltage Remote Sense

Programmable Accurate Current Limit Level

12 A Output Current

Low R_DS(_ON) Integrated Power MOSFETs

Proprietary Switching Loss Reduction

Technique

Adaptive COT for Ultrafast Transient

Response

Stable with Zero ESR Output Capacitor

0.5% Reference Voltage over 0C to

+70C Junction Temperature Range

1% Reference Voltage from -40C to

+125C Junction Temperature Range

Selectable Pulse Skip or Forced CCM

Operation



The MPQ8633A adopts internally compensated

constant-on-time (COT) control mode that

provides fast transient response and eases loop

stabilization.



The operating frequency is set easily to

600 kHz, 800 kHz, or 1000 kHz with the MODE



configuration,

allowing

the

MPQ8633A

frequency to remain constant regardless of the

input/output voltages.



The output voltage start-up ramp is controlled

by an internal 1 ms timer. It can be increased

by adding a capacitor on TRK/REF. An open-

drain power good signal indicates the output is

within its nominal voltage range. The PGOOD is

clamped to around 0.7V with external pull-up

voltage when the input supply fails to power the

MPQ8633A.



Excellent Load Regulation

Output Voltage Tracking

Output Voltage Discharge

PGOOD Active Clamped Low Level during

Power Failure



Programmable Soft-Start Time from 1 ms

Pre-Bias Start-Up

Fully integrated protection features include OCP,

OVP, UVP, and OTP.

Selectable Switching Frequency from

600 kHz, 800 kHz, and 1000 kHz

Non-Latch OCP, UVP, UVLO, Thermal

Shutdown, and Latch-Off for OVP.

Output Adjustable from 0.6 V to 90%*Vin,

up to 5.5 V Max.

The MPQ8633A requires a minimum number of

readily available, standard, external components

and is available in a QFN 3mm x 4mm package.



Available in a QFN 3mm x 4mm Package

APPLICATIONS



Telecom and Networking Systems

Servers

Base Stations

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.

MPQ8633A Rev.1.03

8/21/2017

www.MonolithicPower.com

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

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与MPQ8633AGL相关器件

型号	品牌	获取价格	描述	数据表
MPQ8633AGLE	MPS	获取价格	16 V, 12 A, Synchronous Step-Down Converter with Adjustable Current Limit, Programmable Fr
MPQ8633A-H	MPS	获取价格	16V、12A、同步降压变换器，具有可调电流限、可调频率和电压跟踪功能
MPQ8633B	MPS	获取价格	16V, 20A, Synchronous, Step-Down Converter with Adjustable Current Limit, Programmable Fre
MPQ8633BGLE	MPS	获取价格	16V, 20A, Synchronous, Step-Down Converter with Adjustable Current Limit, Programmable Fre
MPQ8633B-H	MPS	获取价格	16V、20A、同步降压变换器，具有可调电流限、可调频率和电压跟踪功能
MPQ8634A	MPS	获取价格	16V, 12A 降压变换器，具有可调电流限、可编程频率以及电压跟踪功能
MPQ8634AGLE	MPS	获取价格	Switching Regulator,
MPQ8634AGLE-Z	MPS	获取价格	Switching Regulator,
MPQ8634AGLE-Z-Z	MPS	获取价格	Switching Regulator,
MPQ8634B	MPS	获取价格	16V、20A、同步降压变换器，具有可调电流限、可编程频率以及电压跟踪功能

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