Datasheet > MPQ4415MGQBE-AEC1

MPQ4415MGQBE-AEC1

更新时间： 2022-02-26 11:44:54

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
22页	1819K
描述
1.5A, 36V, 2.2MHz, High-Efficiency, Synchronous, Step-Down Converter AEC-Q100 Qualified

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MPQ4415MGQBE-AEC1 数据手册

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MPQ4415M – 36V, 1.5A, 2.2MHz, SYNCHRONOUS, STEP-DOWN CONVERTER

PIN FUNCTIONS

Package

Pin #

Name Description

Supply voltage. IN supplies power for the internal MOSFET and regulator. The

MPQ4415M operates from a 4V to 36V input rail. A low ESR and low-inductance

capacitor is required to decouple the input rail. Place the input capacitor very close to IN

and connect it with wide PCB traces and multiple vias.

1, 2

No connection. Do not connect.

Power good indicator. The output of PG is an open drain and goes high if the output

voltage exceeds 88% of the nominal voltage.

Enable/synchronize. Pull EN/SYNC high to enable the MPQ4415M. Float EN/SYNC or

EN/SYNC connect EN/SYNC to ground to disable the MPQ4415M. If an external sync clock is

applied to EN/SYNC, the internal clock follows the sync frequency.

Feedback. Connect FB to the tap of an external resistor divider from the output to AGND

to set the output voltage. The frequency foldback comparator lowers the oscillator

frequency when the FB voltage is below 400mV to prevent current limit runaway during a

short-circuit fault. Place the resistor divider as close to FB as possible. Avoid placing vias

on the FB traces.

Internal bias supply. Decouple VCC with a 0.1μF - 0.22μF capacitor. The capacitance

should be no more than 0.22μF.

VCC

Analog ground. AGND is the reference ground of the logic circuit. AGND is connected to

PGND internally. There is no need to add external connections to PGND.

AGND

Switch output. Connect SW using a wide PCB trace.

Bootstrap. A capacitor connected between SW and BST is required to form a floating

supply across the high-side switch driver. A 20Ω resistor placed between the SW and

BST capacitor is strongly recommended to reduce SW voltage spikes.

BST

Power ground. PGND is the reference ground of the power device and requires careful

11, 12, 13

PGND consideration during PCB layout. For best results, connect PGND with copper pours and

vias.

MPQ4415M Rev. 1.01

9/30/2017

www.MonolithicPower.com

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

1 2 3 456 7 8...22

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