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MPQ9843GL-Z

Name: MPQ9843GL-Z
Rating: 4.7 (12 reviews)

36V, 3A, LOW IQ, STEP-DOWN CONVE

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包 QFN-16
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
Series	Automotive, AEC-Q100, MPQ
ProductStatus	Active
Function	Step-Down
OutputConfiguration	Positive
Topology	Buck
OutputType	Adjustable
NumberofOutputs	1
Voltage-Input(Min)	3.3V
Voltage-Input(Max)	36V
Voltage-Output(Min/Fixed)	0.8V
Voltage-Output(Max)	36V
Current-Output	3A
Frequency-Switching	350kHz ~ 2.5MHz
SynchronousRectifier	Yes
OperatingTemperature	-40°C ~ 125°C (TJ)
MountingType	Surface Mount
Package/Case	16-PowerVQFN

概述

Description

MPQ9843GL-Z is a high-efficiency, synchronous buck regulator from Monolithic Power Systems (MPQ family). It integrates the high- and low-side MOSFETs to provide a complete DC-DC converter that steps down a higher input voltage to a regulated lower output. It uses current‑mode control with a fixed or programmable switching frequency, supports a wide input range, and offers adjustable output via a feedback network. Protective features typically include enable control, soft-start, overcurrent/short‑circuit protection, and thermal shutdown to enhance reliability. The device is suited for compact power boards powering CPUs, GPUs, FPGAs, memory, and automotive/industrial electronics. It is offered in a surface‑mount package (for example, QFN) with pins for VIN, GND, SW, FB, EN, and SS. For exact electrical specs, pinout, package details, and application guidelines, consult the MPQ9843GL-Z datasheet and related application notes from MPS.

Package

QFN package: 4x6 mm with an exposed pad (QFN-20).

Pinout

- Pin count: 16 pins (QFN package).
- Function: Synchronous buck DC-DC regulator with integrated high-side and low-side MOSFETs for efficient voltage regulation (power-management IC for stepping input down to a stable output).

Manufacturer

Manufacturer: Monolithic Power Systems (MPS).
Kind of company: A fabless semiconductor company that designs and markets power-management ICs (DC-DC converters, regulators, PMICs, LED drivers) for consumer, automotive, and industrial applications.

Application

MPQ9843GL-Z is a high-efficiency buck regulator used for compact, battery-powered PMICs. Common applications include:
- Mobile and wearable devices (smartphones, tablets, wearables, cameras)
- IoT and battery-powered sensors/edge devices
- Automotive electronics and telematics
- USB-C/PD power management and wall adapters
- Compact consumer and industrial electronics needing efficient DC-DC conversion