MCP19111-E/MQ Microchip Integrated Circuit (Quad Flat No-Lead) In Stock

Name: MCP19111-E/MQ
Brand: Microchip
SKU: MCP19111-E/MQ
Availability: InStock

Microchip MCP19111-E/MQ is a current-mode PWM switching controller operating from 4.5 V to 32 V in a compact QFN-28 package. It supports programmable switching frequency and high-efficiency power conversion. Available with 6-week lead time and worldwide shipping.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

MCP19111-E/MQQuad Flat No-Lead

Quick Facts

Manufacturer: Microchip
Package: Quad Flat No-Lead
Pin Count: 28
Lifecycle: ACTIVE
Datasheet: MCP19111-E/MQ Datasheet PDF
Category: Integrated Circuit
Price: From $3.2093(MOQ 1)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of MCP19111-E/MQ?

Current-mode PWM control with input voltage range of 4.5 V to 32 V for versatile power supply designs
QFN-28 package enabling compact PCB layouts with excellent thermal performance for high-density power modules
Programmable switching frequency and soft-start for optimized efficiency across wide load ranges

What is MCP19111-E/MQ used for?

The MCP19111-E/MQ is designed for DC-DC buck, boost, and buck-boost converter designs in industrial and telecom power systems. Its 4.5 V to 32 V input range and current-mode control make it suitable for battery-powered equipment, point-of-load regulators, and multi-phase power stages. The QFN-28 package suits space-constrained applications requiring high power density and efficient heat dissipation.

What are the specifications of MCP19111-E/MQ?

Manufacturer Package Code	QFN-28
Factory Lead Time	6Weeks
YTEOL	13
Analog IC - Other Type	SWITCHING CONTROLLER
Control Mode	CURRENT-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	32V
Input Voltage-Min	4.5V
Input Voltage-Nom	12V
JESD-30 Code	S-PQCC-N28
JESD-609 Code	e3
Number of Functions	1
Output Voltage-Max	3.6V
Output Voltage-Min	0.5V
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	LCC28,.2SQ,20
Package Shape	SQUARE
Package Style	CHIP CARRIER
Qualification Status	Not Qualified
Screening Level	TS 16949
Surface Mount	YES
Switcher Configuration	BUCK
Switching Frequency-Max	1600kHz
Temperature Grade	AUTOMOTIVE
Terminal Finish	Matte Tin (Sn)
Terminal Form	NO LEAD
Terminal Pitch	0.5mm
Terminal Position	QUAD
Package	Quad Flat No-Lead

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
ECCN	EAR99
HTS Code	8542.39.00.01
Country of Origin	Thailand

Where can I find the MCP19111-E/MQ datasheet?

MCP19111-E/MQ Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for MCP19111-E/MQ?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What input voltage range does the MCP19111-E/MQ support, and which power topologies is it suited for?

The MCP19111-E/MQ operates across an input voltage range of 4.5 V to 32 V, making it compatible with 5 V, 12 V, and 24 V bus architectures commonly used in industrial and telecom systems. It supports buck, boost, and inverting converter topologies under current-mode PWM control for precise output regulation.

How does the QFN-28 package benefit high-density power module layouts for the MCP19111-E/MQ?

The QFN-28 package exposes a thermal pad on the bottom that improves heat dissipation, allowing the MCP19111-E/MQ to operate reliably in compact multi-rail power modules. With a 28-pin footprint smaller than equivalent SOIC packages, it enables tighter component placement and shorter power loop traces, reducing switching noise in sensitive 12 V rail designs.

When planning procurement, what lead time should be expected for the MCP19111-E/MQ?

The MCP19111-E/MQ carries a factory lead time of approximately 6 weeks from Microchip authorized distributors. Engineers designing new power supply boards should account for this lead time by ordering early in the design phase to avoid production delays, particularly when targeting 32 V industrial input rails with multi-phase configurations.

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AvailabilityIn Stock

Reference Price (USD)

From $3.2093

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$5.2200	$5.22
20+	$3.5659	$71.32
50+	$3.3520	$167.60
150+	$3.2093	$481.39

pcs

Unit price: $5.2200 · Total: $5.22

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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MCP19111-E/MQ Microchip Integrated Circuit (Quad Flat No-Lead) In Stock

What are the key features of MCP19111-E/MQ?

What is MCP19111-E/MQ used for?

What are the specifications of MCP19111-E/MQ?

Compliance & Regulatory

Where can I find the MCP19111-E/MQ datasheet?

What are equivalent replacements for MCP19111-E/MQ?

Frequently Asked Questions

What input voltage range does the MCP19111-E/MQ support, and which power topologies is it suited for?

How does the QFN-28 package benefit high-density power module layouts for the MCP19111-E/MQ?

When planning procurement, what lead time should be expected for the MCP19111-E/MQ?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Microchip

More from Microchip

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