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Home Products Integrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching Regulators~~MIC24045-EIYFL-TR~~

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MIC24045-EIYFL-TR - Microchip Technology

Name: Microchip Technology MIC24045-EIYFL-TR
Brand: Microchip Technology
SKU: MIC24045-EIYFL-TR
Availability: InStock
Rating: 5 (2 reviews)

Manufacturer Part Number: MIC24045-EIYFL-TR

Manufacturer: Microchip Technology

Allelco Part Number: 32D-MIC24045-EIYFL-TR

Warranty: 1 Year Allelco Warranty - Find out more

Parts Description: IC REG BUCK PROG 5A 20FQFN

Package: 20-FQFN (3x3)

Data sheet: 1.MIC24045-EIYFL-.pdf ...

Datasheets
Cylindrical Battery Holders.pdf

PCN Design/Specification
Cylindrical Battery Holders.pdf

PCN Packaging
2.73KHz.pdf

RoHs Status: ROHS3 Compliant

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Specifications

MIC24045-EIYFL-TR Tech Specifications
Microchip Technology - MIC24045-EIYFL-TR technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - MIC24045-EIYFL-TR

Product Attribute	Attribute Value
Manufacturer	Microchip Technology
Voltage - Output (Min/Fixed)	1.2V
Voltage - Output (Max)	-
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	19V
Topology	Buck
Synchronous Rectifier	Yes
Supplier Device Package	20-FQFN (3x3)
Series	-
Package / Case	20-PowerVFQFN

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Output Type	Programmable
Output Configuration	Positive
Operating Temperature	-40°C ~ 125°C (TJ)
Number of Outputs	1
Mounting Type	Surface Mount
Function	Step-Down
Frequency - Switching	780kHz
Current - Output	5A
Base Product Number	MIC24045

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Parts Introduction

Manufacturer Part Number

MIC24045-EIYFL-TR

Manufacturer

Microchip Technology

Introduction

Portable switching voltage regulator for power management applications

Product Features and Performance

Step-Down (Buck) topology

Programmable output voltage

Integrated synchronous rectifier for high efficiency

Single output channel

High switching frequency of 780kHz

Supports a wide input voltage range from 4.5V to 19V

Capable of delivering up to 5A output current

Operating temperature range from -40°C to 125°C

Surface mount technology for compact PCB design

Product Advantages

High efficiency due to synchronous rectification

Flexible input voltage suitable for various applications

High output current capacity for demanding loads

Thermal performance optimized for a broad range of temperatures

Compact PowerVFQFN package conserves board space

Key Technical Parameters

Voltage - Input (Min): 4.5V

Voltage - Input (Max): 19V

Voltage - Output (Min/Fixed): 1.2V

Current - Output: 5A

Frequency - Switching: 780kHz

Operating Temperature -40°C ~ 125°C

Quality and Safety Features

Robust thermal performance

Designed for high-reliability applications

Built-in safety features to ensure protection against overcurrent and thermal overload

Compatibility

Compatible with a broad range of input voltages

Surface mount 20-PowerVFQFN package integrates into various PCB designs

Application Areas

Portable and mobile devices

Networking equipment

Data storage systems

Point-of-Load (POL) power supplies

Consumer electronics

Product Lifecycle

Active product status

Not reported as nearing discontinuation

Several Key Reasons to Choose This Product

High efficiency for energy-saving applications

Wide input voltage range offers design flexibility

High output current capability for power-intensive devices

Compact size for space-constrained designs

Reliable performance across a wide temperature range

Advanced packaging technology compatible with modern manufacturing processes

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology MIC24045-EIYFL-TR

Product Attribute
Part Number	MIC24045-DIYFL-TR	MIC24045-KDYFL-TR	MIC24045-JFYFL-TR	MIC24045-2ZYFL-TR
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Voltage - Output (Max)	-	-	-	-
Output Configuration	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Voltage - Input (Min)	-	-	-	-
Frequency - Switching	-	-	-	-
Series	-	-	-	-
Current - Output	-	-	-	-
Synchronous Rectifier	-	-	-	-
Voltage - Input (Max)	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Function	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Number of Outputs	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Topology	-	-	-	-
Output Type	-	Current - Unbuffered	Voltage - Buffered	-
Voltage - Output (Min/Fixed)	-	-	-	-

MIC24045-EIYFL-TR Datasheet PDF

Download MIC24045-EIYFL-TR pdf datasheets and Microchip Technology documentation for MIC24045-EIYFL-TR - Microchip Technology.

Datasheets: Cylindrical Battery Holders.pdf
PCN Design/Specification: Cylindrical Battery Holders.pdf
PCN Packaging: 2.73KHz.pdf

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Customer Reviews

Evaluation: 10 Articles

Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.
Kevi***.

Mar 17, 2026

Fast switching and stable output. Very satisfied with this IC
Daou***hekebkeb

Jun 16, 2024

I had a great experience purchasing items from Allelcoelec, I recommend
Uri ***al

Jun 19, 2024

Good comunication,
Transpnt regarding the process and price.
Yaqu***l Ali

Jun 19, 2024

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.
Lea ***

Jun 19, 2024

Morrey was very helpful and right on top of things!
He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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