LT3579IUFD-1#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock

Name: LT3579IUFD-1#PBF
Brand: Analog Devices
SKU: LT3579IUFD-1#PBF
Availability: InStock

Analog Devices LT3579IUFD-1 is a multi-topology current-mode PWM switching regulator with 6 A output and 2.5 V to 16 V input range, housed in a compact 20-pin QFN package for flexible DC/DC power conversion in portable and industrial systems.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

LT3579IUFD-1#PBFQuad Flat No-Lead

Quick Facts

Manufacturer: Analog Devices
Package: Quad Flat No-Lead
Pin Count: 20
Lifecycle: ACTIVE
Datasheet: LT3579IUFD-1#PBF Datasheet PDF
Category: Integrated Circuit
Price: From $5.0500(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 LT3579IUFD-1#PBF?

Multi-topology configuration supporting buck, boost, and inverting modes with 6 A output current from a single IC for design flexibility
Current-mode PWM control with 2.5 V to 16 V input range enabling efficient power conversion from single-cell Li-Ion up to 12 V bus rails
Compact 20-pin QFN package minimizing PCB footprint while supporting high-current switching regulator designs for space-constrained applications

What is LT3579IUFD-1#PBF used for?

The LT3579IUFD-1 is designed for portable consumer electronics, industrial handheld devices, and multi-rail power supply boards where a single IC must handle different conversion topologies from a 2.5 V to 16 V input. Its multi-configuration capability supports buck mode for stepping down from a 12 V rail, boost mode for generating higher voltages from a Li-Ion cell, and inverting mode for generating negative supply rails in audio or analog signal chains. The 6 A output current and current-mode PWM control make it suitable for demanding loads in test equipment, medical portables, and embedded computing modules.

What are the specifications of LT3579IUFD-1#PBF?

Pbfree Code	No
Manufacturer Package Code	05-08-1711
YTEOL	10
Analog IC - Other Type	SWITCHING REGULATOR
Control Mode	CURRENT-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	16V
Input Voltage-Min	2.5V
Input Voltage-Nom	5V
JESD-30 Code	R-PQCC-N20
JESD-609 Code	e3
Number of Functions	1
Output Current-Max	9.4A
Package Body Material	PLASTIC/EPOXY
Package Shape	RECTANGULAR
Package Style	CHIP CARRIER
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Surface Mount	YES
Switcher Configuration	BOOST
Switching Frequency-Max	2800kHz
Technology	BIPOLAR
Temperature Grade	AUTOMOTIVE
Terminal Finish	Matte Tin (Sn)
Terminal Form	NO LEAD
Terminal Pitch	0.5mm
Terminal Position	QUAD
Time@Peak Reflow Temperature-Max (s)	30
Package	Quad Flat No-Lead

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.01
Country of Origin	Malaysia

Where can I find the LT3579IUFD-1#PBF datasheet?

LT3579IUFD-1#PBF Datasheet Download

Official datasheet from Analog Devices

What are equivalent replacements for LT3579IUFD-1#PBF?

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

Frequently Asked Questions

What converter topologies can the LT3579IUFD-1 implement and what advantages does this flexibility offer designers?

The LT3579IUFD-1 supports multiple switching regulator configurations including buck, boost, and inverting topologies from a single 20-pin QFN IC. This multi-topology capability allows engineers to standardize on one part number for different power conversion needs within the same product family, reducing SKU count and simplifying procurement for boards requiring both step-down and step-up power rails.

What input voltage range does the LT3579IUFD-1 support and which battery types is it directly compatible with?

The LT3579IUFD-1 operates from 2.5 V to 16 V input, covering single-cell Li-Ion batteries (2.7 V to 4.2 V), dual-cell Li-Ion packs (5.4 V to 8.4 V), and regulated 5 V or 12 V DC bus rails. This wide range makes it compatible with portable consumer electronics, laptop peripherals, and industrial equipment powered from a variety of standard battery and supply configurations.

How does current-mode PWM control in the LT3579IUFD-1 improve transient response compared to voltage-mode control?

Current-mode PWM control in the LT3579IUFD-1 senses inductor current on a cycle-by-cycle basis, providing inherent over-current protection and faster load transient response than voltage-mode regulators. This allows the output voltage to recover within a few microseconds during sudden load steps up to 6 A, making it suitable for processor core power supplies and communications equipment where rapid current demands must be met without exceeding ±5% output voltage deviation.

What is the package footprint of the LT3579IUFD-1 and how does it compare to a competing through-hole power module?

The LT3579IUFD-1 uses a 20-pin QFN package measuring approximately 4 mm x 4 mm, far smaller than a through-hole power module which typically occupies 20 mm x 20 mm or more. This compact footprint allows the switching regulator and its external inductor and capacitors to fit within a 1 cm² total area on a dense multilayer PCB, enabling high power density designs for portable and space-constrained industrial applications.

Why Buy from FindMyChip

Authorized Source

Verified supply chain with full traceability & inspection

Competitive Pricing

Factory-direct from China distributors, low MOQ

Fast Shipping

DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide

Quality Guaranteed

30-day replacement for defective parts, no questions asked

About Analog Devices

Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.

View all Analog Devices parts →

More from Analog Devices

LT3062EDCB#TRPBF

Small Outline No-lead

Integrated Circuit

LT3062EDCB#TRMPBF

Small Outline No-lead

Integrated Circuit

LT8641IUDC#TRPBF

Other

Integrated Circuit

HMC412AMS8GTR

Small Outline Packages

Integrated Circuit

LT3062HMS8E#PBF

Small Outline Packages

Integrated Circuit

LT3062IMS8E#PBF

Small Outline Packages

Integrated Circuit

AvailabilityIn Stock

Reference Price (USD)

From $5.0500

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$11.4400	$11.44
10+	$7.8350	$78.35
19+	$6.6900	$127.11
500+	$5.9900	$2995.00
1000+	$5.0500	$5050.00

pcs

Unit price: $11.4400 · Total: $11.44

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”

Rajesh Patel

Procurement Manager, VoltEdge Energy, India

LT3579IUFD-1#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock

What are the key features of LT3579IUFD-1#PBF?

What is LT3579IUFD-1#PBF used for?

What are the specifications of LT3579IUFD-1#PBF?

Compliance & Regulatory

Where can I find the LT3579IUFD-1#PBF datasheet?

What are equivalent replacements for LT3579IUFD-1#PBF?

Frequently Asked Questions

What converter topologies can the LT3579IUFD-1 implement and what advantages does this flexibility offer designers?

What input voltage range does the LT3579IUFD-1 support and which battery types is it directly compatible with?

How does current-mode PWM control in the LT3579IUFD-1 improve transient response compared to voltage-mode control?

What is the package footprint of the LT3579IUFD-1 and how does it compare to a competing through-hole power module?

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 Analog Devices

More from Analog Devices

You May Also Like