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LTC3728EUHTRPBF — QFN-24/32 package (representative)
QFN-24/32
Representative of package type
Linear Technology

LTC3728EUHTRPBF

Switching Regulator Controller · QFN-32 (5x5) · Analog
Part Status: Active
Data last refreshed Jul 28, 2026
Manufacturer
Linear Technology
Mfr Part #
LTC3728EUHTRPBF
Series
LTC3728
Category
Switching Regulator Controller
Datasheet
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Availability & Pricing
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Product Attributes

Electrical & Parametric
Input Voltage4V-30V
Switching Frequency550kHz
Outputs2
Physical & Thermal
Package / CaseQFN-32 (5x5)
Mounting TypeSurface Mount
SeriesLTC3728
Operating Temperature-40°C ~ 85°C
Classification & Lifecycle
CategorySwitching Regulator Controller
TypeAnalog
Part StatusActive

Dual synchronous step-down switching regulator controller, 4-30V in, 550kHz, QFN-32

Environmental & Export Classifications

RoHS Status
RoHS Compliant

Part Activity

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Engineering FAQ

What are the key specifications of LTC3728EUHTRPBF?
Input Voltage: 4V-30V; Switching Frequency: 550kHz; Outputs: 2.
What package is LTC3728EUHTRPBF supplied in?
LTC3728EUHTRPBF is supplied in the QFN-32 (5x5) package, surface mount, rated -40°C ~ 85°C.
Can ZDI source LTC3728EUHTRPBF beyond the quantities shown?
Yes — ZD Integrated Circuits specializes in sourcing hard-to-find, obsolete, and excess electronic components through its global network, with counterfeit-avoidance inspection on every lot. Submit an RFQ with your target quantity for availability and pricing.

Documents & Media

Quality & Counterfeit Avoidance

ISO 9001 ERAI Member ESD Certified GIDEP Participant ZDI EQuality Process CAGE Code 1V8K2

ZD Integrated Circuits operates an ISO 9001-certified quality system incorporating JEDEC-standard process-control elements. In an era of global sourcing and internet procurement, standards compliance alone no longer assures component authenticity — so ZDI pioneered a multi-layered counterfeit-avoidance program: supplier analysis at the source-country level, detailed component analysis, defined inspection standards for all incoming devices, and stringent supplier rating and review. These programs let ZDI guarantee the integrity and the source of every component it ships.

Every lot moves through ZDI's EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with Quality-Manager disposition before release. Nonconforming material is quarantined; conforming material is warehoused or shipped.

✓Multi-stage EQuality Process™ inspection (QI-1 · QI-2/camera · QI-3)
✓Source-country supplier analysis, rating & review
✓Incoming inspection, RoHS verification, bake, full lot traceability
✓ESD-controlled handling · authentic parts guaranteed

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