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Isolated power modules (integrated transformer)

UCC33410

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5V to 3.3V, 1W, 3kVrms isolated DC-DC module with integrated transformer

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Data sheet

UCC33410

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Data sheet Order now

Product details

Rating Catalog Vin (max) (V) 5.5 Vin (min) (V) 4.5 Vout (max) (V) 3.4 Vout (min) (V) 3.2 Features 1W, Basic isolation, Regulated, Single output Device type Isolated modules Regulated outputs (#) 1 TI functional safety category Functional Safety-Capable Isolation rating Basic Output power (W) 1 Operating temperature range (°C) -40 to 125
Rating Catalog Vin (max) (V) 5.5 Vin (min) (V) 4.5 Vout (max) (V) 3.4 Vout (min) (V) 3.2 Features 1W, Basic isolation, Regulated, Single output Device type Isolated modules Regulated outputs (#) 1 TI functional safety category Functional Safety-Capable Isolation rating Basic Output power (W) 1 Operating temperature range (°C) -40 to 125
VSON-FCRLF (RAQ) 12 20 mm² 4 x 5
  • 1.0W Maximum output power
  • 4.5V to 5.5V input voltage operation range
  • 3.3V, 3.7V regulated selectable output voltage
    • 3.3V: 300mA available load current
  • 0.5% typical load regulation
  • 2mV/V typical line regulation
  • Robust isolation barrier:
    • Isolation rating: 3kVRMS
    • Surge capability: 6.5kVPK
    • Working voltage: 1159VPK
    • 200V/ns common mode transient immunity
  • Power dense isolated DC/DC module with integrated transformer technology
  • Adaptive spread spectrum modulation (SSM)
  • Meets CISPR32 Class B emission
  • Strong magnetic fields immunity
  • Overload and short circuit protection
  • Thermal shutdown
  • Low inrush current soft-start
  • Enable pin with fault reporting mechanism
  • Planned Safety-related certifications:
    • Basic isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 3kVRMS isolation for 1 minute per UL 1577
    • UL certification per IEC 62368-1, and IEC 60601-1 end equipment standards
    • CQC approval per GB4943.1-2022
  • Extended temperature range: –40°C to 125°C
  • VSON-12 (4.0mm × 5.00mm) package
  • 1.0W Maximum output power
  • 4.5V to 5.5V input voltage operation range
  • 3.3V, 3.7V regulated selectable output voltage
    • 3.3V: 300mA available load current
  • 0.5% typical load regulation
  • 2mV/V typical line regulation
  • Robust isolation barrier:
    • Isolation rating: 3kVRMS
    • Surge capability: 6.5kVPK
    • Working voltage: 1159VPK
    • 200V/ns common mode transient immunity
  • Power dense isolated DC/DC module with integrated transformer technology
  • Adaptive spread spectrum modulation (SSM)
  • Meets CISPR32 Class B emission
  • Strong magnetic fields immunity
  • Overload and short circuit protection
  • Thermal shutdown
  • Low inrush current soft-start
  • Enable pin with fault reporting mechanism
  • Planned Safety-related certifications:
    • Basic isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 3kVRMS isolation for 1 minute per UL 1577
    • UL certification per IEC 62368-1, and IEC 60601-1 end equipment standards
    • CQC approval per GB4943.1-2022
  • Extended temperature range: –40°C to 125°C
  • VSON-12 (4.0mm × 5.00mm) package

UCC33410 is an industrial DC/DC power module with integrated transformer technology designed to provide 1.0W of isolated output power. It can support an input voltage operation range of 4.5V to 5.5V and regulate 3.3V output voltage with a selectable headroom of 3.7V.

UCC33410 features a proprietary transformer architecture that achieves a 3kVRMS isolation rating, while simultaneously supporting low EMI and excellent load regulation.

The UCC33410 integrates protection features for increased system robustness such as enable pin with fault reporting mechanism, short circuit protection and thermal shutdown.

The UCC33410 comes in a miniaturized, low-profile solution VSON (4.0mm × 5.00mm) package with 1.00mm height and > 4.1mm creepage and clearance

UCC33410 is an industrial DC/DC power module with integrated transformer technology designed to provide 1.0W of isolated output power. It can support an input voltage operation range of 4.5V to 5.5V and regulate 3.3V output voltage with a selectable headroom of 3.7V.

UCC33410 features a proprietary transformer architecture that achieves a 3kVRMS isolation rating, while simultaneously supporting low EMI and excellent load regulation.

The UCC33410 integrates protection features for increased system robustness such as enable pin with fault reporting mechanism, short circuit protection and thermal shutdown.

The UCC33410 comes in a miniaturized, low-profile solution VSON (4.0mm × 5.00mm) package with 1.00mm height and > 4.1mm creepage and clearance
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Technical documentation

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Type Title Date
* Data sheet UCC33410 Ultra-Small, 1.0W , 3.3V , 3kVRMS Isolation, Industrial DC/DC Module datasheet PDF | HTML 19 Jun 2024
Application note How to Pass CISPR25 Class 5 for UCC33420-Q1 PDF | HTML 10 Nov 2025
Certificate IEC 60601 Certificate of Compliance 31 Oct 2025
Certificate IEC 62368 Certificate of Compliance 31 Oct 2025
Application note How to Pass CISPR32 Class B for UCC33420-Q1 PDF | HTML 29 Oct 2025
Certificate UCC33410-Q1 Certificate of Compliance CISPR25 Class 5 28 Oct 2025
Certificate UCC33410-Q1 Certificate of Compliance CISPR32 Class B 20 Aug 2025
Certificate UL1577 Certificate of Compliance 16 Jul 2025
Functional safety information UCC33010(Q1) UCC33020(Q1) UCC33410(Q1) UCC33420(Q1) Functional Safety FIT Rate, FMD and Pin FMA (Rev. A) PDF | HTML 08 May 2025
Certificate UCC33420EVM-080 EU Declaration of Conformity (DoC) 19 Jan 2024

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

UCC33420EVM-080 — UCC33420 evaluation module

The UCC33420EVM-080 is intended to allow designers to evaluate the performance and capabilities of the UCC33420. UCC33420 is an isolated DC/DC converter module able to deliver 1.5W with 3kVrms of isolation in a very small and compact VSON-12 (4 mm by 5 mm by 1 mm) package, reducing footprint and (...)

User guide: PDF | HTML
Not available on TI.com
Simulation model

UCC3341x and UCC3341x-Q1 SIMPLIS Model (Rev. A)

SLUM919A.ZIP (88 KB) - SIMPLIS Model
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Calculation tool

UCC3341X-CALC — Soft-start rise time calculator

This calculator is used to calculate the soft-start rise time for UCC3341x devices with different load and output capacitor configurations
Supported products & hardware

Supported products & hardware

Products
Isolated power modules (integrated transformer)
  • UCC33410 — 5V to 3.3V, 1W, 3kVrms isolated DC-DC module with integrated transformer
  • UCC33410-Q1 — Automotive, 5V to 3.3V, 1W, 3kVrms isolated DC-DC module with integrated transformer
  • UCC33411-Q1 — Automotive, 5-V/3.3-V, 1-W, 5-kVrms isolated DC-DC module with integrated transformer
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Reference designs

TIDA-010247 — High-accuracy battery management unit reference design for 48–1500V energy storage system

This reference design is a high-side, N-channel MOSFET control (up to 32s) battery management unit (BMU), using the stacked BQ769x2 battery monitor family. This design also integrates a CAN interface for BMU stacking high-voltage (up to 1500V) energy storage station applications. High-side, (...)
Design guide: PDF
Package Pins CAD symbols, footprints & 3D models
VSON-FCRLF (RAQ) 12 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

Ordering & quality

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Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

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