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UCC33420

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5V/5V 1.5W 3kVrms isolated DC-DC module with integrated transformer

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Data sheet

UCC33420

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Data sheet Order now

Product details

Features 1.5W, Basic isolation, Regulated, Single output Output power (W) 1.5 Vin (min) (V) 4.5 Vin (max) (V) 5.5 Vout (max) (V) 5.7 Device type Isolated modules Isolation rating Basic Regulated outputs (#) 1 Rating Catalog Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Vout (min) (V) 4.85
Features 1.5W, Basic isolation, Regulated, Single output Output power (W) 1.5 Vin (min) (V) 4.5 Vin (max) (V) 5.5 Vout (max) (V) 5.7 Device type Isolated modules Isolation rating Basic Regulated outputs (#) 1 Rating Catalog Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Vout (min) (V) 4.85
VSON-FCRLF (RAQ) 12 20 mm² 5 x 4
  • 1.5W Maximum output power
  • 4.5V to 5.5V input voltage operation range
  • 5.0V, 5.5V regulated selectable output voltage
    • 5.0V: 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 (4.00mm × 5.00mm) package
  • 1.5W Maximum output power
  • 4.5V to 5.5V input voltage operation range
  • 5.0V, 5.5V regulated selectable output voltage
    • 5.0V: 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 (4.00mm × 5.00mm) package

UCC33420 is an industrial DC/DC power module with integrated transformer technology designed to provide 1.5W of isolated output power. It can support an input voltage operation range of 4.5V to 5.5V and regulate 5.0V output voltage with a selectable headroom of 5.5V.

UCC33420 features a proprietary transformer architecture that achieves a 3kVRMS isolation rating, while simultaneously supporting low EMI and excellent load regulation.

The UCC33420 integrates protection features for increased system robustness such as enable pin with fault reporting mechanism, short circuit protection and thermal shutdown.

The UCC33420 comes in a miniaturized, low-profile solution VSON (4.00mm × 5.00mm) package with 1.00mm height and > 4.1mm creepage and clearance

UCC33420 is an industrial DC/DC power module with integrated transformer technology designed to provide 1.5W of isolated output power. It can support an input voltage operation range of 4.5V to 5.5V and regulate 5.0V output voltage with a selectable headroom of 5.5V.

UCC33420 features a proprietary transformer architecture that achieves a 3kVRMS isolation rating, while simultaneously supporting low EMI and excellent load regulation.

The UCC33420 integrates protection features for increased system robustness such as enable pin with fault reporting mechanism, short circuit protection and thermal shutdown.

The UCC33420 comes in a miniaturized, low-profile solution VSON (4.00mm × 5.00mm) package with 1.00mm height and > 4.1mm creepage and clearance
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Technical documentation

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* Data sheet UCC33420 Ultra-Small, 1.5W , 5.0V , 3kVRMS Isolation, Industrial DC/DC Module datasheet (Rev. D) PDF | HTML 19 Jun 2024
Technical article 微型隔離式 DC/DC 模組如何實現更高的功率密度 PDF | HTML 20 Feb 2024
Technical article 초소형 절연 DC/DC 모듈로 더 높은 전력 밀도를 구현하는 방법 PDF | HTML 20 Feb 2024
Technical article How a tiny isolated DC/DC module is enabling higher power density PDF | HTML 17 Feb 2024
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
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Reference designs

PMP23421 — Multiphase four-switch buck-boost DC/DC converter reference design

This reference design is a digitally controlled, gallium nitride (GaN) based, four-switch buck-boost DC/DC converter used for battery backup (BBU) application. This design has a total of seven phases. Six phases are connected in parallel for battery discharging operation providing up to 8.1kW (...)
Test report: PDF
Package Pins CAD symbols, footprints & 3D models
VSON-FCRLF (RAQ) 12 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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