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Isolated power modules (integrated transformer)

UCC12040

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500 mW, high efficiency 3 kVrms isolated DC-DC converter

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Data sheet

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NEW UCC33420 PREVIEW 5V/5V 1.5W 3kVrms isolated DC-DC module with integrated transformer Smaller footprint, increased power and efficiency.

UCC12040

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Data sheet Order now

Product details

Features 0.5W, Basic isolation, Regulated, Single output Output power (W) 0.5 Vin (min) (V) 4.5 Vin (max) (V) 5.5 Vout (max) (V) 5 Device type Isolated modules Isolation rating Basic Regulated outputs (#) 1 Rating Catalog Operating temperature range (°C) -40 to 125 Topology Full-bridge Control mode Internally Regulated with 3.3V or 5V Select Vout (min) (V) 3.3
Features 0.5W, Basic isolation, Regulated, Single output Output power (W) 0.5 Vin (min) (V) 4.5 Vin (max) (V) 5.5 Vout (max) (V) 5 Device type Isolated modules Isolation rating Basic Regulated outputs (#) 1 Rating Catalog Operating temperature range (°C) -40 to 125 Topology Full-bridge Control mode Internally Regulated with 3.3V or 5V Select Vout (min) (V) 3.3
SO-MOD (DVE) 16 106.09 mm² 10.3 x 10.3
  • High-density DC/DC module with optimized integrated transformer technology
  • Input voltage range: 4.5 V to 5.5 V
  • Output voltages (selectable): 5.4 V, 5.0 V, 3.7 V, 3.3 V
  • Output power: 500 mW
  • Peak efficiency: 60%
  • Line regulation (typical): 1%
  • Load regulation (typical): 1.5%
  • Meets CISPR32 Class B EMI limits without ferrite beads on a 2-layer PCB
  • Spread spectrum modulation (SSM)
  • Robust isolation barrier:
    • Isolation rating: 3 kVRMS
    • Surge capability: 6.5 kVPK
    • Working voltage: 850 VRMS
    • CMTI (typical): ±100 V/ns
  • Short circuit recovery
  • Thermal shutdown
  • 16-pin wide-body SOIC package with > 8-mm creepage and clearance
  • Extended temperature range: –40°C to 125°C
  • Safety-related certifications:

    • 5657-VPK basic isolation per DIN V VDE V 0884-11:2017- 01

    • 3000-VRMS isolation for 1 minute per UL 1577

    • UL certification per IEC 60950-1, IEC 62368- 1 and IEC 60601-1 end equipment standards
    • CQC approval per GB4943.1-2011
  • High-density DC/DC module with optimized integrated transformer technology
  • Input voltage range: 4.5 V to 5.5 V
  • Output voltages (selectable): 5.4 V, 5.0 V, 3.7 V, 3.3 V
  • Output power: 500 mW
  • Peak efficiency: 60%
  • Line regulation (typical): 1%
  • Load regulation (typical): 1.5%
  • Meets CISPR32 Class B EMI limits without ferrite beads on a 2-layer PCB
  • Spread spectrum modulation (SSM)
  • Robust isolation barrier:
    • Isolation rating: 3 kVRMS
    • Surge capability: 6.5 kVPK
    • Working voltage: 850 VRMS
    • CMTI (typical): ±100 V/ns
  • Short circuit recovery
  • Thermal shutdown
  • 16-pin wide-body SOIC package with > 8-mm creepage and clearance
  • Extended temperature range: –40°C to 125°C
  • Safety-related certifications:

    • 5657-VPK basic isolation per DIN V VDE V 0884-11:2017- 01

    • 3000-VRMS isolation for 1 minute per UL 1577

    • UL certification per IEC 60950-1, IEC 62368- 1 and IEC 60601-1 end equipment standards
    • CQC approval per GB4943.1-2011

UCC12040 is a DC/DC power module with 3-kVRMSbasic isolation rating designed to provide efficient, isolated power to isolated circuits that require a bias supply with a well-regulated output voltage. The device integrates a transformer and DC/DC controller with a proprietary architecture to provide 500 mW (typical) of isolated power with low EMI.

The UCC12040 integrates protection features for increased system robustness. The device also has an enable pin, synchronization capability, and regulated 5-V or 3.3-V output options with headroom. The UCC12040 is a low-profile, miniaturized solution offered in a wide-body SOIC package with 2.65-mm height.

UCC12040 is a DC/DC power module with 3-kVRMSbasic isolation rating designed to provide efficient, isolated power to isolated circuits that require a bias supply with a well-regulated output voltage. The device integrates a transformer and DC/DC controller with a proprietary architecture to provide 500 mW (typical) of isolated power with low EMI.

The UCC12040 integrates protection features for increased system robustness. The device also has an enable pin, synchronization capability, and regulated 5-V or 3.3-V output options with headroom. The UCC12040 is a low-profile, miniaturized solution offered in a wide-body SOIC package with 2.65-mm height.
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Technical documentation

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Type Title Date
* Data sheet UCC12040 High-Density, Low-EMI, 3-kVRMSBasic Isolation DC/DC Module datasheet (Rev. B) PDF | HTML 13 Jan 2021
Certificate CQC Certificate of Compliance to GB4943.1-2022 CQC20001268791 16 Aug 2024
Certificate UCC12040, UCC12041-Q1, CQC Certificate of Compliance to GB4943.1-2022 CQC20001268791 16 Aug 2024
White paper 신뢰할 수 있는 합리적 가격대의 절연 기술 개발과 관련한 고전압 설계 문제의 해결 (Rev. C) PDF | HTML 16 May 2024
White paper 以可靠且經濟實惠的隔離技術解決高電壓設計挑戰 (Rev. C) PDF | HTML 07 Mar 2024
White paper Time-Saving and Cost-Effective Innovations for EMI Reduction (Rev. A) PDF | HTML 28 Nov 2023
White paper Addressing High-Volt Design Challenges w/ Reliable and Affordable Isolation Tech (Rev. C) PDF | HTML 26 Sep 2023
White paper 了解提升功率密度的權衡與技術 (Rev. C) PDF | HTML 27 Apr 2023
White paper 전력 밀도를 높이는 것의 장단점 및 기술의 이해 (Rev. C) PDF | HTML 26 Apr 2023
White paper Abwägung der Vor- und Nachteile und Beschreibung der Technologien zur Verbesseru (Rev. C) PDF | HTML 14 Apr 2023
White paper Understanding the trade-offs and technologies to increase power density (Rev. C) PDF | HTML 14 Apr 2023
Certificate CQC Certificate of Compliance to GB4943.1-2011 CQC20001268791 ... 06 Dec 2022
Certificate CQC Certificate of Compliance to GB4943.1-2011 CQC20001268791 06 Dec 2022
Certificate UL Certificate of Compliance to IEC 60601-1 US-36773-M1-UL 05 Dec 2022
Certificate UL Certificate of Compliance to IEC 60950-1 US-36707-A1-UL 05 Dec 2022
Certificate UL Certificate of Compliance to IEC 62368-1 US-36706-A1-UL 05 Dec 2022
Certificate UL Certificate of Compliance to UL1577 File No E181974 05 Dec 2022
Certificate VDE Certificate for Basic Isolation DIN EN IEC 60747-17 02 Dec 2022
User guide UCC12050EVM-022 User's Guide (Rev. D) PDF | HTML 26 Jan 2022
Application note Introduction to HVDC Architecture and Solutions for Control and Protection (Rev. B) PDF | HTML 07 Sep 2021
White paper Power Through the Isolation Barrier: The Landscape of Isolated DC/DC Bias Power (Rev. A) 25 Mar 2021
More literature A simple, robust, and low-EMI solution for inverter gate-driver bias supplies 23 Mar 2021
Application note Expanding Analog Input Channels in Grid Applications (Using 16-Channel, 16-Bit, (Rev. A) 26 Feb 2021
White paper Fundamentals of EMI Requirements for an Isolated DC/DC Converter 07 Jan 2021
White paper 透過節省時間和成本的創新技術 降低電源中的EMI 04 Dec 2020
White paper 전원 공급 장치의 EMI 절감을 위한 시간 및 비용 효율적 혁신 04 Dec 2020
Application note Topology Selection for Isolated Power Supplies in Patient Monitor (Rev. A) PDF | HTML 02 Sep 2020
White paper 絶縁バリアを通過する電力：絶縁DC/DCバイアス電源の状況 28 Jan 2020
Application brief A Reinforced-isolated Analog Input Chain for Space-constrained Applications 01 Sep 2019

Design & development

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

Evaluation board

UCC12050EVM-022 — UCC12050DVE isolated DC-DC converter evaluation module

The UCC12050EVM-022 is intended to allow designers to evaluate the performance characteristics and abilities of the UCC12050DVE. The EVM allows users to test functions of the UCC12050DVE such as: enable/disable, synchronize the device with an external clock source, detect external clock faults, (...)
User guide: PDF | HTML
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Reference designs

TIDA-01576 — High accuracy analog input module reference design with 16-bit 1-MSPS dual simultaneous-sampling ADC

This reference design accurately measures 16-channel AC voltage and current inputs using a precision 16-bit SAR ADC over a wide input range. This range covers protection and measurement requirements (including sampling requirements as per IEC 61850-9-2), which simplifies system design and improves (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-00420 — ADC-based, digitally-isolated, wide-input, 16-channel, AC/DC binary input reference design

This reference design showcases a cost-optimized and scalable ADC-based AC/DC binary input module (BIM) architecture with reinforced isolation. The 16 channels of a 10- or 12-bit SAR ADC are used for sensing multiple binary inputs. The op amps, in addition to keeping the cost per-channel low, (...)
Design guide: PDF
Schematic: PDF
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SO-MOD (DVE) 16 Ultra Librarian
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