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UCC12050

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500 mW, high-efficiency, 5 kVRMS isolated DC/DC converter

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500 mW, high-efficiency, 5 kVRMS isolated DC/DC converter

UCC12050

ACTIVE
Data sheet Order now

Product details

Parameters

Vin (Max) (V) 5.5 Vin (Min) (V) 4.5 Iout (Max) (A) 0.1 Vout (Min) (V) 3.3 Vout (Max) (V) 5.4 Features Regulated, Single Output, 0.5W Operating temperature range (C) -40 to 125 Approx. price (US$) 3.43 | 1ku Regulated outputs (#) 1 Package type Leaded open-in-new Find other Isolated DC/DC converters & modules

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Features

  • High-efficiency DC-DC converter with integrated transformer technology
  • Meets CISPR32 Class B EMI limits without ferrite beads across entire load range on a 2-layer PCB
  • Robust isolation barrier:
    • Isolation rating: 5 kVRMS
    • Surge capability: 10 kVPK
    • Working voltage: 1.2 kVRMS
    • CMTI (typical): ±100 V/ns
  • Output power (typical): 500-mW
  • Regulated 5.0-V or 3.3-V output with selectable 400-mV headroom voltage to power an LDO
  • Input voltage: 4.5 V to 5.5 V
  • Short circuit recovery
  • Thermal shutdown
  • 16-pin wide-body SOIC package with > 8-mm creepage and clearance
  • Extended temperature range: –40ºC to 125ºC
  • Planned safety-related certifications:
    • 7071-VPK reinforced isolation per DIN V VDE V 0884-11:2017-01
    • 5000-VRMS isolation for 1 minute per UL 1577
    • CSA certification per IEC 60950-1, IEC 62368- 1 and IEC 60601-1 end equipment standards
    • CQC approval per GB4943.1-2011

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Description

UCC12050 is a DC/DC converter with 5-kVRMS reinforced 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 high efficiency and low EMI.

The UCC12050 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 UCC12050 is a low-profile, miniaturized solution offered in a wide-body SOIC package with 2.65-mm height (typical).

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Technical documentation

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Type Title Date
* Datasheet UCC12050 High-Efficiency, Low-EMI, 5-kVRMS Reinforced Isolation DC-DC Converter datasheet (Rev. C) Apr. 17, 2020
More literature UCC12050EVM-022 EU Declaration of Conformity (DoC) Apr. 17, 2020
Technical articles 35 years later, APEC continues to set the tone for innovation in power management Feb. 27, 2020
Application notes Introduction to HVDC Architecture and Solutions for Control and Protection Feb. 25, 2020
Technical articles Isolation 101: How to find the right isolation solution for your application Feb. 11, 2020
White papers 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 Jan. 28, 2020
White papers Power Through the Isolation Barrier: The Landscape of Isolated DC/DC Bias Power Dec. 11, 2019
Application notes Designing High Voltage Power Supply for Ultrasound Smart Probes Oct. 22, 2019
Application notes Topology Selection for Isolated Power Supplies in Patient Monitor and Ultrasound Oct. 22, 2019
Application notes A Reinforced-isolated Analog Input Chain for Space-constrained Applications Sep. 01, 2019
User guides UCC12050EVM-022 User's Guide Aug. 30, 2018

Design & development

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

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$99.00
Description
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, and (...)
Features
  • Easily validate all available output voltage selections
  • Test points for accurate ripple and transient response waveforms
  • EVM layout provides example of proper board layout for rated isolation and EMI perfomance
  • High efficiency, isoated power transfer of up to 500mW
  • Design is tested and provides all the (...)
View details

Design tools & simulation

SIMULATION MODELS Download
SNVMBT0.ZIP (83 KB) - SIMPLIS Model

Reference designs

REFERENCE DESIGNS Download
High accuracy analog input module reference design with 16-bit 1-MSPS dual simultaneous-sampling ADC
TIDA-01576 — 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 (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
High-efficiency, low-emission, isolated DC/DC converter-based analog input module reference design
TIDA-010065 — This reference design is a simplified architecture for generating an isolated power supply for isolated amplifiers for measuring isolated voltages and currents. A fully integrated DC/DC converter with reinforced isolation operating from a 5-V input with configurable 5-V or 5.4-V output (headroom for (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Isolated delta-sigma modulator based AC/DC voltage and current measurement module reference design
TIDA-00080 — This isolated shunt based current measurement unit enables high accuracy current measurement without the use of Current Transformers (CT). The isolation is achieved through the use of AMC1304 that incorporates both high voltage isolation as well as the Delta-Sigma Modulator. This solution eliminates (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Isolated power architecture reference design for communication and analog input/output modules
TIDA-00300 — This reference design provides a simple means through which to isolate I2C or SPI type communication lines. This is often required in Grid Infrastructure applications such as, protertion relays and circuit breakers, where high voltages are involved. This reference design provides the complete (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

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