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
UCC33411-Q1
Automotive, 5-V/3.3-V, 1-W, 5-kVrms isolated DC-DC module with integrated transformer
Data sheet
UCC33411-Q1
- Maximum output power; 1.0W
- Input voltage operation range: 4.5V to 5.5V
- Regulated selectable output voltage: 3.3V, 3.7V
- Available load current: 3.3V: 300mA
- Typical load regulation: 0.5%
- Typical line regulation: 4mV/V
- Robust isolation barrier:
- Isolation rating: 5kVRMS
- Surge capability: 10.4kVPK
- Working voltage: 1700VPK
- ± 8KV IEC 61000-4-2 contact discharge protection across isolation barrier
- 250V/ns common mode transient immunity
- Power dense isolated DC/DC module with integrated transformer technology
- Adaptive spread spectrum modulation (SSM)
- Meets CISPR-32 Class B emission
- Meets CISPR-25 Class 5 emission
- Strong magnetic field immunity
- Overload and short circuit protection
- Thermal shutdown
- Low inrush current soft-start
- Enable pin with fault reporting mechanism
- AEC-Q100 qualified with the following results:
- Device temperature Grade 1: –40°C to 125°C ambient operating temperature
- Functional Safety-Capable
- SSOP-16 (5.85mm × 7.50mm) package
- >8.2mm clearance and creepage
The UCC33411-Q1 is an automotive qualified 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 from 4.5V to 5.5V and regulate 3.3V output voltage with a selectable headroom of 3.7V.
The UCC33411-Q1 features a proprietary transformer architecture that achieves a 5kVRMS isolation withstand voltage, while simultaneously supporting low electro-magnetic interference (EMI) and excellent load regulation.
The UCC33411-Q1 integrates protection features for increased system robustness such as enable pin with fault reporting mechanism, short circuit protection and thermal shutdown.
The UCC33411-Q1 comes in a miniaturized, low-profile SSOP (5.85mm × 7.50mm) package with 2.65mm height and > 8.2mm clearance and creepage.
Technical documentation
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View all 8 | Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | UCC33411-Q1 Ultra-Small, 1.0W , 3.3V , 5kVRMS Isolation, Automotive DC/DC Module datasheet (Rev. A) | PDF | HTML | 30 Mar 2026 |
| Application note | How to Pass CISPR32 Class B for UCC33420-Q1 | PDF | HTML | 29 Oct 2025 | |
| Certificate | UCC33411-Q1 Certificate of Compliance CISPR25 Class 5 | 28 Oct 2025 | ||
| Functional safety information | UCC33011(Q1), UCC33021(Q1) UCC33411(Q1), and UCC33421(Q1) Functional Safety FIT Rate, FMD and Pin FMA | PDF | HTML | 16 Sep 2025 | |
| Certificate | UCC33411-Q1 Certificate of Compliance CISPR32 Class B | 20 Aug 2025 | ||
| Technical article | 電源模組封裝類型及其優勢 | PDF | HTML | 12 Aug 2024 | |
| Technical article | 전력 모듈 패키지 유형 및 장점 | PDF | HTML | 12 Aug 2024 | |
| Technical article | Power module package types and their benefits | PDF | HTML | 09 Jul 2024 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
UCC33421EVM-092 — UCC33421 evaluation module
The UCC33421EVM-092 is intended to allow designers to evaluate the performance and capabilities of the UCC33xx1 family of automotive and industrial devices. UCC33421 is an isolated DC/DC converter module able to deliver 1.5W with 5kVrms of isolation in a very small and compact DHA-16 package (...)
Simulation model
UCC3341x and UCC3341x-Q1 SIMPLIS Model (Rev. A)
SLUM919A.ZIP (88 KB) - SIMPLIS Model
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SO-MOD (DHA) | 16 | Ultra Librarian |
Ordering & quality
Information included:
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- MSL rating/Peak reflow
- MTBF/FIT estimates
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Information included:
- Fab location
- Assembly location
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
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