UCC33020 Ultra-Small, 1.0W, 5.0V, 3kVRMS Isolation, Industrial DC/DC Module

1 Features

• 1.0W maximum output power

• 3.0V to 5.5V input voltage operation range

• 5.0V, 5.5V regulated selectable output voltage

– 5.0V: 200mA available load current

• 0.5% typical load regulation

• 4mV/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 CISPR-32 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:

– DIN EN IEC 60747-17 (VDE 0884-17)

– UL 1577 / CSA component recognition program

– IEC 62368-1 and IEC 60601-1 certifications

• Extended temperature range: –40°C to 125°C

• VSON-12 (4.0mm × 5.00mm) package

2 Applications

• Factory automation PLC modules

• EV charging infrastructure

• Isolated bias for E-mode GaN

• Isolated bias power for digital isolators

• Isolated bias power for RS-485, RS-422 and CAN

3 Description

The UCC33020 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 3.0V to 5.5V

and regulate 5.0V output voltage with a selectable

headroom of 5.5V.

The UCC33020 features a proprietary transformer

architecture that achieves a 3kVRMS isolation rating,

while simultaneously supporting low EMI and

excellent load regulation.

The UCC33020 integrates protection features for

increased system robustness such as enable pin with

fault reporting mechanism, short circuit protection and

thermal shutdown.

The UCC33020 comes in a miniaturized, low-profile

VSON (4.0mm × 5.00mm) package with 1.00mm

height and > 4.1mm clearance and creepage.

Device Information

PART NUMBER

PACKAGE(1)

BODY SIZE

(NOM)

UCC33020

RAQ VSON-FCRLF 12

4.0mm × 5.00mm

(1)

For all available packages, see Section 13.

EN/FLT

GNDP

VINP

VCC

GNDS

SEL

R

EN/FLT

FLT

VINP

VCC

EN

C

IN1

C

OUT1

C

OUT2

C

IN2

Simplified Application

UCC33020

SLUSFK4A – FEBRUARY 2025 – REVISED MAY 2025

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.