Analog Devices Inc. ADUM6020-3WBRIZ-RL

Overview

ADUM6020-3WBRIZ-RL from Analog Devices is a 5 kV rms isolated, 3.3 V input to 3.3 V output dc-to-dc converter delivering up to 70 mA output current with 33% efficiency at full load, integrated in a wide-body 16-lead SOIC_IC package featuring 8.3 mm creepage and clearance. It provides regulated isolated power for RS-485 transceivers, automotive on-board chargers, and isolated sensor interfaces.

For engineers reviewing the ADUM6020-3WBRIZ-RL datasheet, ADUM6020-3WBRIZ-RL pinout, ADUM6020-3WBRIZ-RL application, or ADUM6020-3WBRIZ-RL equivalent, key selection criteria include its 3.3 V/3.3 V operation, 70 mA max output, 5000 V rms isolation rating, AEC-Q100 qualification, and compliance with CISPR22 Class B emissions on 2-layer PCBs.

Technical Context

The ADUM6020-3WBRIZ-RL uses iCoupler® chip-scale transformer technology to implement a fully integrated isolated dc-to-dc converter without external magnetics. Its PWM-controlled switching architecture operates at 625 kHz with 180 MHz oscillator frequency, enabling compact layout and low EMI.

It features undervoltage lockout (rising threshold 2.6–3.0 V on VDDP), thermal shutdown at 154°C, and reinforced insulation certified per DIN EN IEC 60747-17 (VDE 0884-17) with VIORM = 565 V peak and VISO = 5000 V rms for 1 minute.

Key Specifications

Pinout & Package

ADUM6020-3WBRIZ-RL is housed in a wide-body 16-lead SOIC_IC package (SOIC_W) with 8.3 mm minimum creepage and clearance between input and output sides. The package supports reinforced insulation and is RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar isolated dc-to-dc converter applications.

Compared with ADUM6020-3BRIZ, ADUM6020-3WBRIZ-RL offers identical performance in tape-and-reel form for production lines; versus ADM3053BRWZ, it provides higher isolation (5000 V vs. 2500 V rms), programmable disable, and application flexibility beyond CAN - making it preferable for multi-protocol or safety-critical isolated power needs.

Availability

ADUM6020-3WBRIZ-RL is available at Aetrix Electronics and suitable for automotive on-board chargers, industrial PLCs, and isolated sensor interfaces requiring stable component supply, AEC-Q100 qualification, and long-term lifecycle support.

Supply support for ADUM6020-3WBRIZ-RL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Wilmington, MA.

The ADuM6020 product line delivers integrated isoPower® isolated dc-to-dc converters targeting space-constrained, safety-critical applications in automotive, industrial, and medical systems where regulatory compliance and board-level integration are essential.

FAQ

What is the maximum continuous output current of the ADUM6020-3WBRIZ-RL at 125°C ambient?

The ADUM6020-3WBRIZ-RL delivers up to 70 mA at 3.3 V output when VDDP = 3.3 V and TA ≤ 105°C. Above 105°C, output current is derated by 2 mA/°C - resulting in a maximum of 30 mA at 125°C ambient. This derating ensures thermal stability and compliance with safety limiting values per DIN EN IEC 60747-17.

Does the ADUM6020-3WBRIZ-RL require external components to meet CISPR22 Class B emissions?

No, the ADUM6020-3WBRIZ-RL meets CISPR22 Class B emissions limits at full load on a standard 2-layer PCB without external ferrites, shielding, or filtering components. Its integrated iCoupler® transformer and optimized PWM architecture inherently suppress conducted and radiated noise - confirmed in the official datasheet Rev. G, page 1.

Can the ADUM6020-3WBRIZ-RL be used in medical equipment requiring 2 MOPP isolation?

Yes, the ADUM6020-3WBRIZ-RL is certified to IEC/CSA 60601-1 with reinforced insulation (2 MOPP) at 50 V rms working voltage and carries VDE 0884-17 approval (VIORM = 565 V peak). Its 8.3 mm creepage/clearance and 5000 V rms withstand rating satisfy 2 MOPP requirements for patient-connected devices when applied within specified voltage and pollution degree constraints.

What is the purpose of the PDIS pin on the ADUM6020-3WBRIZ-RL, and how should it be configured?

The PDIS pin on the ADUM6020-3WBRIZ-RL controls output enable/disable: tying it to GND1 activates VISO, while applying logic high (≥2.0 V) shuts down the isolated output. It must never be left floating - a 10 kΩ pull-down resistor to GND1 is recommended for default-enable operation. This feature allows system-level power sequencing and fault-safe shutdown in the ADUM6020-3WBRIZ-RL.

Is the ADUM6020-3WBRIZ-RL pin-compatible with other members of the ADuM6020 family?

Yes, all ADuM6020 variants - including ADUM6020-3WBRIZ-RL, ADUM6020-5WBRIZ-RL, and ADUM6020-3BRIZ - share identical 16-lead SOIC_IC pinouts and footprint. Input/output voltage configurations differ internally, but mechanical layout, thermal pad (none), and pin functions (PDIS, VDDP, VISO, GND1, GNDISO, NIC) are fully consistent across the ADUM6020-3WBRIZ-RL family.