Overview
The ADUM3220BRZ, produced by Analog Devices Inc., is an isolated, 4 A dual-channel gate driver based on the iCoupler® technology. This component combines high-speed CMOS and monolithic transformer technology to provide superior performance characteristics, including true galvanic isolation between the input and each output. This isolation enables voltage translation across the isolation barrier, making it ideal for applications requiring high reliability and safety.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Voltage - Isolation | 2500 | Vrms |
| Input Supply Voltage Range | 3.0 to 5.5 | V |
| Output Supply Voltage Range (A Version) | 4.5 to 18 | V |
| Output Supply Voltage Range (B Version) | 7.6 to 18 | V |
| Maximum Propagation Delay | 60 | ns |
| Channel-to-Channel Matching | 5 | ns |
| Junction Temperature Range | -40 to +125 | °C |
| Common Mode Transient Immunity | >25 | kV/μs |
| Package Type | 8-lead SOIC | |
| Package Dimensions | 5 mm × 6 mm × 1.6 mm |
Key Features
- True galvanic isolation between input and each output using iCoupler technology
- High-speed operation: dc to 1 MHz
- CMOS input logic levels
- High common-mode transient immunity: >25 kV/μs
- Enhanced system-level ESD performance per IEC 61000-4-x
- Thermal shutdown protection at >150°C
- Output shoot-through logic protection on the ADuM3220
- Default low output characteristic
- Small footprint and low profile, RoHS-compliant
- Qualified for automotive applications
Applications
- Isolated synchronous dc-to-dc converters
- MOSFET/IGBT gate drivers
- Automotive systems requiring high reliability and safety
Q & A
- What is the primary function of the ADUM3220BRZ?
The ADUM3220BRZ is an isolated, 4 A dual-channel gate driver used for applications requiring high-speed and reliable isolation between input and output channels.
- What is the isolation voltage of the ADUM3220BRZ?
The isolation voltage of the ADUM3220BRZ is 2500 Vrms.
- What are the input and output supply voltage ranges for the ADUM3220BRZ?
The input supply voltage range is 3.0 V to 5.5 V. The output supply voltage range for the A version is 4.5 V to 18 V, and for the B version, it is 7.6 V to 18 V.
- What is the maximum propagation delay of the ADUM3220BRZ?
The maximum propagation delay is 60 ns.
- Does the ADUM3220BRZ have thermal shutdown protection?
- What is the common mode transient immunity of the ADUM3220BRZ?
The common mode transient immunity is greater than 25 kV/μs.
- Is the ADUM3220BRZ RoHS-compliant?
- What are the package dimensions of the ADUM3220BRZ?
The package dimensions are 5 mm × 6 mm × 1.6 mm in an 8-lead SOIC package.
- Is the ADUM3220BRZ qualified for automotive applications?
- What safety and regulatory approvals does the ADUM3220BRZ have?
The ADUM3220BRZ has UL recognition, CSA Component Acceptance Notice #5A, VDE certificate of conformity, and other relevant safety and regulatory approvals.
