Overview
The ADuM3224WBRZ-RL7 is a 4 A isolated, half-bridge gate driver produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler® technology to provide independent and isolated high-side and low-side outputs. The device is packaged in a narrow-body, 16-lead SOIC package and offers 3000 V rms isolation, making it suitable for high-voltage applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Peak Output Current | 4 A | |
| Working Voltage (High-side or Low-side relative to input) | 537 V peak | |
| Maximum Frequency Operation | 1 MHz | |
| CMOS Input Logic Levels | 3.3 V to 5 V | |
| Output Drive Voltage Range | 4.5 V to 18 V | |
| Propagation Delay | 35 ns to 59 ns | CL = 2 nF, VDDA/VDDB = 12 V |
| Channel-to-Channel Matching | 5 ns maximum | CL = 2 nF |
| Isolation Voltage | 3000 V rms | For 1 minute |
| Junction Temperature | -40°C to 125°C |
Key Features
- High-speed CMOS and monolithic transformer technology for superior performance.
- Precise timing characteristics with low propagation delay and channel-to-channel matching.
- High common-mode transient immunity: >25 kV/μs.
- Enhanced system-level ESD performance per IEC 61000-4-x.
- Default low output for safety.
- Qualified for automotive applications.
Applications
- Switching power supplies.
- Isolated IGBT/MOSFET gate drives.
- Industrial inverters.
Q & A
- What is the peak output current of the ADuM3224WBRZ-RL7?
The peak output current is 4 A.
- What is the maximum working voltage relative to the input?
The maximum working voltage is 537 V peak.
- What is the maximum frequency of operation for this device?
The maximum frequency of operation is 1 MHz.
- What are the CMOS input logic levels for this device?
The CMOS input logic levels are 3.3 V to 5 V.
- What is the output drive voltage range for the ADuM3224WBRZ-RL7?
The output drive voltage range is 4.5 V to 18 V.
- What is the propagation delay of the ADuM3224WBRZ-RL7?
The propagation delay is between 35 ns and 59 ns (CL = 2 nF, VDDA/VDDB = 12 V).
- What is the channel-to-channel matching for this device?
The channel-to-channel matching is 5 ns maximum (CL = 2 nF).
- What is the isolation voltage rating for the ADuM3224WBRZ-RL7?
The isolation voltage rating is 3000 V rms for 1 minute.
- What are the typical applications for the ADuM3224WBRZ-RL7?
Typical applications include switching power supplies, isolated IGBT/MOSFET gate drives, and industrial inverters.
- Is the ADuM3224WBRZ-RL7 qualified for automotive applications?
