Overview
The ADUM4120ARIZ-RL is a 2 A isolated, single-channel gate driver IC produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler® technology to provide precision isolation, ensuring reliable control over the switching characteristics of insulated gate bipolar transistor (IGBT) and metal-oxide semiconductor field effect transistor (MOSFET) configurations. The ADUM4120 operates with input supplies ranging from 2.5 V to 6.5 V, making it compatible with lower voltage systems. It offers true galvanic isolation between the input and output, which is crucial for high-voltage applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Current | 2 | A |
| Isolation Voltage | 5 kV | rms |
| Input Supply Voltage | 2.5 to 6.5 | V |
| Package Type | 6-lead wide body SOIC | |
| Creepage Distance | 8 mm | |
| Maximum Junction Temperature | 125 | °C |
| Propagation Delay (Falling Edge) | 79 ns (max) | |
| Common-Mode Transient Immunity | 150 kV/μs |
Key Features
- Precision isolation using iCoupler® technology
- True galvanic isolation between input and output
- High common-mode transient immunity: 150 kV/μs
- High junction temperature operation: 125°C
- CMOS input logic levels
- Default low output
- Options for models with and without an input glitch filter
Applications
- Switching power supplies
- IGBT/MOSFET gate drivers
- Industrial inverters
- Gallium nitride (GaN)/silicon carbide (SiC) power devices
Q & A
- What is the primary function of the ADUM4120ARIZ-RL?
The ADUM4120ARIZ-RL is a 2 A isolated, single-channel gate driver IC designed to provide precision isolation and reliable control over the switching characteristics of IGBT/MOSFET configurations.
- What is the isolation voltage of the ADUM4120ARIZ-RL?
The ADUM4120ARIZ-RL provides 5 kV rms isolation.
- What is the input supply voltage range for the ADUM4120ARIZ-RL?
The input supply voltage range is from 2.5 V to 6.5 V.
- What type of package does the ADUM4120ARIZ-RL come in?
The ADUM4120ARIZ-RL comes in a 6-lead wide body SOIC package.
- What is the maximum junction temperature for the ADUM4120ARIZ-RL?
The maximum junction temperature is 125°C.
- Does the ADUM4120ARIZ-RL have any safety and regulatory approvals?
Yes, it has UL recognition per UL 1577, CSA Component Acceptance Notice 5A, and VDE certificate of conformity (pending).
- What are the common applications of the ADUM4120ARIZ-RL?
Common applications include switching power supplies, IGBT/MOSFET gate drivers, industrial inverters, and GaN/SiC power devices.
- What is the significance of the iCoupler® technology in the ADUM4120ARIZ-RL?
The iCoupler® technology provides precision isolation and true galvanic isolation between the input and output.
- Does the ADUM4120ARIZ-RL have an input glitch filter option?
Yes, there are options for models with and without an input glitch filter to reduce the chance of noise triggering an output.
- What is the propagation delay of the ADUM4120ARIZ-RL?
The maximum propagation delay for the falling edge is 79 ns.
