Overview
The ADuM3190ARQZ is an isolated error amplifier produced by Analog Devices Inc., utilizing their iCoupler technology. This component is specifically designed for linear feedback power supplies, offering significant improvements in transient response, power density, and stability compared to traditional optocoupler and shunt regulator solutions. The ADuM3190ARQZ ensures a stable transfer function over its lifetime and across a wide temperature range of −40°C to +125°C, making it highly reliable for various applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Range, VDD1 | 3.0 | 20 | V | |
| Operating Range, VDD2 | 3.0 | 20 | V | |
| Isolation Voltage | 2.5 kV rms | |||
| Bandwidth | 400 kHz | |||
| Reference Voltage | 1.225 | V | ||
| Supply Current (IDD1) | 1.4 | 2.0 | mA | |
| Supply Current (IDD2) | 2.9 | 5.0 | mA | |
| Ambient Temperature Range | −40 | 125 | °C | |
| Maximum Junction Temperature | 150 | °C | ||
| Package Type | 16-Lead QSOP |
Key Features
- High stability in isolated feedback applications with 0.5% initial accuracy and 1% accuracy over the full temperature range.
- Compatible with Type II or Type III compensation networks.
- Low power operation with total current less than 7 mA.
- Wide voltage supply range: VDD1 and VDD2 from 3 V to 20 V.
- High accuracy 1.225 V reference voltage.
- Fast transient response and overcurrent protection.
- Qualified for automotive applications.
- Safety and regulatory approvals including UL, CSA, and VDE certifications.
Applications
The ADuM3190ARQZ is ideal for linear feedback power supplies, particularly in applications requiring high stability and reliability. It is suitable for use in various sectors such as Smart Industry, Instrumentation, Electrification, and Digital Health. The component is also applicable in automotive systems due to its robust temperature range and regulatory approvals.
Q & A
- What is the primary application of the ADuM3190ARQZ?
The ADuM3190ARQZ is primarily used in linear feedback power supplies. - What is the isolation voltage rating of the ADuM3190ARQZ?
The isolation voltage rating is 2.5 kV rms. - What is the temperature range of the ADuM3190ARQZ?
The ambient temperature range is −40°C to +125°C, with a maximum junction temperature of 150°C. - What is the bandwidth of the ADuM3190ARQZ?
The bandwidth is 400 kHz. - Is the ADuM3190ARQZ qualified for automotive applications?
Yes, it is qualified for automotive applications. - What is the reference voltage provided by the ADuM3190ARQZ?
The reference voltage is 1.225 V. - What are the safety and regulatory approvals for the ADuM3190ARQZ?
The component has UL, CSA, and VDE certifications. - What is the package type of the ADuM3190ARQZ?
The package type is a 16-Lead QSOP. - What is the supply current range for the ADuM3190ARQZ?
The supply current ranges from 1.4 mA to 5.0 mA depending on the supply voltage. - Is the ADuM3190ARQZ compatible with different compensation networks?
Yes, it is compatible with Type II or Type III compensation networks.
