Overview
The ADUM3190TRQZ-RL7, produced by Analog Devices Inc., is an isolated error amplifier based on Analog Devices' iCoupler technology. This component is specifically designed for use in linear feedback power supplies, offering significant improvements in transient response, power density, and stability compared to traditional optocoupler and shunt regulator solutions. The ADUM3190 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, Side 1 (VDD1) | 3.0 | 20 | V | |
| Operating Range, Side 2 (VDD2) | 3.0 | 20 | V | |
| Bandwidth | 400 kHz | |||
| Isolation Voltage | 2.5 kV rms | |||
| Ambient Operating Temperature | −40 | +125 | °C | |
| Junction Temperature | −40 | +150 | °C | |
| Reference Voltage | 1.225 V | |||
| Power Consumption | < 7 mA |
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.
- Includes a wideband operational amplifier for various power supply loop compensation techniques.
- Fast response to transient and overcurrent conditions.
- High accuracy 1.225 V reference voltage.
- Low power operation with total current consumption less than 7 mA.
- Packaged in a small 16-lead QSOP package with 2.5 kV rms isolation voltage rating.
- Safety and regulatory approvals including UL, CSA, and VDE certifications.
- Qualified for automotive applications.
Applications
The ADUM3190TRQZ-RL7 is ideal for use in linear feedback power supplies, particularly in applications requiring high stability and reliability. It is suitable for various industries such as:
- Smart Industry
- Instrumentation
- Electrification
- Digital Health
- Automotive systems
Q & A
- What is the primary application of the ADUM3190TRQZ-RL7?
The ADUM3190TRQZ-RL7 is primarily used in linear feedback power supplies.
- What is the isolation voltage rating of the ADUM3190TRQZ-RL7?
The isolation voltage rating is 2.5 kV rms.
- What is the operating temperature range of the ADUM3190TRQZ-RL7?
The ambient operating temperature range is −40°C to +125°C.
- What is the bandwidth of the ADUM3190TRQZ-RL7?
The bandwidth is 400 kHz.
- Is the ADUM3190TRQZ-RL7 compatible with automotive applications?
- What type of package does the ADUM3190TRQZ-RL7 come in?
- What are the safety and regulatory approvals for the ADUM3190TRQZ-RL7?
- What is the reference voltage provided by the ADUM3190TRQZ-RL7?
- How much power does the ADUM3190TRQZ-RL7 consume?
- Is the ADUM3190TRQZ-RL7 compatible with Type II or Type III compensation networks?
