Overview
The ADUM3190BRQZ-RL7 is an isolated error amplifier produced by Analog Devices Inc., utilizing the company's iCoupler® technology. This component is designed to enhance the performance of linear feedback power supplies by providing stable and accurate feedback signals across an isolation barrier. It is particularly useful in applications where high precision and reliability are crucial, such as in power supply systems that require fast transient response and high stability.
Key Specifications
| Parameter | Value |
|---|---|
| Isolation Voltage | 2.5 kV rms |
| Initial Accuracy | 0.5% |
| Accuracy over Temperature Range | 1% |
| Reference Voltage | 1.225 V |
| Supply Voltage Range (VDD1 and VDD2) | 3 V to 20 V |
| Bandwidth | 400 kHz |
| Power Consumption | < 7 mA total |
| Ambient Operating Temperature | −40°C to +125°C |
| Maximum Junction Temperature | 150°C |
| Packaging | 16-lead QSOP |
| Safety and Regulatory Approvals | UL recognition: 2500 V rms for 1 minute per UL 1577, CSA Component Acceptance Notice 5A, VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 V IORM= 565 V peak |
Key Features
- Stable and accurate feedback signals across an isolation barrier, ideal for linear feedback power supplies.
- High accuracy 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 consumption less than 7 mA.
- Wide voltage supply range from 3 V to 20 V for both VDD1 and VDD2.
- High bandwidth of 400 kHz, enabling fast transient response.
- Included high accuracy 1.225 V reference voltage.
- Qualified for automotive applications and operates over a wide temperature range of −40°C to +125°C.
Applications
The ADUM3190BRQZ-RL7 is particularly suited for applications in linear feedback power supplies, including those in smart industry, instrumentation, electrification, and digital health. It is also useful in any system requiring isolated feedback with high precision and stability, such as in power supply systems for medical devices, industrial control systems, and automotive electronics.
Q & A
- What is the primary function of the ADUM3190BRQZ-RL7? The ADUM3190BRQZ-RL7 is an isolated error amplifier designed to provide stable and accurate feedback signals in linear feedback power supplies.
- What is the isolation voltage rating of the ADUM3190BRQZ-RL7? The isolation voltage rating is 2.5 kV rms.
- What is the initial accuracy of the ADUM3190BRQZ-RL7? The initial accuracy is 0.5%.
- What is the temperature range for the ADUM3190BRQZ-RL7? The component operates over an ambient temperature range of −40°C to +125°C.
- What is the maximum junction temperature for the ADUM3190BRQZ-RL7? The maximum junction temperature is 150°C.
- What are the safety and regulatory approvals for the ADUM3190BRQZ-RL7? It has UL recognition: 2500 V rms for 1 minute per UL 1577, CSA Component Acceptance Notice 5A, and VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 V IORM= 565 V peak.
- What is the packaging type for the ADUM3190BRQZ-RL7? The component is packaged in a 16-lead QSOP package.
- Is the ADUM3190BRQZ-RL7 suitable for automotive applications? Yes, it is qualified for automotive applications.
- What is the bandwidth of the ADUM3190BRQZ-RL7? The bandwidth is 400 kHz.
- What is the reference voltage provided by the ADUM3190BRQZ-RL7? The reference voltage is 1.225 V.
