Overview
The ADUM3190WSRQZ-RL7 is an isolated error amplifier manufactured by Analog Devices Inc., utilizing the company's iCoupler technology. This component is designed to enhance the performance of linear feedback power supplies, inverters, and other power management systems. It offers high stability and accuracy over a wide temperature range, making it ideal for applications requiring reliable and precise feedback control.
The ADUM3190WSRQZ-RL7 is packaged in a 16-lead QSOP package, providing a compact solution with a 2.5 kV rms isolation voltage rating. This device is particularly useful in replacing optocoupler and shunt regulator solutions, offering superior stability and reliability over its lifetime.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Temperature | -40 | 125 | °C | |
| Supply Voltage (VDD1, VDD2) | 3.0 | 20 | V | |
| Isolation Voltage | 2.5 kV rms | |||
| Bandwidth | 400 kHz | |||
| Reference Voltage | 1.225 | V | ||
| Output Current (EAOUT) | ±3 mA | |||
| Package Type | 16-lead QSOP | |||
| Mounting Type | Surface Mount | |||
| RoHS Status | Lead Free / RoHS Compliant |
Key Features
- High stability in isolated feedback applications, ensuring consistent performance over its lifetime and across a wide temperature range (-40°C to +125°C).
- Utilizes iCoupler technology, providing a stable transfer function that does not degrade over time or at high temperatures.
- Wideband operational amplifier for various power supply loop compensation techniques.
- High accuracy 1.225 V reference voltage for comparing with the supply output setpoint.
- Low power operation with total current consumption of less than 7 mA.
- Compatible with Type II or Type III compensation networks and DOSA-compatible modules.
- UL, CSA, and VDE safety and regulatory approvals, ensuring compliance with various international standards.
Applications
- Linear power supplies: Enhances transient response, power density, and stability.
- Inverters: Provides reliable feedback control for efficient operation.
- Uninterruptible Power Supply (UPS): Ensures stable and accurate feedback in UPS systems.
- DOSA-compatible modules: Compatible with various DOSA (Distributed-power Open Standards Alliance) modules.
- Automotive systems: Qualified for automotive applications due to its robust performance and reliability.
- Industrial production, smart home appliances, electric vehicles, medical devices, and Internet of Things (IoT) devices.
Q & A
- What is the primary function of the ADUM3190WSRQZ-RL7?
The ADUM3190WSRQZ-RL7 is an isolated error amplifier designed to improve the performance of linear feedback power supplies and other power management systems.
- What technology does the ADUM3190WSRQZ-RL7 use?
The ADUM3190WSRQZ-RL7 uses Analog Devices' iCoupler technology.
- What is the operating temperature range of the ADUM3190WSRQZ-RL7?
The operating temperature range is -40°C to +125°C.
- What is the isolation voltage rating of the ADUM3190WSRQZ-RL7?
The isolation voltage rating is 2.5 kV rms.
- What is the bandwidth of the ADUM3190WSRQZ-RL7?
The bandwidth is 400 kHz.
- What type of package does the ADUM3190WSRQZ-RL7 come in?
The ADUM3190WSRQZ-RL7 is packaged in a 16-lead QSOP package.
- Is the ADUM3190WSRQZ-RL7 RoHS compliant?
Yes, the ADUM3190WSRQZ-RL7 is Lead Free / RoHS Compliant.
- What are some common applications of the ADUM3190WSRQZ-RL7?
Common applications include linear power supplies, inverters, UPS systems, DOSA-compatible modules, and automotive systems.
- What safety and regulatory approvals does the ADUM3190WSRQZ-RL7 have?
The ADUM3190WSRQZ-RL7 has UL, CSA, and VDE safety and regulatory approvals.
- How does the ADUM3190WSRQZ-RL7 compare to optocoupler-based solutions?
The ADUM3190WSRQZ-RL7 offers a stable transfer function that does not degrade over time or at high temperatures, unlike optocoupler-based solutions.
