Overview
The ADUM4190TRIZ-EP is an isolated error amplifier developed by Analog Devices Inc., utilizing their proprietary iCoupler® technology. This component is designed to enhance the performance of linear feedback power supplies, inverters, and uninterruptible power supplies (UPS). It offers significant improvements over traditional optocoupler and shunt regulator solutions by providing stable and accurate feedback over a wide temperature range and throughout its lifetime.
The ADUM4190TRIZ-EP is particularly suited for applications requiring high reliability and stability, including defense and aerospace, where it meets the AQEC standard. It features a wideband operational amplifier and a high accuracy 1.225 V reference voltage, making it ideal for various power supply loop compensation techniques.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Temperature | -55 | 125 | °C | |
| Supply Voltages (VDD1, VDD2) | 3.0 | 20 | V | |
| Output -3 dB Bandwidth | 400 | kHz | ||
| Isolation Voltage | 5000 | V rms | ||
| Supply Current (IDD1) | 1.4 | 2.0 | mA | |
| Supply Current (IDD2) | 2.9 | 5.0 | mA | |
| Reference Voltage | 1.225 | V | ||
| Package Type | 16-Lead SOIC (Wide Body) |
Key Features
- Stable Over Time and Temperature: The ADUM4190TRIZ-EP maintains its accuracy and stability over a wide temperature range of -55°C to +125°C and throughout its lifetime.
- High Accuracy Reference Voltage: Includes a high accuracy 1.225 V reference voltage for precise setpoint comparison.
- Wideband Operational Amplifier: Supports various power supply loop compensation techniques with a wideband operational amplifier.
- Low Power Operation: Operates with low power consumption, with total supply current less than 7 mA.
- Reinforced Isolation: Offers a reinforced 5 kV rms isolation voltage rating, ensuring high safety and reliability.
- Compatibility with DOSA Modules: Compatible with DOSA (Distributed-power Open Standards Alliance) modules.
- Military and Aerospace Compliance: Meets AQEC standards and has a controlled manufacturing baseline, making it suitable for defense and aerospace applications.
Applications
- Linear Feedback Power Supplies: Ideal for improving transient response, power density, and stability in linear feedback power supplies.
- Inverters: Suitable for use in inverter applications requiring high accuracy and stability.
- Uninterruptible Power Supplies (UPS): Enhances the performance of UPS systems by providing reliable and accurate feedback.
- Voltage Monitors: Can be used in voltage monitoring applications due to its high accuracy and stability.
- Defense and Aerospace: Meets the stringent requirements of defense and aerospace applications with its military temperature range and controlled manufacturing baseline.
Q & A
- What is the primary function of the ADUM4190TRIZ-EP?
The ADUM4190TRIZ-EP is an isolated error amplifier designed to enhance the performance of linear feedback power supplies, inverters, and UPS systems.
- What technology does the ADUM4190TRIZ-EP use?
The ADUM4190TRIZ-EP uses Analog Devices' iCoupler® technology.
- What is the operating temperature range of the ADUM4190TRIZ-EP?
The operating temperature range is -55°C to +125°C.
- What is the isolation voltage rating of the ADUM4190TRIZ-EP?
The isolation voltage rating is 5 kV rms reinforced.
- What type of package does the ADUM4190TRIZ-EP come in?
The ADUM4190TRIZ-EP is packaged in a 16-lead SOIC (Wide Body) package.
- Is the ADUM4190TRIZ-EP suitable for defense and aerospace applications?
Yes, it meets AQEC standards and has a controlled manufacturing baseline, making it suitable for defense and aerospace applications.
- What is the reference voltage provided by the ADUM4190TRIZ-EP?
The ADUM4190TRIZ-EP includes a high accuracy 1.225 V reference voltage.
- What is the typical output -3 dB bandwidth of the ADUM4190TRIZ-EP?
The typical output -3 dB bandwidth is 400 kHz.
- Is the ADUM4190TRIZ-EP compatible with DOSA modules?
Yes, it is compatible with DOSA modules.
- What are the supply voltage ranges for the ADUM4190TRIZ-EP?
The supply voltage ranges are 3.0 V to 20 V for both VDD1 and VDD2.
