Overview
The ADuM4190TRIZ-EP-RL is an isolated error amplifier developed by Analog Devices Inc., utilizing their proprietary 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 ADuM4190 is stable over a wide temperature range of −40°C to +125°C and features a high accuracy 1.225 V reference voltage, making it ideal for various power supply applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Temperature Range | −40 | 125 | °C | |
| Isolation Voltage | 5 kV rms | |||
| Output -3 dB Bandwidth | 400 | kHz | ||
| Supply Voltage Range (VDD1, VDD2) | 3.0 | 20 | V | |
| Supply Current (IDD1) | 1.4 | 2.0 | mA | |
| Supply Current (IDD2) | 2.9 | 5.0 | mA | |
| Reference Voltage | 1.225 | V | ||
| Initial Accuracy | 0.5% | |||
| Accuracy over Full Temperature Range | 1% |
Key Features
- High stability and accuracy over a wide temperature range (−40°C to +125°C)
- Isolated error amplifier with 5 kV rms reinforced isolation voltage
- Wideband operational amplifier for various power supply loop compensation techniques
- High accuracy 1.225 V reference voltage
- Low power operation: total current less than 7 mA
- Compatible with Type II or Type III compensation networks
- Compatible with DOSA (Distributed-power Open Standards Alliance) modules
- Enhanced reliability and stability compared to optocoupler-based solutions
Applications
- Linear feedback power supplies
- Inverters
- Uninterruptible power supplies (UPS)
- DOSA-compatible modules
- Voltage monitors
- Defense and aerospace applications (ADuM4190-EP model)
Q & A
- What is the primary application of the ADuM4190TRIZ-EP-RL? The ADuM4190TRIZ-EP-RL is primarily used in linear feedback power supplies.
- What is the isolation voltage rating of the ADuM4190TRIZ-EP-RL? The isolation voltage rating is 5 kV rms reinforced.
- What is the operating temperature range of the ADuM4190TRIZ-EP-RL? The operating temperature range is −40°C to +125°C.
- What is the reference voltage provided by the ADuM4190TRIZ-EP-RL? The reference voltage is 1.225 V.
- How does the ADuM4190TRIZ-EP-RL compare to optocoupler-based solutions? The ADuM4190TRIZ-EP-RL offers enhanced stability and reliability over optocoupler-based solutions, with a stable transfer function over its lifetime and across a wide temperature range.
- What is the total supply current of the ADuM4190TRIZ-EP-RL? The total supply current is less than 7 mA.
- Is the ADuM4190TRIZ-EP-RL compatible with DOSA modules? Yes, it is compatible with DOSA modules.
- What are the key advantages of using the ADuM4190TRIZ-EP-RL in power supplies? Key advantages include improved transient response, higher power density, and enhanced stability.
- Does the ADuM4190TRIZ-EP-RL support defense and aerospace applications? Yes, the ADuM4190-EP model supports defense and aerospace applications with specific certifications and standards.
- What is the package type of the ADuM4190TRIZ-EP-RL? The package type is a 16-lead SOIC (Small Outline Integrated Circuit).
