Overview
The ADUM4190TRIZ-RL is an isolated error amplifier produced by Analog Devices Inc., utilizing their iCoupler® technology. This component is specifically designed for linear feedback power supplies, offering significant improvements in transient response, power density, and stability compared to traditional optocoupler and shunt regulator solutions. The ADUM4190TRIZ-RL 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 | Value | Unit |
|---|---|---|
| Number of Channels | 1 | |
| BW -3 dB (typ) | 400 kHz | |
| Gain (max) | 2.7 V/V | |
| Gain (min) | 0.83 V/V | |
| Insulation Rating | 5 kV rms | |
| Nonlinearity % (typ) | 1 % | |
| Operating Temperature Range | −40°C to +125°C | |
| Vs Type | Single | |
| Vs span (max) | 20 V | |
| Vs span (min) | 3 V | |
| Reference Voltage | 1.225 V | |
| Power Consumption | <7 mA total | |
| Package | 16-Lead SOIC (Increased Creepage) |
Key Features
- Stable over time and temperature with 0.5% initial accuracy and 1% accuracy over the full temperature range.
- Compatible with Type II or Type III compensation networks.
- High accuracy 1.225 V reference voltage.
- Low power operation with total current consumption less than 7 mA.
- Wide voltage supply range: 3.0 V to 20 V for both VDD1 and VDD2.
- Output -3 dB bandwidth of 400 kHz typical.
- Isolation voltage of 5 kV rms reinforced.
- Compatible with DOSA (Distributed-power Open Standards Alliance) modules.
- Wide temperature range of −40°C to +125°C ambient operation.
Applications
- Linear feedback power supplies.
- Inverters.
- Uninterruptible power supplies (UPS).
- DOSA-compatible modules.
- Voltage monitors.
Q & A
- What is the primary application of the ADUM4190TRIZ-RL?
The ADUM4190TRIZ-RL is primarily used in linear feedback power supplies.
- What is the isolation voltage rating of the ADUM4190TRIZ-RL?
The isolation voltage rating is 5 kV rms reinforced.
- What is the operating temperature range of the ADUM4190TRIZ-RL?
The operating temperature range is −40°C to +125°C.
- What is the reference voltage provided by the ADUM4190TRIZ-RL?
The reference voltage is 1.225 V.
- Is the ADUM4190TRIZ-RL compatible with DOSA modules?
- What is the typical bandwidth of the ADUM4190TRIZ-RL?
The typical bandwidth is 400 kHz.
- What is the power consumption of the ADUM4190TRIZ-RL?
The total power consumption is less than 7 mA.
- What type of package does the ADUM4190TRIZ-RL come in?
The component is packaged in a 16-Lead SOIC (Increased Creepage).
- Is the ADUM4190TRIZ-RL RoHS compliant?
- What are some of the key advantages of using the ADUM4190TRIZ-RL over optocoupler-based solutions?
The ADUM4190TRIZ-RL offers stable performance over time and temperature, unlike optocoupler-based solutions which have uncertain current transfer ratios.
