Overview
The ADUM4190TRIZ is an isolated error amplifier developed by Analog Devices Inc., utilizing ADI's 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 ensures a stable transfer function over its lifetime and across a wide temperature range of -40°C to +125°C, making it highly reliable for various power supply applications.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADUM4190TRIZ |
| Package Type | SOIC-16 |
| Pin Count | 16 |
| Voltage Supply Range | 3.0 V to 20 V (VDD1 and VDD2) |
| Reference Voltage | 1.225 V |
| Initial Accuracy | 0.5% |
| Accuracy over Full Temperature Range | 1% |
| Output -3 dB Bandwidth | 400 kHz typical |
| Isolation Voltage | 5 kV rms reinforced |
| Low Power Operation | <7 mA total |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| Dimensions | 12.85 x 7.6 x 2.44 mm |
Key Features
- Stable over time and temperature, ensuring consistent performance.
- High accuracy with 0.5% initial accuracy and 1% accuracy over the full temperature range.
- Compatible with Type II or Type III compensation networks.
- Includes a high accuracy 1.225 V reference voltage.
- Compatible with DOSA (Distributed-power Open Standard Architecture).
- Low power operation with total current less than 7 mA.
- Wide voltage supply range from 3.0 V to 20 V.
- High isolation voltage of 5 kV rms reinforced.
- Fast output -3 dB bandwidth of 400 kHz typical, allowing for quick response to transient conditions.
Applications
The ADUM4190TRIZ is ideal for linear feedback power supplies, particularly in applications requiring high stability and isolation. It is suitable for use in:
- Linear power supplies
- Shunt regulators
- Inverters
- UPS systems
- Defense and aerospace applications (ADUM4190-EP variant)
Q & A
- What is the primary function of the ADUM4190TRIZ?
The ADUM4190TRIZ is an isolated error amplifier designed for linear feedback power supplies.
- What technology does the ADUM4190TRIZ use?
The ADUM4190TRIZ uses ADI's iCoupler technology.
- What is the temperature range of the ADUM4190TRIZ?
The ADUM4190TRIZ operates over a temperature range of -40°C to +125°C.
- What is the isolation voltage of the ADUM4190TRIZ?
The isolation voltage is 5 kV rms reinforced.
- What is the reference voltage provided by the ADUM4190TRIZ?
The reference voltage is 1.225 V.
- Is the ADUM4190TRIZ compatible with DOSA?
Yes, the ADUM4190TRIZ is compatible with DOSA.
- What is the typical output -3 dB bandwidth of the ADUM4190TRIZ?
The typical output -3 dB bandwidth is 400 kHz.
- What are the dimensions of the ADUM4190TRIZ package?
The dimensions are 12.85 x 7.6 x 2.44 mm.
- Is there a variant of the ADUM4190TRIZ for defense and aerospace applications?
Yes, the ADUM4190-EP variant supports defense and aerospace applications.
- What is the power consumption of the ADUM4190TRIZ?
The total power consumption is less than 7 mA.
