Overview
The ADuM3190TRQZ is a high stability isolated error amplifier produced by Analog Devices Inc., utilizing their 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 ADuM3190TRQZ features a wideband operational amplifier and a high accuracy 1.225 V reference voltage, making it suitable for a variety of power supply loop compensation techniques. It is packaged in a 16-lead QSOP package with a 2.5 kV rms isolation voltage rating.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Range, Side 1 (VDD1) | 3.0 | 20 | V | |
| Operating Range, Side 2 (VDD2) | 3.0 | 20 | V | |
| Output Voltage, EAOUT | 0.4 | 2.7 | V | |
| Output Voltage, EAOUT2 (VDD1 = 4.5 V to 5.5 V) | 0.3 | 0.6 | V | |
| Output Voltage, EAOUT2 (VDD1 = 10 V to 20 V) | 0.3 | 0.6 | V | |
| Noise, EAOUT | 1.7 | mV rms | ||
| Noise, EAOUT2 | 4.8 | mV rms | ||
| Bandwidth | 100 | 400 | kHz | |
| Isolation Voltage | 2.5 | kV rms | ||
| Operating Temperature | -40 | 125 | °C | |
| Junction-to-Ambient Thermal Resistance | 76 | °C/W |
Key Features
- High stability isolated error amplifier based on iCoupler® technology.
- Wideband operational amplifier for various power supply loop compensation techniques.
- High accuracy 1.225 V reference voltage.
- Low power operation: less than 7 mA total.
- Wide voltage supply range: VDD1 and VDD2 from 3 V to 20 V.
- Stable over a wide temperature range of -40°C to +125°C.
- Qualified for automotive applications.
- UL, CSA, and VDE regulatory approvals.
Applications
- Linear feedback power supplies.
- Power supply loop compensation.
- Automotive power systems.
- Industrial power supplies requiring high stability and isolation.
- Distributed power systems (DOSA) compatible.
Q & A
- What is the primary function of the ADuM3190TRQZ?
The ADuM3190TRQZ is an isolated error amplifier designed for use in linear feedback power supplies.
- What technology does the ADuM3190TRQZ use?
The ADuM3190TRQZ uses Analog Devices' iCoupler® technology.
- What is the isolation voltage rating of the ADuM3190TRQZ?
The isolation voltage rating is 2.5 kV rms.
- What is the operating temperature range of the ADuM3190TRQZ?
The operating temperature range is -40°C to +125°C.
- What is the bandwidth of the ADuM3190TRQZ?
The bandwidth ranges from 100 kHz to 400 kHz.
- Is the ADuM3190TRQZ qualified for automotive applications?
- What regulatory approvals does the ADuM3190TRQZ have?
The ADuM3190TRQZ has UL, CSA, and VDE regulatory approvals.
- What is the package type of the ADuM3190TRQZ?
The ADuM3190TRQZ is packaged in a 16-lead QSOP package.
- What is the reference voltage provided by the ADuM3190TRQZ?
The ADuM3190TRQZ provides a high accuracy 1.225 V reference voltage.
- How much power does the ADuM3190TRQZ consume?
The ADuM3190TRQZ operates with less than 7 mA total power consumption.
