Overview
The ADUM5020-5BRWZ-RL, produced by Analog Devices Inc., is an isoPower®, integrated, isolated dc-to-dc converter. This device utilizes Analog Devices' iCoupler® technology to provide regulated, isolated power. It is designed to eliminate the need for designing and building isolated dc-to-dc converters in applications up to 500 mW. The ADUM5020-5BRWZ-RL is available in a wide body, 16-lead SOIC_W package and is suitable for various voltage combinations, including 5 V input to 5 V output configurations.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| DC-TO-DC CONVERTER SUPPLY Setpoint | VISO | 4.75 | 5.0 | 5.25 | V | 4.75 V < VISO < 5.25 V, IISO = 100 mA, TA = 25°C |
| Efficiency at IISO (MAX) | 33 % | % | IISO = 100 mA, TA = 25°C | |||
| VDDP Supply Current No VISO Load | IDDP (Q) | 25 | 310 | mA | Full VISO Load | |
| Thermal Shutdown Shutdown Temperature | 154 | °C | ||||
| Thermal Hysteresis | 10 | °C | ||||
| Line Regulation VISO (LINE) | 2 | mV/V | IISO = 30 mA, VDDP = 4.5 V to 5.5 V | |||
| Load Regulation VISO (LOAD) | 1 | 5 | % | IISO = 10 mA to 90 mA | ||
| Output Ripple VISO (RIP) | 50 | mV p-p | 20 MHz bandwidth, CBO = 0.1 µF||10 µF, IISO = 90 mA | |||
| Output Noise VISO (NOISE) | 130 | mV p-p | CBO = 0.1 µF||10 µF, IISO = 90 mA | |||
| Switching Frequency fOSC | 180 | MHz | ||||
| PWM Frequency fPWM | 625 | kHz |
Key Features
- Isolated Power Supply: Provides regulated, isolated power using iCoupler® technology, ensuring high isolation and low emissions below CISPR22 Class B limits.
- Compact Design: Available in a wide body, 16-lead SOIC_W package, offering a small form factor solution.
- High Efficiency: Achieves an efficiency of up to 33% at maximum output current, enhancing overall system performance.
- Thermal Protection: Features thermal shutdown with a shutdown temperature of 154°C and thermal hysteresis of 10°C, ensuring reliable operation under various conditions.
- Low Emissions: Designed to operate below CISPR22 Class B limits at full load on a 2-layer printed circuit board (PCB) with ferrites, minimizing electromagnetic interference.
Applications
- Industrial Automation: Suitable for use in industrial control systems, sensors, and actuators where isolated power is required.
- Medical Devices: Can be used in medical equipment that demands high isolation and low noise power supplies.
- Aerospace and Defense: Applicable in aerospace and defense systems where reliable, isolated power is crucial.
- Automotive Systems: Useful in automotive applications requiring isolated power supplies, such as in vehicle control units and sensors.
Q & A
- What is the primary function of the ADUM5020-5BRWZ-RL?
The ADUM5020-5BRWZ-RL is an integrated, isolated dc-to-dc converter that provides regulated, isolated power using iCoupler® technology.
- What are the typical input and output voltage configurations for the ADUM5020-5BRWZ-RL?
The device typically operates with a 5 V input to 5 V output configuration, but other configurations such as 3.3 V input to 3.3 V output are also available.
- What is the maximum output current of the ADUM5020-5BRWZ-RL?
The maximum output current is derated by 1.75 mA/ºC for temperatures above 85ºC, with a typical maximum output current of 100 mA at 25°C.
- What is the switching frequency of the ADUM5020-5BRWZ-RL?
The switching frequency is 180 MHz, and the PWM frequency is 625 kHz.
- What are the thermal shutdown and hysteresis values for the ADUM5020-5BRWZ-RL?
The thermal shutdown temperature is 154°C, and the thermal hysteresis is 10°C.
- What package type is the ADUM5020-5BRWZ-RL available in?
The device is available in a wide body, 16-lead SOIC_W package.
- What are the typical efficiency and output ripple values for the ADUM5020-5BRWZ-RL?
The efficiency is up to 33%, and the output ripple is 50 mV p-p at 20 MHz bandwidth.
- Is the ADUM5020-5BRWZ-RL suitable for high-temperature applications?
Yes, it operates over a temperature range of −40°C to +125°C.
- What are some common applications for the ADUM5020-5BRWZ-RL?
It is commonly used in industrial automation, medical devices, aerospace and defense, and automotive systems.
- How does the ADUM5020-5BRWZ-RL minimize electromagnetic interference?
The device is designed to operate below CISPR22 Class B limits at full load on a 2-layer PCB with ferrites, minimizing electromagnetic interference).
