Overview
The ADUM5020-3BRWZ is an integrated, isolated dc-to-dc converter from Analog Devices Inc., utilizing the company's iCoupler® technology. This device is part of the isoPower® family and is designed to provide regulated, isolated power with high efficiency and low noise. It is particularly useful in applications requiring isolated power up to 500 mW. The ADUM5020-3BRWZ operates with a 3.3 V input and provides a 3.3 V isolated output, making it suitable for a variety of industrial, medical, and automotive applications where isolation is critical.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| DC-to-DC Converter Supply Setpoint | VISO | 3.135 | 3.3 | 3.465 | V | IISO = 10 mA |
| Line Regulation | VISO (LINE) | 2 | mV/V | IISO = 50 mA, VDDP = 3.0 V to 3.6 V | ||
| Load Regulation | VISO (LOAD) | 1 | 5% | IISO = 7 mA to 63 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 | |||
| Output Supply Current | IISO (MAX) | 35 | 70 | mA | 3.135 V < VISO < 3.465 V | |
| Efficiency at IISO (MAX) | 33% | IISO = 70 mA, TA = 25°C | ||||
| Thermal Shutdown | 154 | °C | ||||
| Thermal Hysteresis | 10 | °C |
Key Features
- Isolated Power Supply: Provides regulated, isolated power up to 500 mW, suitable for applications requiring high isolation.
- iCoupler Technology: Utilizes Analog Devices' iCoupler technology for efficient and reliable isolation.
- Low Noise and Ripple: Offers low output ripple and noise, making it suitable for sensitive applications.
- High Efficiency: Achieves an efficiency of up to 33% at maximum output current.
- Compact Package: Available in a wide body, 16-lead SOIC_W package, providing a small form factor solution.
- Thermal Protection: Includes thermal shutdown and hysteresis for overtemperature protection.
Applications
- Industrial Control Systems: Suitable for use in industrial control systems where isolation is critical for safety and reliability.
- Medical Devices: Used in medical devices that require isolated power supplies to ensure patient safety.
- Automotive Systems: Applied in automotive systems for isolated power supply needs.
- Test and Measurement Equipment: Utilized in test and measurement equipment requiring isolated power supplies.
Q & A
- What is the primary function of the ADUM5020-3BRWZ?
The ADUM5020-3BRWZ is an integrated, isolated dc-to-dc converter that provides regulated, isolated power.
- What are the input and output voltages of the ADUM5020-3BRWZ?
The device operates with a 3.3 V input and provides a 3.3 V isolated output.
- What is the maximum output current of the ADUM5020-3BRWZ?
The maximum output current is 70 mA, with derating for temperatures above 105°C.
- What technology does the ADUM5020-3BRWZ use for isolation?
The device uses Analog Devices' iCoupler technology for efficient and reliable isolation.
- What is the switching frequency of the ADUM5020-3BRWZ?
The switching frequency is 180 MHz.
- What is the thermal shutdown temperature of the ADUM5020-3BRWZ?
The thermal shutdown temperature is 154°C.
- What are the typical applications of the ADUM5020-3BRWZ?
Typical applications include industrial control systems, medical devices, automotive systems, and test and measurement equipment.
- What is the efficiency of the ADUM5020-3BRWZ at maximum output current?
The efficiency at maximum output current is up to 33%.
- What is the package type of the ADUM5020-3BRWZ?
The device is available in a wide body, 16-lead SOIC_W package.
- What are the key benefits of using the ADUM5020-3BRWZ?
The key benefits include high isolation, low noise and ripple, high efficiency, and compact packaging.
