Overview
The ADUM5028-5BRIZ is an isoPower, integrated, isolated dc-to-dc converter produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler technology to provide regulated, isolated power. It is designed to eliminate the need for custom isolated dc-to-dc converter designs in applications up to 500 mW. The ADUM5028-5BRIZ is available in an 8-lead, wide body SOIC package, making it a space-saving solution for various applications.
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 | 4.5 V ≤ VISO ≤ 5.5 V, IISO = 10 mA |
| Line Regulation | VISO (LINE) | 2 | mV/V | IISO = 30 mA, 50 mA | ||
| Efficiency at IISO (MAX) | 27 % | % | IISO = 100 mA, TA = 25°C | |||
| VDDP Supply Current No VISO Load | IDDP (Q) | 5 | 18 | mA | No VISO load | |
| VDDP Supply Current Full VISO Load | IDDP (MAX) | 250 | mA | Full VISO load | ||
| Thermal Shutdown Shutdown Temperature | 154 | °C | ||||
| Thermal Hysteresis | 10 | °C |
Key Features
- Isolated Power Supply: Provides regulated, isolated power using iCoupler technology, ensuring compliance with CISPR22 Class B limits at full load on a 2-layer PCB with ferrites.
- Compact Package: Available in an 8-lead, wide body SOIC package, making it a space-saving solution.
- High Efficiency: Achieves efficiency of up to 27% at maximum output current.
- Thermal Protection: Features thermal shutdown with a shutdown temperature of 154°C and thermal hysteresis of 10°C.
- Wide Operating Range: Operates over a temperature range of -40°C to +125°C.
Applications
- Industrial Control Systems: Suitable for use in industrial control systems where isolated power is required.
- Medical Devices: Can be used in medical devices that need isolated power supplies to ensure patient safety.
- Aerospace and Defense: Applicable in aerospace and defense systems where high reliability and isolation are critical.
- Automotive Systems: Used in automotive systems that require isolated power supplies for various modules.
Q & A
- What is the primary function of the ADUM5028-5BRIZ?
The ADUM5028-5BRIZ is an integrated, isolated dc-to-dc converter that provides regulated, isolated power.
- What technology does the ADUM5028-5BRIZ use?
The ADUM5028-5BRIZ uses Analog Devices' iCoupler technology.
- What is the package type of the ADUM5028-5BRIZ?
The ADUM5028-5BRIZ is available in an 8-lead, wide body SOIC package.
- What are the typical operating conditions for the ADUM5028-5BRIZ?
The typical operating conditions include a temperature range of -40°C to +125°C and input voltage range of 4.5 V to 5.5 V.
- What is the maximum output current of the ADUM5028-5BRIZ?
The maximum output current is 100 mA, with derating for temperatures above 85°C.
- Does the ADUM5028-5BRIZ have thermal protection?
Yes, it features thermal shutdown with a shutdown temperature of 154°C and thermal hysteresis of 10°C.
- What are some common applications of the ADUM5028-5BRIZ?
Common applications include industrial control systems, medical devices, aerospace and defense systems, and automotive systems.
- What is the efficiency of the ADUM5028-5BRIZ at maximum output current?
The efficiency at maximum output current is up to 27%.
- Is the ADUM5028-5BRIZ compliant with any specific standards?
Yes, it is compliant with CISPR22 Class B limits at full load on a 2-layer PCB with ferrites.
- Where can I find more detailed specifications for the ADUM5028-5BRIZ?
You can find detailed specifications in the datasheet available on the Analog Devices website or through authorized distributors like Newark Electronics and Element14.
