Overview
The ISOW7840FDWER from Texas Instruments is a high-performance, quad-channel reinforced digital isolator with an integrated high-efficiency power converter. This device is designed to provide robust isolation and power conversion, making it suitable for a variety of applications that require high electromagnetic immunity and low emissions. The ISOW7840FDWER features a 16-pin SOIC wide-body package and supports extended temperature ranges from –40°C to +125°C, enhancing its reliability in diverse environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Isolated Supply Voltage (VISO) | 4.75 | 5.07 | 5.43 | V |
| DC Line Regulation (VISO(LINE)) | 2 | mV/V | ||
| DC Load Regulation (VISO(LOAD)) | 1% | |||
| Efficiency at Maximum Load Current | 53% | |||
| Positive-going UVLO Threshold on VCC, VISO | 2.7 | V | ||
| Isolation Voltage | 5000 VRMS | |||
| Package Type | 16-pin SOIC-WB | |||
| Operating Temperature Range | –40°C | +125°C | °C |
Key Features
- Quad-channel reinforced digital isolator with integrated high-efficiency power converter.
- High electromagnetic immunity and low emissions.
- ±8 kV IEC 61000-4-2 contact discharge protection across the isolation barrier.
- Safety-related certifications: 7071-VPK reinforced isolation per DIN V VDE V 0884-11:2017-01, 5000-VRMS isolation for 1 minute per UL 1577, CSA Certification per IEC 60950-1, IEC 62368-1, and IEC 60601-1 end equipment standards.
- Extended temperature range: –40°C to +125°C.
- Available in a 16-pin SOIC wide-body package.
Applications
- Industrial automation.
- Motor control.
- Grid infrastructure.
- Medical equipment.
- Test and measurement.
Q & A
- What is the primary function of the ISOW7840FDWER?
The ISOW7840FDWER is a quad-channel reinforced digital isolator with an integrated high-efficiency power converter, designed to provide robust isolation and power conversion. - What are the key safety certifications of the ISOW7840FDWER?
The device has certifications such as 7071-VPK reinforced isolation per DIN V VDE V 0884-11:2017-01, 5000-VRMS isolation for 1 minute per UL 1577, CSA Certification per IEC 60950-1, IEC 62368-1, and IEC 60601-1 end equipment standards. - What is the operating temperature range of the ISOW7840FDWER?
The operating temperature range is from –40°C to +125°C. - What type of package does the ISOW7840FDWER come in?
The device is available in a 16-pin SOIC wide-body package. - What are some of the applications for the ISOW7840FDWER?
Applications include industrial automation, motor control, grid infrastructure, medical equipment, and test and measurement. - How much isolated power can the ISOW7840FDWER provide?
The integrated DC-DC converter provides up to 650 mW of isolated power. - What is the efficiency of the power converter at maximum load current?
The efficiency at maximum load current is 53%. - What level of ESD protection does the ISOW7840FDWER offer?
The device offers ±8 kV IEC 61000-4-2 contact discharge protection across the isolation barrier. - How does the ISOW7840FDWER enhance electromagnetic compatibility?
The device enhances electromagnetic compatibility through innovative chip design and layout techniques, easing system-level ESD, EFT, surge, and emissions compliance. - What is the default output state if the input signal is lost?
For devices without the F suffix, the default output is high, and for devices with the F suffix, the default output is low.
