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DATA SHEET
ISOW7721 Two-Channel Digital Isolator with Integrated Low-Emissions, Low-Noise DC-DC Converter
1 Features
- 100 Mbps data rate
- Integrated DC-DC converter with
low-emissions, low-noise
- Emissions optimized to meet CISPR 32 and EN 55032
Class B with >5 dB margin on 2 layer board
- Low frequency power converter at 25
MHz enabling low noise performance
- Low output ripple: 24 mV
- High efficiency output power
- Efficiency at max load: 46%
- Up to 0.55-W output power
- VISOOUT accuracy of ± 5%
- 5 V to 5 V: Max available load
current = 110 mA
- 5 V to 3.3 V: Max available load
current = 140 mA
- 3.3 V to 3.3 V: Max available load
current = 60 mA
- Support for multi-ISOW7721 chain to increase system power output to > 1-W and >
200 mA
- Independent power supply for channel isolator
& power converter
- Logic supply (VIO): 1.71-V
to 5.5-V
- Power converter supply
(VDD): 3-V to 5.5-V
- Robust electromagnetic compatibility (EMC)
- System-level ESD, EFT, and surge immunity
- ±8 kV IEC 61000-4-2 contact discharge protection across isolation barrier
- Reinforced and Basic isolation options
- High CMTI: 100-kV/µs (typical)
- Safety Related Certifications
(Planned):
- VDE reinforced and basic insulation
per DIN VDE V 0884-11:2017-01
- UL 1577 component recognition
program
- IEC 62368-1, IEC 61010-1, IEC 60601-1
and GB 4943.1-2011 certifications
- Extended temperature range: –40°C to +125°C
- 20-pin wide body SOIC package
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