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SI8274DB1-IS1
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SI8274DB1-IS1 Datasheet - Silicon Laboratories
Silicon Laboratories
4 Amp ISOdriver with High Transient (dV/dt) Immunity
The Si827x isolators are ideal for driving power switches used in a wide variety of power supply, inverter, and motor control applications. The Si827x isolated gate drivers utilize Silicon Laboratories proprietary silicon isolation technology, supporting up to 2.5 kVRMS withstand voltage per UL1577 and VDE0884. This technology enables industry leading common-mode transient immunity (CMTI), tight timing specifications, reduced variation with temperature and age, better part-to-part matching, and extremely high reliability. It also offers unique features such as separate pull-up/down outputs, driver shutdown on UVLO fault, and precise dead time programmability. The Si827x series offers longer service life and dramatically higher reliability compared to opto-coupled gate drivers.
KEY FEATURES
• Single, dual, or high-side/low-side drivers
• Single PWM or dual digital inputs
• High dV/dt immunity:
• 200 kV/µs CMTI
• 400 kV/µs Latch-up
• Separate pull-up/down outputs for slew rate
control
• Wide supply range:
• Input supply: 2.5–5.5 V
• Driver supply: 4.2–30 V
• Very low jitter of 200 ps p-p
• 60 ns propagation delay (max)
• Dedicated enable pin
• Silicon Labs’ high performance isolation
technology:
• Industry leading noise immunity
• High speed, low latency and skew
• Best reliability available
• Compact packages:
• 8-pin SOIC
• 16-pin SOIC
• 5 x 5 mm LGA-14
• Industrial temperature range:
• –40 to 125 °C
• AEC-Q100 Qualified
Applications:
• Switch-mode Power Supplies
• Solar Power Inverters
• Motor control and drives
• Uninterruptible Power Supplies
• High-Power Class D Amplifiers
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