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DGD05473 - HIGH FREQUENCY HIGH-SIDE AND LOW-SIDE GATE DRIVER

General Description

The DGD05473 is a high-frequency gate driver capable of driving nchannel MOSFETs.

The floating high-side driver is rated up to 50V.

The DGD05473 logic inputs are compatible with standard TTL and CMOS levels (down to 3.3V) to interface easily with MCUs.

Key Features

  • 50V Floating High-Side Driver.
  • Drives Two N-Channel MOSFETs in a Half-Bridge Configuration.
  • 1.5A Source / 2.5A Sink Output Current Capability.
  • Internal Bootstrap Diode Included.
  • Undervoltage Lockout for High-Side and Low-Side Drivers.
  • Delay Matching Maxmimum of 5ns.
  • Propagation Delay Typical of 20ns.
  • Logic Input (HIN, LIN, and EN) 3.3V Capability.
  • Ultra-Low Standby Currents (< 1µA).
  • Extended Temperature Range: -40°C to +125°C.
  • Totally Lead-.

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DGD05473 HIGH-FREQUENCY HIGH-SIDE AND LOW-SIDE GATE DRIVER IN V-DFN3030-10 Description The DGD05473 is a high-frequency gate driver capable of driving nchannel MOSFETs. The floating high-side driver is rated up to 50V. The DGD05473 logic inputs are compatible with standard TTL and CMOS levels (down to 3.3V) to interface easily with MCUs. UVLO for high-side and low-side will protect a MOSFET with loss of supply. To protect MOSFETs, cross conduction prevention logic prevents the HO and LO outputs from being on at the same time. Fast and well-matched propagation delays allow a higher switching frequency, enabling a smaller, more compact power switching design, using smaller associated components. To minimize space, an internal bootstrap diode is included.