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UCC44273

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Einkanaliger 4-A-/4-A-Low-Side-Gate-Treiber mit 5-V-UVLO

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UCC44273

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Produktdetails

Number of channels 1 Power switch GaNFET, IGBT, MOSFET Peak output current (A) 4 Input supply voltage (min) (V) 4.5 Input supply voltage (max) (V) 18 Features Hysteretic Logic Operating temperature range (°C) -40 to 140 Rise time (ns) 8 Fall time (ns) 7 Propagation delay time (µs) 0.013 Input threshold CMOS, TTL Channel input logic Non-Inverting Input negative voltage (V) -5 Rating Catalog Undervoltage lockout (typ) (V) 4 Driver configuration Non-Inverting
Number of channels 1 Power switch GaNFET, IGBT, MOSFET Peak output current (A) 4 Input supply voltage (min) (V) 4.5 Input supply voltage (max) (V) 18 Features Hysteretic Logic Operating temperature range (°C) -40 to 140 Rise time (ns) 8 Fall time (ns) 7 Propagation delay time (µs) 0.013 Input threshold CMOS, TTL Channel input logic Non-Inverting Input negative voltage (V) -5 Rating Catalog Undervoltage lockout (typ) (V) 4 Driver configuration Non-Inverting
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • 5-pin DBV (SOT-23) package option
  • Industry standard pinout
  • 4-A peak source and sink symmetrical drive
  • Ability to handle negative voltages (–5 V) at inputs
  • Fast propagation delays (13 ns typical)
  • Fast rise and fall times (9 ns and 7 ns typical)
  • 4.5-V to 18-V single supply range
  • Outputs held low during VDD UVLO (ensures glitch-free operation at power up and power down)
  • TTL and CMOS compatible input-logic threshold (independent of supply voltage)
  • Hysteretic-logic thresholds for high-noise immunity
  • Output held low when input pin is floating
  • Input pin absolute maximum voltage levels not restricted by VDD pin bias supply voltage
  • Operating temperature range of –40°C to 140°C
  • 5-pin DBV (SOT-23) package option
  • Industry standard pinout
  • 4-A peak source and sink symmetrical drive
  • Ability to handle negative voltages (–5 V) at inputs
  • Fast propagation delays (13 ns typical)
  • Fast rise and fall times (9 ns and 7 ns typical)
  • 4.5-V to 18-V single supply range
  • Outputs held low during VDD UVLO (ensures glitch-free operation at power up and power down)
  • TTL and CMOS compatible input-logic threshold (independent of supply voltage)
  • Hysteretic-logic thresholds for high-noise immunity
  • Output held low when input pin is floating
  • Input pin absolute maximum voltage levels not restricted by VDD pin bias supply voltage
  • Operating temperature range of –40°C to 140°C

The UCC44273 single-channel, high-speed, low-side gate driver device is capable of effectively driving MOSFET and IGBT power switches. Using a design that inherently minimizes shoot-through current, the UCC44273 is capable of sourcing and sinking high peak-current pulses into capacitive loads offering rail-to-rail drive capability and extremely small propagation delay typically 13 ns.

The UCC44273 device is capable of handling –5 V at the input pins. The UCC44273 provides 4-A source and 4-A sink (symmetrical drive) peak-drive current capability at VDD = 12 V.

The UCC44273 is designed to operate over a wide VDD range of 4.5 V to 18 V and wide temperature range of –40°C to 140°C. Internal Undervoltage Lockout (UVLO) circuitry on VDD pin holds output low outside VDD operating range.

The input pin threshold of the UCC44273 device is based on TTL and CMOS compatible low-voltage logic which is fixed and independent of the VDD supply voltage. Wide hysteresis between the high and low thresholds offers excellent noise immunity.

The UCC44273 single-channel, high-speed, low-side gate driver device is capable of effectively driving MOSFET and IGBT power switches. Using a design that inherently minimizes shoot-through current, the UCC44273 is capable of sourcing and sinking high peak-current pulses into capacitive loads offering rail-to-rail drive capability and extremely small propagation delay typically 13 ns.

The UCC44273 device is capable of handling –5 V at the input pins. The UCC44273 provides 4-A source and 4-A sink (symmetrical drive) peak-drive current capability at VDD = 12 V.

The UCC44273 is designed to operate over a wide VDD range of 4.5 V to 18 V and wide temperature range of –40°C to 140°C. Internal Undervoltage Lockout (UVLO) circuitry on VDD pin holds output low outside VDD operating range.

The input pin threshold of the UCC44273 device is based on TTL and CMOS compatible low-voltage logic which is fixed and independent of the VDD supply voltage. Wide hysteresis between the high and low thresholds offers excellent noise immunity.
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Typ Titel Datum
* Data sheet UCC44273 4-A, 4-A Single-Channel Low-Side Driver with 5-V UVLO datasheet PDF | HTML 04 Okt 2023
Application note Selecting Gate Drivers for HVAC Systems PDF | HTML 04 Apr 2024
Application note How to Choose a Gate Driver for DC Motor Drives PDF | HTML 05 Okt 2023

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