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UCC44273 Series

4-A/4-A single-channel low-side gate driver with 5-V UVLO

Manufacturer: Texas Instruments

Catalog(1 parts)

PartNumber of DriversPackage / CaseOperating TemperatureOperating TemperatureGate TypeDriven ConfigurationCurrent - Peak Output (Source, Sink)Current - Peak Output (Source, Sink)Voltage - SupplyVoltage - SupplySupplier Device PackageChannel TypeRise / Fall Time (Typ)Rise / Fall Time (Typ)Mounting TypeInput Type
Texas Instruments
UCC44273DBVR
Low-Side Gate Driver IC Non-Inverting SOT-23-5
1 ul
SC-74A, SOT-753
-40 °C
140 °C
IGBT, N-Channel MOSFET
Low-Side
4 A
4 A
18 V
4.5 V
SOT-23-5
Single
7.999999773744548e-9 s
7.000000135093387e-9 s
Surface Mount
Non-Inverting

Key Features

5-pin DBV (SOT-23) package optionIndustry standard pinout4-A peak source and sink symmetrical driveAbility to handle negative voltages (–5 V) at inputsFast propagation delays (13 ns typical)Fast rise and fall times (9 ns and 7 ns typical)4.5-V to 18-V single supply rangeOutputs 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 immunityOutput held low when input pin is floatingInput pin absolute maximum voltage levels not restricted by VDD pin bias supply voltageOperating temperature range of –40°C to 140°C5-pin DBV (SOT-23) package optionIndustry standard pinout4-A peak source and sink symmetrical driveAbility to handle negative voltages (–5 V) at inputsFast propagation delays (13 ns typical)Fast rise and fall times (9 ns and 7 ns typical)4.5-V to 18-V single supply rangeOutputs 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 immunityOutput held low when input pin is floatingInput pin absolute maximum voltage levels not restricted by VDD pin bias supply voltageOperating temperature range of –40°C to 140°C

Description

AI
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.