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UCC27524ADR device is a dual-channel, high-speed, low-side, gate-driver device capable of effectively driving MOSFET and IGBT power switches. The UCC27524ADR is a variant of the UCC2752x family. The UCC27524ADR adds the ability to handle –5V directly at the input pins for increased robustness. The UCC27524ADR is a dual non-inverting driver. Using a design that inherently minimizes shoot-through current, the UCC27524ADR is capable of delivering high-peak current pulses of up to 5A source and 5A sink into capacitive loads along with rail-to-rail drive capability and extremely small propagation delay typically 17ns. In addition, the drivers feature matched internal propagation delays between the two channels which are very well suited for applications requiring dual-gate drives with critical timing, such as synchronous rectifiers. This also enables connecting two channels in parallel to effectively increase current-drive capability or driving two switches in parallel with a single input signal. The input pin thresholds are 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.

Features Of UCC27524ADR

Industry-standard pin out

Two independent gate-drive channels

5A peak source and sink-drive current

Independent-enable function for each output

TTL and CMOS compatible logic threshold independent of supply voltage

Hysteretic-logic thresholds for high noise immunity

Ability to handle negative voltages (–5V) at inputs

Inputs and enable pin-voltage levels not restricted by VDD pin bias supply voltage

4.5V to 18V single-supply range

Outputs held low during VDD-UVLO (ensures glitch-free operation at power up and power down)

Fast propagation delays (17ns typical)

Fast rise and fall times (6ns and 10ns typical)

1ns typical delay matching between 2-channels

Two outputs are paralleled for higher drive current

Outputs held in low when inputs floating

SOIC-8, HVSSOP-8 PowerPAD™ package options

Operating junction temperature range of –40 to 150°C

Applications Of UCC27524ADR

Switch-mode power supplies

DC-to-DC converters

Motor control, solar power

Gate drive for emerging wide band-gap power devices such as GaN

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