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2.5-A/5-A single-channel gate driver with 8-V UVLO, 35-V VDD, and split outputs

UCC27531DR General Description

Featuring split outputs and strong asymmetrical drive, the UCC27531DR provides enhanced immunity against parasitic effects like Miller turn-on and helps minimize ground debouncing issues. This makes it a reliable choice for applications where stability and reliability are paramount. The device also offers additional functionality such as enable, dual input, and inverting/non-inverting input options, giving designers flexibility in circuit design

Key Features

  • Low-cost gate driver (offering optimal solution for driving FET and IGBTs)
  • Superior replacement to discrete transistor pair drive (providing easy interface with controller)
  • TTL and CMOS compatible input logic threshold (independent of supply voltage)
  • Split output options allow for tuning of turnon and turnoff currents
  • Inverting and noninverting input configurations
  • Enable with fixed TTL compatible threshold
  • High 2.5-A source and 2.5-A or 5-A sink peak drive currents at 18-V VDD
  • Wide VDD range from 10 V to 35 V
  • Input and enable pins capable of with standing up to –5-V DC below ground
  • Output held low when inputs are floating or during VDD UVLO
  • Fast propagation delays (17-ns Typical)
  • Fast rise and fall times
    (15-ns and 7-ns typical with 1800-pF Load)
  • Undervoltage lockout (UVLO)
  • Used as a high-side or low-side driver (if designed with proper bias and signal isolation)
  • Low-cost, space-saving 5-pin or 6-pin DBV (SOT-23) package options
  • UCC27536 and UCC27537 pin-to-pin compatible to TPS2828 and TPS2829
  • Operating temperature range of –40°C to 140°C


Number of channels 1 Power switch IGBT, MOSFET, SiCFET
Peak output current (A) 5 Input VCC (min) (V) 10
Input VCC (max) (V) 32 Features Split Output
Operating temperature range (°C) -40 to 125, -40 to 140 Rise time (ns) 15
Fall time (ns) 7 Propagation delay time (µs) 0.017
Input threshold CMOS, TTL Channel input logic Non-Inverting, Single
Input negative voltage (V) -5 Rating Catalog
Undervoltage lockout (typ) (V) 8 Driver configuration Non-Inverting, Single

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