MAX5078

PRODUCTION

4A, 20ns, MOSFET Driver

4A, 20ns MOSFET Driver in 3mm x 3mm TDFN Power Package for Ultra-Compact, High-Frequency Power Supplies

Data Sheet (Rev. 2) Product Selection Table
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Overview

  • 4V to 15V Single Power Supply
  • 4A Peak Source/Sink Drive Current
  • 20ns (typ) Propagation Delay
  • Matching Delay Between Inverting and Noninverting Inputs
  • VDD/2 CMOS (MAX5078A)/TTL (MAX5078B) Logic Inputs
  • 0.1 x VDD (CMOS) and 0.3V (TTL) Logic-Input Hysteresis
  • Up to +18V Logic Inputs (Regardless of VDD Voltage)
  • Low Input Capacitance: 2.5pF (typ)
  • 40µA (typ) Quiescent Current
  • -40°C to +125°C Operating Temperature Range
  • 6-Pin TDFN Package

The MAX5078A/MAX5078B high-speed MOSFET drivers source and sink up to 4A peak current. These devices feature a fast 20ns propagation delay and 20ns rise and fall times while driving a 5000pF capacitive load. Propagation delay time is minimized and matched between the inverting and noninverting inputs. High sourcing/sinking peak currents, low propagation delay, and thermally enhanced packages make the MAX5078A/MAX5078B ideal for high-frequency and high-power circuits.
The MAX5078A/MAX5078B operate from a 4V to 15V single power supply and consume 40µA (typ) of supply current when not switching. These devices have an internal logic circuitry that prevents shoot-through during output state changes to minimize the operating current at a high switching frequency. The logic inputs are protected against voltage spikes up to +18V, regardless of the VDD voltage. The MAX5078A has CMOS input logic levels while the MAX5078B has TTL-compatible input logic levels.
The MAX5078A/MAX5078B feature both inverting and noninverting inputs for greater flexibility in controlling the MOSFET. They are available in a 6-pin TDFN (3mm x 3mm) package and operate over the automotive temperature range of -40°C to +125°C.

Applications

  • DC-DC Converters
  • Motor Control
  • Power MOSFET Switching
  • Power-Supply Modules
  • Switch-Mode Power Supplies
MAX5078
4A, 20ns, MOSFET Driver
MAX5078: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
MOSFET & Gate Drivers 5
MAX5048
PRODUCTION 7.6A, 12ns, SOT23/TDFN MOSFET Driver
MAX5054
PRODUCTION 4A, 20ns, Dual MOSFET Drivers
MAX5055
NOT RECOMMENDED FOR NEW DESIGNS 4A, 20ns, Dual MOSFET Drivers
MAX5056
PRODUCTION 4A, 20ns, Dual MOSFET Drivers
MAX5057
NOT RECOMMENDED FOR NEW DESIGNS 4A, 20ns, Dual MOSFET Drivers
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Tools & Simulations

SPICE Model 2

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