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MC33981B Datasheet Single High-Side Switch

Manufacturer: Freescale Semiconductor (now NXP Semiconductors)

Overview: Freescale Semiconductor Advance Information Document Number: MC33981 Rev. 6.0, 5/2007 Single High-Side Switch (4.0 mΩ), PWM clock up to 60kHz The 33981 is a high-frequency, self-protected 4.0 mΩ RDS(ON) highside switch used to replace electromechanical relays, fuses, and discrete devices in power management applications. The 33981 can be controlled by Pulse-Width Modulation (PWM) with a frequency up to 60 kHz.

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Key Features

  • The 33981 is suitable for loads with high in-rush current, as well as motors and all types of resistive and inductive loads. The 33981 is packaged in a 12 x 12 non-leaded power-enhanced Power QFN package with exposed tabs. Features.
  • Single 4.0 mΩ RDS(ON) Maximum High-Side Switch.
  • PWM Capability up to 60 kHz with Duty Cycle from 5% to 100%.
  • Very Low Standby Current.
  • Slew Rate Control with External Capacitor.
  • Overcurrent and Overtemperature Protection,.

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