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MIC33153 - 4MHz 1.2A Internal Inductor PWM Buck Regulator

Description

The MIC33153 is a high-efficiency 4 MHz 1.2A synchronous buck regulator with an internal inductor, HyperLight Load® mode, Power Good (PG) output indicator, and programmable soft-start.

Features

  • Internal Inductor.
  • Simplifies Design to Two External Capacitors.
  • Input Voltage: 2.7V to 5.5V.
  • Output Voltage: Fixed or Adjustable (0.62V to 3.6V).
  • Up to 1.2A Output Current.
  • Up to 93% Peak Efficiency.
  • 85% Typical Efficiency at 1 mA.
  • Power Good (PG) Output.
  • Programmable Soft-Start.
  • 22 μA Typical Quiescent Current.
  • 4 MHz PWM Operation in Continuous Mode.
  • Ultra-Fast Transient Response.

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Full PDF Text Transcription

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MIC33153 4 MHz 1.2A Internal Inductor PWM Buck Regulator with HyperLight Load® and Power Good Features • Internal Inductor • Simplifies Design to Two External Capacitors • Input Voltage: 2.7V to 5.5V • Output Voltage: Fixed or Adjustable (0.62V to 3.6V) • Up to 1.2A Output Current • Up to 93% Peak Efficiency • 85% Typical Efficiency at 1 mA • Power Good (PG) Output • Programmable Soft-Start • 22 μA Typical Quiescent Current • 4 MHz PWM Operation in Continuous Mode • Ultra-Fast Transient Response • Low Ripple Output Voltage - 35 mVPP Ripple in HyperLight Load® Mode - 7 mV Output Voltage Ripple in Full PWM Mode • 0.01 μA Shutdown Current • Thermal Shutdown and Current Limit Protection • 14-pin 3.0 x 3.5 x 1.
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