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MIC23051 - 4MHz PWM Buck Regulator 4MHz PWM Buck Regulator and Voltage Scaling

General Description

The Micrel MIC23051 is a high efficiency 500mA PWM synchronous buck (step-down) regulator featuring Hyper Light Load™, a patented switching scheme that offers best in class light load efficiency and transient performance while providing very small external components and low output ripple at all loa

Key Features

  • Input voltage range: 2.7V to 5.5V Fixed output voltage options from 0.72V to 2.5V Output voltage scaling option Output current to 500mA Ultra fast transient response 20µA typical quiescent current 4MHz in CCM PWM operation in normal mode Hyper light load mode 0.47µH to 2.2µH inductor Low voltage output ripple.
  • 25mVpp in.

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Datasheet Details

Part number MIC23051
Manufacturer Micrel Semiconductor
File Size 822.22 KB
Description 4MHz PWM Buck Regulator 4MHz PWM Buck Regulator and Voltage Scaling
Datasheet download datasheet MIC23051 Datasheet

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MIC23051 www.DataSheet4U.com 4MHz PWM Buck Regulator with HYPER LIGHT LOAD™ and Voltage Scaling General Description The Micrel MIC23051 is a high efficiency 500mA PWM synchronous buck (step-down) regulator featuring Hyper Light Load™, a patented switching scheme that offers best in class light load efficiency and transient performance while providing very small external components and low output ripple at all loads. The MIC23051 has an output voltage scaling feature that can toggles between two different voltage levels. The MIC23051 also has a very low typical quiescent current draw of 20µA and can achieve over 85% efficiency even at 1mA. The device allows operation with a tiny inductor ranging from 0.47µH to 2.2µH and uses a small output capacitor that enables a sub-1mm height.