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MIC23153 Datasheet(PDF) 1 Page - Microchip Technology |
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MIC23153 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 26 page  2021-2022 Microchip Technology Inc. and its subsidiaries DS20006489B-page 1 MIC23153 Features • Input Voltage: 2.7V to 5.5V • Output Voltage: Fixed or Adjustable (0.62V to 3.6V) • Up to 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 - 5 mV Output Voltage Ripple in Full PWM Mode • Fully Integrated MOSFET Switches • 0.01 µA Shutdown Current • Thermal Shutdown and Current Limit Protection • 10-Pin 2.5 mm x 2.5 mm Thin DFN Package • –40°C to +125°C Junction Temperature Range Applications • Solid State Drives (SSD) • Mobile Handsets • Portable Media/MP3 Players • Portable Navigation Devices (GPS) • WiFi/WiMax/WiBro Modules • Wireless LAN Cards • Portable Applications General Description The MIC23153 is a high-efficiency 4 MHz 2A synchronous buck regulator with HyperLight Load® mode, Power Good (PG) output indicator, and programmable soft-start. HyperLight Load® provides very high efficiency at light loads and ultra-fast transient response that makes the MIC23153 perfectly suited for supplying processor core voltages. An additional benefit of this proprietary architecture is very low output ripple voltage throughout the entire load range with the use of small output capacitors. The tiny 2.5 mm x 2.5 mm thin DFN package saves precious board space and requires only four external components. The MIC23153 is designed for use with a very small inductor, down to 0.47 µH, and an output capacitor as small as 2.2 µF that enables a total solution size, less than 1 mm in height. The MIC23153 has a very-low quiescent current of 22 µA and achieves a peak efficiency of 93% in continuous conduction mode. In discontinuous conduction mode, the MIC23153 can achieve 85% efficiency at 1 mA. The MIC23153 is available in 10-pin 2.5 mm x 2.5 mm TDFN package with an operating junction temperature range from –40°C to +125°C. 4 MHz PWM 2A Buck Regulator with HyperLight Load® and Power Good |
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