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Maxim introduces the MAX8620Y, a micro-power management integrated circuit (microPMIC). This device integrates a 500 mA step-down DC/DC converter, two 300 mA low-dropout linear regulators, and a 30 ms reset into a 9 mm² TDFN package with a maximum height of 0.8 mm. Applications for the device include cell phones, smartphones, and MP3 players. Providing up to 92% efficiency, the 4 MHz synchronous step-down D/DC converter uses a 1 microhenry inductor and small ceramic capacitors. Its 100 ns transient response fits processor applications like graphics processing, video streaming, and gaming. The two LDOs provide low noise 45 microvolts root-mean-square output, and their output voltages are pin-programmable to save size and maintain flexibility. The reset output warns the system of impending power loss, thereby allowing safe shutdown.

Maxim Integrated Products

Maxim Integrated Products, Inc.
120 San Gabriel Dr
Sunnyvale, CA, 94086