MP2112DQ-LF-Z Datasheet

1MHz, 1A Synchronous Step-Down Converter


The MP2112 is a 1MHz constant frequency, current mode, PWM step-down converter. The device integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode. It is ideal for powering portable equipment that powered by a single cell Lithium-Ion (Li+) battery. The MP2112 can supply 1A of load current from a 2.5V to 6V input voltage. The output voltage can be regulated as low as 0.6V. The MP2112 can also run at 100% duty cycle for low dropout applications.

• High Efficiency: Up to 95%
• 1MHz Constant Switching Frequency
• 1A Available Load Current
• 2.5V to 6V Input Voltage Range
• Output Voltage as Low as 0.6V
• 100% Duty Cycle in Dropout
• Current Mode Control
• Short Circuit Protection
• Thermal Fault Protection
• <0.1µA Shutdown Current
• Space Saving 3mm x 3mm QFN6 Package

• Cellular and Smart Phones
• Microprocessors and DSP Core Supplies
• PDAs
• MP3 Players
• Digital Still and Video Cameras
•Portable Instruments



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