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IC REG BUCK ADJ 2A DL TSOT23-8
DESCRIPTION
The MP2122 is an internally-compensated,1MHz fixed-frequency, dual PWM, synchronous, step-down regulator. The MP2122 operates from a 2.7V-to-6V input, generates an output voltage as low as 0.608V, and has a 45uA quiescent current that makes it ideal for powering portable equipment that runs on a single cell lithium-ion(Li+) battery.
The MP2122 integrates dual 80mQ high-side switches and 35mQ synchronous rectifiers forhigh efficiency without an external Schottkydiode. Peak-current mode control and internal compensation limits the minimum number of readily-available extemal components.
Fault-condition protections include cycle-by-cycle current limiting and thermal shutdown.
The MP2122 is available in an 8-pin TSOT23-8 package.
FEATURES
· Dual 2A-Output Curent
· >93%Peak Efficiency
· >80% Light-Load Efficiency
· Wide 2.7V-to-6V Operating Input Range
· 80mQ and 35mQ Internal Power MOSFET
· 1MHz Fixed Switching Frequency
· Adjustable Output from 0.608V to VIN
· 180°Phase-Shifted Operation
· 100% Duty-Cycle Operation
· 45uA Quiescent Current
· Cycle-by-Cycle Over-Current Protection
· Short-Circuit Protection with Hiccup Mode
· Thermal Shutdown
· Available in an 8-pin TSOT23-8 Package
APPLICATIONS
· Small/Handhold Devices
· DVD Drivers
· Portable Instruments
· Smartphones and Feature Phones
· Battery-Powered Devices
TYPICAL APPLICATION
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