Order- MP2122A
MP2122A
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Description
The MP2122A is an internally compensated, 1MHz, fixed-frequency, dual, PWM, synchronous, step-down regulator with advanced light-load mode. The MP2122A operates from a 2.7V to 6V input, generates an output voltage as low as 0.608V, and has a 45µA quiescent current, making it ideal for powering portable equipment that run on a single-cell lithium-ion (Li+) battery.
The MP2122A integrates dual, 80mΩ, high-side switches and 35mΩ, synchronous rectifiers for high efficiency without an external Schottky diode. Peak-current mode control and internal compensation limits the minimum number of readily available external components.
Full protection features include cycle-by-cycle current limiting and thermal shutdown.
The MP2122A is available in an 8-pin TSOT23 package.
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Features & Benefits
- Dual 2A Output Current
- >93% Peak Efficiency
- >80%Light-Load Efficiency
- Advanced Light-Load Mode
- Wide 2.7V to 6V Operating Input Range
- 80mΩ and 35mΩ Internal Power MOSFET
- 1MHz Fixed Switching Frequency
- Adjustable Output from 0.608V to VIN
- 180° Phase-Shifted Operation
- 100% Duty Cycle Operation
- 45µA Quiescent Current
- Cycle-by-Cycle Over-Current Protection (OCP)
- Short-Circuit Protection (SCP) with Hiccup Mode
- Thermal Shutdown
- Available in a TSOT23-8 Package
Active Part Numbers:
MP2122AGJ-P MP2122AGJ-Z
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP2122A Resources
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