EV2149-J-00A
6V, Dual 1A Low Quiescent Current SYNC Buck Regulator
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The EV2149-J-00A is used for demonstrating the performance of MPS’s MP2149, an internally compensated 1MHz fixed-frequency dual PWM synchronous step-down regulator.
MP2149 is ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+)Batterydue to 45µA low quiescent current. The output voltage can be regulated as low as 0.608V.
With peak current mode control and internal compensation, the MP2149 requires a minimum number of readily available standard external components and is available in an 8-pin TSOT23 package.
Product Features
- Dual 1A Output Current
- >93% Peak Efficiency
- >80% Light Load Efficiency
- Wide 2.7V to 6V OperatingInputRange
- 100mΩ and 40mΩ 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
- Short Circuit Protection with Hiccup Mode
- Thermal Shutdown
- Available in an 8-pin TSOT23 Package
Parametrics
- IC Supported 1MP2149
Monolithic IC
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IC Details
The MP2149 is an internally-compensated, 1MHz fixed-frequency, dual PWM, synchronous, step-down regulator. The MP2149 operates from a 2.7V-to-6V input, generates an output voltage as low as 0.608V, and has a 45µA quiescent current that makes it ideal for powering portable equipment that runs on a single cell lithium-ion (Li+) battery. The MP2149 integrates dual 100mΩ high-side switches and 40mΩ 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. Fault-condition protections include cycle-by-cycle current limiting and thermal shutdown. The MP2149 is available in an 8-pin TSOT23-8 package.
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