6V, Dual 1A, Step-Down Power Module with Integrated Inductor and 45µA Low IQ
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The MPM38111 is a dual-channel DC/DC module. The module includes a monolithic, step-down, switch-mode converter with built-in, internal power MOSFETs and inductors. The MPM38111 is designed to simplify power system design and provide ease of use. The MPM38111 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 MPM38111 integrates dual, 85mΩ, high-side switches and 40mΩ synchronous rectifiers for high efficiency without an external Schottky diode. Peak-current-mode control and internal compensation limit the minimum number of readily available external components. Full protection features include cycle-by-cycle current limiting and thermal shutdown. The MPM38111 is available in a small, surface-mounted, QFN-14 (4mmx4mmx1.6mm) package.
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Features & Benefits
- Dual 1A Output Current
- >93% Peak Efficiency
- >80% Light-Load Efficiency
- Ultra-Low IQ: 45µA
- 85mΩ and 40mΩ Internal Power MOSFET
- Wide 2.7V to 6V Operating Input Range
- Default 1MHz Switching Frequency
- 180° Phase-Shifted Operation
- 100% Duty Cycle Operation
- Cycle-by-Cycle Over-Current Protection (OCP)
- Short-Circuit Protection (SCP) with Hiccup Mode
- Thermal Shutdown
- Available in a Small QFN-14 (4mmx4mmx1.6mm) Package
EVM38111-R-00A Evaluation Kit 6V Input, 1A Dual Channels module Synchronous Step-Down Converter With Integrated Inductor EV Board
The EVM38111-R-00AEvaluation Board is designed to demonstrate the capabilities of MPS’ MPM38111. The MPM38111 is a Dual Channels DC-DC Module. The module includes monolithic step-down switch mode converter with built-in internal power MOSFETs and inductors. It's designed to simplify power system design and provide ease of use.
The MPM38111 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.