EV2187-QA-01A
Dual 3A, 5.5V, 1.2 MHz Synchronous Step-Down Swithers with Auto Output Discharge Evaluation Board
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The EV2187-QA-01A evaluation Board is designed to demonstrate the capabilities of MP2187, an internally compensated 1.2MHz dual COT synchronous step-down regulator. The output voltages of the two channels are 1.1V and 1.8V respectively.
The constant-on-time control scheme provides fast transient response and eases loop stabilization. Fault condition protections include cycle-by-cycle current limiting and thermal shutdown.
The MP2187 is available in small 2.2mmx2.6mm QFN16 package and requires only a minimal number of readily available standard external components.
Product Features
- 2.5V to 5.5VInputVoltageRange
- Fixed Output Voltages: 1.1V, 1.8V
- 100% Duty Cycle in Dropout
- Up to 3A Output Current
- Low IQ: 80µA
- 60mΩ and 30mΩ InternalPowerMOSFET Switches
- Default 1.2MHz Switching Frequency
- EN and Power-Good for Power Sequencing
- Cycle-by-Cycle Over-Current Protection
- Auto Discharge at Power-Off
- Short-Circuit Protect with Hiccup Mode
- Stable with Low-ESR Output Ceramic Capacitors
- Available in a 2.2mm x 2.6mm QFN16 Package
Parametrics
- IC Supported 1MP2187
Monolithic IC
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IC Details
The MP2187 is a monolithic, step-down, switch-mode dual converter with internal power MOSFETs. It can achieve up to 3A continuous output current from a 2.5V–to-5.5V input voltage with excellent load and line regulation. The output voltages of two channels are 1.1V and 1.8V respectively.
The constant-on-time control scheme provides fast transient response and eases loop stabilization. Fault condition protections include cycle-by-cycle current limiting, input voltage failure indicator and thermal shutdown.
The MP2187 is available in small 2.2mmx2.6mm QFN16 package and requires only a minimal number of readily available standard external components.
The MP2187 is ideal for a wide range of applications including high-performance DSPs, FPGAs, smart phones, portable instruments, and DVD drivers.
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