Ultra Low IQ Step-Down Regulator Step-Down Switcher Evaluation Board
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The MP28200 is a monolithic power management unit containing 200mA high efficiency step-down switching. The sub microampere quiescent current provides extremely high efficiency when load current is low down to uA range. With the input range up to 5.5V, the MP28200 is ideal for powering battery-powered devices.
The constant-on-time control scheme provides fast transient response, high light load efficiency as well as the minimum capacitors.
The regulation is tight by integrating an error amplifier to correct the output voltage.
The CTRL pins control the ON/OFF and output voltage selection function.
Fault condition protection includes UVLO, over current protection, and thermal shutdown.
The MP28200 requires a minimum number of readily available standard external components and is available in a small QFN12 (2x2mm) package.
- Ultra Low IQ: 500nA
- Wide 2.0V to 5.5V Operating Input Range
- 7 Selectable Output Voltages
- Up to 200mA Output Current
- 1.5MHz Switching Frequency at CCM Mode
- 100% Duty Cycle in Dropout
- 0.25Ω and 0.25Ω Internal Power MOSFET Switches
- Cycle-by-Cycle Over Current Protection
- Short Circuit Protect with Hiccup Mode
- Over Temperature Protection
- Available in a QFN12-2.0mmx2.0mm Package
- IC Supported 1MP28200
Monolithic ICGET THIS IC
The MP28200 is a monolithic power-management unit containing 200mA, high-efficiency, step-down, switching converters. The nanoamp quiescent current provides extremely high efficiency when the load current is down in the ? range. With minimum input voltage as low as 2V, the MP28200 allows the system to operate directly from the battery. The constant-on-time control scheme provides fast transient response, high light-load efficiency, and requires minimal capacitance. The regulation can be made tight by integrating an error amplifier to correct the output voltage. The CTRL pins control the on/off and output voltage selection functions. Fault protection features include under-voltage lockout (UVLO), over-current protection (OCP), and thermal shutdown. The MP28200 requires a minimal number of readily available, standard, external components and is available in a small QFN-12 (2mmx2mm) package.