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0.6A, 5.5V, Synchronous Step-Down Regulator with Integrated Inductor and Output Discharge Function
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The MPM3804 is a monolithic, step-down, switch-mode converter with built-in, internal power MOSFETs and an inductor. The MPM3804 achieves 0.6A of continuous output current from a 2.3V to 5.5V input voltage range with excellent load and line regulation. The output voltage can be regulated as low as 0.6V. Only input capacitors, output capacitors, and feedback (FB) resistors are required to complete the design. The constant-on-time (COT) control scheme provides a fast transient response, high light-load efficiency, and easy loop stabilization. Full protection features include cycle-by-cycle current limiting and thermal shutdown. The MPM3804 is ideal for a wide range of applications, including high-performance DSPs, wireless power, portable and mobile devices, and other low-power systems. The MPM3804 requires a minimal number of readily available, standard external components, and is available in an ultra-small, QFN-10 (2mmx2mm) package.
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Features & Benefits
- Up to 91% Peak Efficiency
- Low IQ: 11µA
- Wide 2.3V to 5.5V Operating Input Range
- Output Voltage as Low as 0.6V
- 100% Duty Cycle in Dropout
- 0.6A Output Current
- 120mO and 80mO Internal Power MOSFETs
- 2.4MHz Frequency
- EN and Power Good for Power Sequencing
- Cycle-by-Cycle Over-Current Protection (OCP)
- 0.5ms Internal Soft-Start Time
- Output Discharge
- Short-Circuit Protection (SCP) with Hiccup Mode
- Thermal Shutdown
- Stable with Low-ESR Output Ceramic Capacitors
- Ultra-Small, 2mmx2mmx0.9mm QFN-10 Package
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EVM3804-G-00A Evaluation Kit High Efficiency, 0.6A, 5.5V, 2.4 MHz Synchronous Step-down Switcher with Integrated Inductor
The MPM3804 is a monolithic step-down switch mode converter with built-in internal power MOSFETs and inductor. The DC-DC module has a small surface mount 2mm x 2mm QFN package. It achieves 0.6A continuous output current from a 2.3V to 5.5V input voltage with excellent load and line regulation. The MPM3804 is ideal for a wide range of applications including high performance DSPs, wireless power, portable and mobile Devices, and other low-power systems. The output voltage can be regulated as low as 0.6V. Only input, output capacitors and FB resistors are needed to complete the design.
The Constant-On-time (COT) control scheme provides fast transient response high lightload efficiency and easy loop stabilization.
Fault condition protection includes cyclebycycle current limit and thermal shutdown.
The MPM3804 requires a minimum number of readily available standard external components and is available in an ultra-small QFN10 (2x2mm) package.