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The MPM3833C is a step-down module converter with built-in power MOSFETs and inductor. The MPM3833C achieves 3A of continuous output current from a 2.75V to 6V input voltage with excellent load and line regulation. The MPM3833C works in forced continuous conduction mode (CCM) and has a voltage ripple under 10mV with one output capacitor, making it suitable for optical modules, FGPA, ASIC, and other applications requiring low ripple noise. The output voltage can be regulated as low as 0.6V. Only FB resistors, input capacitors, and output capacitors are needed to complete the design.
The constant-on-time control (COT) scheme provides fast transient response, high efficiency, and easy loop stabilization.
Full protection features include cyclebycycle current limiting and thermal shutdown.
The MPM3833C requires a minimal number of readily available, standard, external components and is available in an ultra-small QFN-18 (2.5mmx3.5mmx1.6mm) package.
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Features & Benefits
- Wide 2.75V to 6V Operating Input Range
- Adjustable Output from 0.6V
- Low Radiated Emissions (EMI) Complies with EN55022 Class B Standard
- Up to 3A Continuous Output Current
- 100% Duty Cycle in Dropout Mode
- Forced Continuous Conduction Mode (CCM)
- Enable (EN) and Power Good (PG) for Power Sequencing
- Cycle-by-Cycle Over-Current Protection (OCP)
- Short-Circuit Protection (SCP) with Hiccup Mode
- Only Four External Components Needed
- Available in a QFN-18 (2.5mmx3.5mmx1.6mm) Package
EVM3833C-RH-00A Evaluation Kit 3A, Synchronous Step-Down Module Evaluation Board
The EVM3833C-RH-00A is an evaluation board for the MPM3833C, a monolithic step-down module converter with built-in power MOSFETs and inductor. The DC/DC module acheives 3A of continuous output current across a 2.7V to 6V input voltage range, with excellent load and line regulation. The MPM3833C works in forced continuous current mode, and has >10mV voltage ripple with one output capacitor, making it suitable for optical modules, FGPAs, ASICs, and other applications requiring low ripple noise. The output voltage is regulated as low as 0.6V. Only FB resistors and input and output capactiors are needed to compete the design.
The constant-on-time control (COT) scheme provides fast transient repsponse and easy loop stabilization. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. The MPM3833C is available in a small, surface-mounted QFN-18 (2.5mmx3.5mmx1.6mm) package.