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DESCRIPTION

The MPM3834C is synchronous, step-down

power module with an integrated inductor. The

MPM3834C achieves 3A of continuous output

current (IOUT) from a 2.75V to 6V input voltage

(VIN) range, with excellent load and line

regulation. The MPM3834C works in forced

continuous conduction mode (FCCM) and has a

small output voltage (VOUT) ripple with one

output capacitor. This makes the device wellsuited

for optical modules, FPGA, ASIC, and

other applications requiring low ripple noise and

a small PCB area.

VOUT can be regulated to be as low as 0.6V.

Only FB resistors, input capacitors, and output

capacitors are required to complete the design.

Constant-on-time control (COT) provides fast

transient response, high efficiency, and easy

loop stabilization.

Full protection features include cycle-by-cycle

current limiting, short-circuit protection (SCP)

with hiccup mode, and thermal shutdown.

The MPM3834C requires a minimal number of

readily available, standard external

components. It is available in an ultra-small

ECLGA-14 (2.5mmx2.5mmx1.2mm) package.

FEATURES

? Wide 2.75V to 6V Operating Input Voltage

(VIN) Range

? Adjustable Output Voltage (VOUT) from 0.6V

? Up to 3A Continuous Output Current (IOUT)

? 100 Duty Cycle in Dropout

? Up to 92 Efficiency with 3.3V to 1.8V

? Forced Continuous Conduction Mode

(FCCM)

? 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 Required

? Available in an ECLGA-14

(2.5mmx2.5mmx1.2mm) Package

APPLICATIONS

? FPGA, ASIC, DSP Power

? Optical Modules

? LDO Replacements

? Power for Portable Products

? Storage (Solid-State Drives and Hard-Disk

Drives)

? Space-Constrained Applications