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DESCRIPTION

The MPQ2169B is an internally compensated,

dual, pulse-width modulation (PWM),

synchronous step-down regulator that operates

from a 2.7V to 6V input voltage (VIN) and

generates an output voltage (VOUT) as low as

0.6V. The MPQ2169B can be configured as a

1.4A/1.4A or 2A/0.8A output current (IOUT)

regulator, and is ideal for powering portable

equipment that runs on a single-cell Li-ion

battery due to its low 65μA quiescent current

(IQ).

The MPQ2169B integrates dual, 60mΩ, highside

MOSFETs (HS-FETs) and 25mΩ

synchronous rectifiers to achieve high efficiency

without an external Schottky diode. The

MPQ2169B offers peak current mode control

and internal compensation, and is capable of

low-dropout configurations. Both channels can

operate at 100 duty cycle.

Full protection features include cycle-by-cycle

current limiting and thermal shutdown.

The MPQ2169B requires a minimal number of

readily available, standard external

components, and is available in a QFN-18

(2.5mmx3.5mm) package.

FEATURES

? Cooler Thermals:

o Below 20°C Operating Junction

Temperature (TJ) Rise at 2A/0.8A,

2.3MHz

o 90 Efficiency (5V to 1.8V, 2A, 2.3MHz)

o Low-Ohmic BCD FET Technology

? Low Noise EMI and EMC:

o MeshConnectTM Flip-Chip Package

o Operates Outside of AM Radio Band

? Reduces Board Size and BOM:

o Integrated Compensation Network

o Available in a Small QFN-18

(2.5mmx3.5mm) Package

? Additional Features:

o Power Good (PG) Output

o External Soft Start (SS) and Tracking

o Over-Current Protection (OCP) with

Hiccup Mode

o External Sync Clock

o Forced Continuous Conduction Mode

(FCCM)

o 100 Duty Cycle Operation

o Available in AEC-Q100 Grade 1

APPLICATIONS

? Automotive Infotainment

? Automotive Clusters

? Automotive Telematics

? Battery-Powered Devices

? Portable Instruments