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