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IC REG BUCK ADJUSTABLE 8A 12QFN
DESCRIPTION
The MP8759 is a fully integrated, highfrequency, synchronous, rectified, step-down,
switch-mode converter. It offers a very compact
solution that achieves 8A of continuous output
current and 10A peak output current with
excellent load and line regulation over a wide
input supply range.
The MP8759 operates with high efficiency over
a wide output-current load range based on MPS’
proprietary switching loss reduction technique
and internal low RDS(ON) power MOSFETs.
Adaptive constant-on-time (COT) control mode
provides fast transient response and eases loop
stabilization. The DC auto-tune loop provides
good load and line regulation.
Full protection features include over-current limit,
over-voltage protection (OVP), under-voltage
protection (UVP), and thermal shutdown.
The converter requires a minimum number of
external components and is available in a QFN12 (2mmx3mm) package.
FEATURES
Wide 4.5V to 26V Operating Input Range
Output Adjustable from 0.6V
Ultrasonic Mode (USM)
117μA Low Quiescent Current
8A Continous Output Current
10A Peak Output Current
Adaptive COT for Fast Transient
DC Auto-Tune Loop
1% Reference Voltage
Internal Soft Start
Output Discharge
700kHz Switching Frequency
OCP, OVP, UVP (Hiccup), and Thermal
Shutdown
Available in a QFN-12 (2mmx3mm)
Package
APPLICATIONS
Laptop Computer
Tablet PC
Networking Systems
Flat-Panel Television and Monitors
Distributed Power Systems
TYPICAL APPLICATION
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