MP2269 Datasheet: Synchronous Step-down Converter





MP2269 Synchronous Step-down Converter Datasheet

Part Number MP2269
Description Synchronous Step-down Converter
Manufacture MPS
Total Page 19 Pages
PDF Download Download MP2269 Datasheet PDF

Features: The Future of Analog IC Technology DESCR IPTION The MP2269 is a frequency-progra mmable (350kHz to 2.5MHz), synchronous, step-down, switching regulator with in tegrated, internal, high-side and low-s ide power MOSFETs. The MP2269 provides 1A of highly efficient output current w ith current-mode control for fast loop response. The wide 3.3V to 30V input ra nge accommodates a variety of step-down applications. A 1μA shutdown mode qui escent current allows the MP2269 to be used in battery-powered applications. H igh power conversion efficiency over a wide load range is achieved by scaling down the switching frequency at light-l oad condition to reduce switching and g ate driving losses. An open-drain power good signal indicates the output signa l. Frequency foldback helps prevent ind uctor current runaway during start-up. Thermal shutdown provides reliable and faulttolerant operation. High duty cycl e and low drop-out mode are provided fo r batterypowered systems. The MP2269 is available in a QFN-15 (2.

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The Future of Analog IC Technology
DESCRIPTION
The MP2269 is a frequency-programmable
(350kHz to 2.5MHz), synchronous, step-down,
switching regulator with integrated, internal,
high-side and low-side power MOSFETs. The
MP2269 provides 1A of highly efficient output
current with current-mode control for fast loop
response.
The wide 3.3V to 30V input range
accommodates a variety of step-down
applications. A 1μA shutdown mode quiescent
current allows the MP2269 to be used in
battery-powered applications.
High power conversion efficiency over a wide
load range is achieved by scaling down the
switching frequency at light-load condition to
reduce switching and gate driving losses.
An open-drain power good signal indicates the
output signal. Frequency foldback helps prevent
inductor current runaway during start-up.
Thermal shutdown provides reliable and fault-
tolerant operation. High duty cycle and low
drop-out mode are provided for battery-
powered systems.
The MP2269 is available in a QFN-15
(2mmx3mm) package.
TYPICAL APPLICATION
MP2269
3.3V - 30V, 1A, 12µA IQ,
Synchronous, Step-Down Converter
with External Soft Start and Power Good
in 2x3mm QFN Package
FEATURES
Wide 3.3V to 30V Operating Voltage Range
1A Continuous Output Current
1μA Low Shutdown Supply Current
12μA Sleep Mode Quiescent Current
180m/80mHigh-Side/Low-Side RDS(ON)
for Internal Power MOSFETs
350kHz to 2.5MHz Programmable Switching
Frequency
Power Good Output
External Soft Start
80ns Minimum On Time
Selectable Forced PWM Mode and Auto
PFM/PWM Mode
Low Dropout Mode
Hiccup Over-Current Protection (OCP)
Available in a QFN-15 (2mmx3mm)
Package
APPLICATIONS
Battery-Powered Systems
Smart Homes
Wide Input Range Power Supplies
Standby Power Supplies
All MPS parts are lead-free, halogen-free, and adhere to the RoHS
directive. For MPS green status, please visit the MPS website under Quality
Assurance. “MPS” and “The Future of Analog IC Technology” are registered
trademarks of Monolithic Power Systems, Inc.
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MP2269 Rev. 1.02
3/5/2019
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.
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