MPQ2128 Datasheet, PDF (1/7 Pages) Monolithic Power Systems – 2.5V-to-6V Input, 3MHz, 1A Synchronous, Step-Down Converter Available in AEC-Q100

`DESCRIPTION
The MPQ2128 is a 3MHz, constant-frequency,
current-mode, PWM, step-down converter. It
has an integrated main switch and synchronous
rectifier that make it ideal for low-voltage
conversions.
The MPQ2128 can supply up to 1A load current
from a 2.5V-to-6V input voltage. The output
voltage can go as low as 0.6V.
Additional features include <1μA shutdown
current, internal soft-start, cycle-by-cycle over-
current protection, short-circuit protection, and
thermal shutdown.
The MPQ2128 is available in a 2mm×2mm 8-
pin QFN package.
MPQ2128
2.5V-to-6V Input, 3MHz, 1A
Synchronous, Step-Down Converter
Available in AEC-Q100
FEATURES
• Meets Automotive Requirements
• Highly Efficient: Up to 95%
• 3MHz Constant-Switching Frequency
• 1A Available Load Current
• 2.5V-to-6V Input Voltage Range
• Output Voltage as Low as 0.6V
• Current-Mode Control
• Cycle-by-Cycle Over-Current Protection
• Short-Circuit Protection
• Thermal Shutdown
• <1μA Shutdown Current
• Internal Soft-Start
• QFN8 (2mm×2mm) Package
• AEC-Q100 Qualified
APPLICATIONS
• Industrial/Automotive
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green
status, please visit MPS website under Products, Quality Assurance page.
“MPS” and “The Future of Analog IC Technology” are registered trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
MPQ2128 Rev. 1.1
www.MonolithicPower.com
1
4/1/2013
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