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MPQ8883 Datasheet(PDF) 1 Page - Monolithic Power Systems

No. de Pieza. MPQ8883
Descripción  High-Efficiency, 45V, 3A, Digital Calibrated Synchronous Step-Down Converter
Descarga  2 Pages
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Fabricante  MPS [Monolithic Power Systems]
Página de inicio  http://www.monolithicpower.com
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MPQ8883 Datasheet(HTML) 1 Page - Monolithic Power Systems

   
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MPQ8883
High-Efficiency, 45V, 3A, Digital Calibrated
Synchronous Step-Down Converter
MPQ8883 Rev. 0.2
www.MonolithicPower.com
1
9/13/2016
MPS Proprietary Information. Patent Protected.Unauthorized Photocopy and Duplication Prohibited.
Preliminary Specifications Subject to Change
© 2016 MPS. All Rights Reserved.
The Future of Analog IC Technology
DESCRIPTION
The MPQ8883 is a high-frequency synchronous
rectified, step-down converter with I2C control
interface
and
a
multipage
one-time
programmable memory. It can achieve up to 3A
continuous output current with excellent load
and line regulation over a wide input supply
range.
The MPQ8883 integrates internal high-side and
low-side power MOSFETs for high efficiency
without an external Schottky diode and is
available in a 16-pin QFN3x3 package. With
internal compensation and feedback divider, the
MPQ8883 can offer a very compact solution with
a minimum number of readily available standard
external components.
The MPQ8883 is designed to be very versatile.
The output voltage level can be adjusted from
0.6V to 12V, on the fly through an I2C serial
interface.
Voltage
slew
rate,
switching
frequency, enable and power savings mode are
also programmable via the I2C interface. This
allows users to optimize each output for their
particular requirements.
During
bench
evaluations,
different
configurations can be easily obtained through
the I2C interface instead of reworking external
components. Once the desired optimum setting
has been reached, a multipage one-time
programmable memory is available allowing the
settings to be permanently stored.
Current-mode operation provides fast transient
response and eases loop stabilization. Full
protection
features
include
under-voltage
lockout (UVLO), over-voltage protection (OVP),
over-current
protection
(OCP)
and
over-
temperature protection (OTP).
Please email “mpq8883info@monolithicpower.com” 
for more information 
FEATURES
 Wide 3.5V to 45V Operation Input Range
 3A Continuous Output Current
 High Efficiency Synchronous Mode Control
 Internal 80mΩ/40mΩ Low RDS(ON) MOSFETs
 Power Good and Fault Indications
 OVP, OCP and OTP
 Internal Soft-Start
 Programmable Address by Resistor
 Programmability via I2C Interface
-
Output Range from 0.6V to 12V
-
Switching Frequency
-
Compensation Network
-
Slope Compensation
-
EN Threshold
-
Input UVLO Threshold
-
PG Threshold
-
AAM, CCM Selection
-
Light-load Mode Threshold
-
SCP Mode Selection
-
Current Limit Threshold
-
OVP Mode Selection
-
Input /Output OVP Threshold
-
OTP Threshold
-
Switching Slew Rate
-
Output Slew Rate (SS Time)
-
SYNC Input/Output Selection
-
Phase Shift
-
Frequency Dithering for Low-EMI
Operation
 Multipage One-Time Programmable
Memory for Permanent Storage
 Available in 16-pin QFN3x3 Package
APPLICATIONS
 Industrial Power Systems
 Automotive Power Systems
 Telecommunication Systems
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.


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