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PDF MP8869W Data sheet ( Hoja de datos )
| Número de pieza | MP8869W | |
| Descripción | Step-Down Converter | |
| Fabricantes | MPS | |
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MP8869W
High-Efficiency, 12A, 18V, Synchronous
Step-Down Converter with I2C Interface
The Future of Analog IC Technology
PRELIMINARY SPECIFICATIONS SUBJECT TO CHANGE
DESCRIPTION
FEATURES
The MP8869W is a high-frequency, synchronous,
rectified, step-down, switch-mode converter with
I2C control interface. It offers a fully integrated
solution to achieve a 12A continuous and 15A
peak output current with excellent load and line
regulation over a wide input supply range.
In the I2C control loop, the output voltage level
can be controlled on-thefly through an I2C serial
interface. The voltage range can be adjusted from
0.6V to 1.55V in 7.5mV steps. The voltage slew
rate, frequency, current limit, hiccup/latch-off
protection, enable, and power savings mode are
also selectable through the I2C interface.
COT control operation provides fast transient
response. An open drain power good pin indicates
that the output voltage is in the nominal range.
Full protection features include over-voltage
protection, over-current protection, and thermal
shutdown.
The MP8869W is available in a
14(3mmx4mm) package.
QFN-
Wide 3V-to-18V Operating Input Range
12A Continuous/15A Peak Output Current
1% Internal Reference Accuracy
I2C Programmable Output Range from 0.6V to
1.55V in 7.5mV Steps with Slew Rate Control
5% Accuracy Output Voltage and Output
Current Read Back via I2C
Selectable PFM/PWM Mode and Adjustable
Frequency & Current Limit through I2C
4 Different I2C Addresses Selectable
External Soft Start
Open Drain Power Good Indication
Output Over-Voltage Protection
Hiccup/Latch Off OCP Protection
QFN-14(3mmx4mm) Package
APPLICATIONS
Solid State Driver (SSD)
Flat-Panel Television and Monitors
Digital Set-Top Boxes
Distributed Power Systems
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.
information.
TYPICAL APPLICATION
100
96
92 VIN=4.5V
88
VIN=12V
84
80 VIN=18V
76
72
68
64
60
0.01 0.1 1 10 100
OUTPUT CURRENT (A)
MP8869W Rev.0.8
www.MonolithicPower.com
4/25/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
Preliminary Specifications Subject to Change
© 2016 MPS. All Rights Reserved.
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