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MPS

MP8869W Datasheet Preview

MP8869W Datasheet

Synchronous Step-Down Converter

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MP8869W
3V - 18V, 12A, High-Efficiency, Wide-Input,
Synchronous Step-Down Converter with
Integrated Telemetry via I2C Interface
DESCRIPTION
The MP8869W is a high-frequency,
synchronous, rectified, step-down, switch-mode
converter with an I2C control interface. It offers a
fully integrated solution that achieves 12A of
continuous and 15A of 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-the-fly through an I2C serial
interface. The voltage range can be adjusted
from 0.6V to 1.55V in 7.5mV steps. Voltage slew
rate, frequency, current limit, hiccup/latch-off
protection, enable, and power saving mode are
also selectable through the I2C interface.
Constant-on-time (COT) control operation
provides fast transient response. An open-drain
power good (PG) pin indicates that the output
voltage is in the nominal range. Full protection
features include over-voltage protection (OVP),
over-current protection (OCP), and thermal
shutdown.
The MP8869W is available in a QFN-14
(3mmx4mm) package.
FEATURES
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 Monitoring via I2C
Selectable PFM/PWM Mode, Adjustable
Frequency and Current Limit through I2C
4 Different Selectable I2C Addresses
External Soft Start
Open-Drain Power Good Indication
Output Over-Voltage Protection (OVP)
Hiccup/Latch-Off OCP
Available in a QFN-14 (3mmx4mm)
Package
APPLICATIONS
Solid-State Drive (SSD)
Flat-Panel Television and Monitors
Digital Set-Top Boxes
Distributed Power Systems
Networking/Server
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.
TYPICAL APPLICATION
C5
470nF
{ I2C Bus
3V-18V
VIN
C6
22nF
C1
22µFx2
VCC
AGND
FB
A0
VO UT
SDA
MP8869W
SCL
PG
SS
EN
BST
VI N
SW
PG ND
R2 R1
120k 80.6k
PG
EN
C3
100nF
R3
10W L1
1.5µH
C2
22µFx4
VO
1V/12A
MP8869W Rev. 1.1
www.MonolithicPower.com
1
6/2/2020
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2020 MPS. All Rights Reserved.




MPS

MP8869W Datasheet Preview

MP8869W Datasheet

Synchronous Step-Down Converter

No Preview Available !

MP8869W 3V - 18V, 12A, SYNCHRONOUS STEP-DOWN CONVERTER
ORDERING INFORMATION
Part Number
MP8869WGL*
EVKT-8869W
Package
QFN-14 (3mmx4mm)
Evaluation Kit
Top Marking
See Below
* For Tape & Reel, add suffix Z (e.g. MP8869WGLZ)
TOP MARKING
MP: MPS prefix
Y: Year code
W: Week code
8869W: First five digits of the part number
LLL: Lot number
EVALUATION KIT EVKT-8869W
EVKT-8869W Kit contents: (Items can be ordered separately).
#
Part Number
Item
1
EV8869W-L-00A
MP8869WGL evaluation board
2
EVKT-USBI2C-02
Includes one USB to I2C dongle, one USB cable, and one
ribbon cable
3
Tdrive-8869W
USB flash drive that stores the GUI installation file
supplemental documents
Order direct from MonolithicPower.com or our distributors
Quantity
1
1
1
Input Power
Supply
Input
GUI
USB Cable
Ribbon Cable
USB to I2C Dongle
EV8869W-L-00A
Figure 1: EVKT-8869W Evaluation Kit Set-Up
Output
Load
MP8869W Rev. 1.1
www.MonolithicPower.com
2
6/2/2020
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2020 MPS. All Rights Reserved.


Part Number MP8869W
Description Synchronous Step-Down Converter
Maker MPS
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MP8869W Datasheet PDF






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