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MP3424GG Datasheet Preview

MP3424GG Datasheet

Synchronous Step-Up Converter

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The Future of Analog IC Technology
DESCRIPTION
The MP3424 is a high-efficiency, synchronous,
current-mode, step-up converter with output
disconnect. The MP3424 targets various load
capability boosts from a battery input with an
accurate load current limit.
The MP3424 starts up from an input voltage as
low as 2V while providing inrush current limiting,
output short-circuit protection (SCP), and
programmable load current limit. The integrated
P-channel synchronous rectifier improves
efficiency and eliminates the need for an
external Schottky diode. The P-channel
MOSFET disconnects the output from the input
during shutdown.
The 580kHz switching frequency allows for
small external components, while internal
compensation and soft-start minimize the
external component count. The MP3424
provides flexible current limit programming for
up to 5V/3.1A load from a supply voltage down
to 2.8V.
The MP3424 is available in a QFN-14
(2mmx2mm) package.
MP3424
Current Programmable, CC/CV,
Synchronous, Step-Up Converter
with Output Disconnect
FEATURES
2V to 5.5V Input Work Range
3V to 5.5V Output Range
Supports 5V/3.1A Output from 2.8V Input
Programmable up to 9.5A Switching Current
Limit
Programmable Average Load Current Limit
580kHz Fixed Frequency Switching
Up to 97% Efficiency
Internal Soft Start and Compensation
True Output Load Disconnect from Input
Over-Current Protection (OCP), Short-
Circuit Protection (SCP), and Over-
Temperature Protection (OTP)
Available in a QFN-14 (2mmx2mm)
Package
APPLICATIONS
Battery-Powered Products
Power Bank, Juice Packs, Battery Back-Up
Units
Electronic Cigarettes
USB Power Supplies
Consumer Electronic Accessories
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
Efficiency
100
95
90
85
80
75
70
0
VIN=2.8V
VIN=3.3V
VIN=4.2V
0.5 1 1.5 2 2.5 3 3.5
LOAD CURRENT (A)
MP3424 Rev. 1.01
www.MonolithicPower.com
1
4/26/2019
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.




MPS

MP3424GG Datasheet Preview

MP3424GG Datasheet

Synchronous Step-Up Converter

No Preview Available !

MP3424 – CURRENT PROGRAMMABLE, SYNCHRONOUS BOOST WITH OUTPUT DISCONNECT
ORDERING INFORMATION
Part Number*
MP3424GG
Package
QFN-14 (2mmx2mm)
Top Marking
See Below
* For Tape & Reel, add suffix –Z (e.g. MP3424GG–Z)
TOP MARKING
DT: Product code of MP3424GG
Y: Year code
LLL: Lot number
PACKAGE REFERENCE
TOP VIEW
QFN-14 (2mmx2mm)
MP3424 Rev. 1.01
www.MonolithicPower.com
2
4/26/2019
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.


Part Number MP3424GG
Description Synchronous Step-Up Converter
Maker MPS
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