MP2188
Dual 3A, 5.5V, 1.2MHz, COT
Synchronous Step Down Switchers
With Auto Output Discharge
The Future of Analog IC Technology
DESCRIPTION FEATURES
The MP2188 is a monolithic, step-down, switch-
Wide 2.5V-to-5.5V Operating Input Range
mode dual converter with internal power
Fixed Output Voltages: 1.1V & 1.8V
MOSFETs. It can achieve up to 3A continuous
Adjustable Output Voltage from 0.8V by
output current from a 2.5Vto-5.5V input
external FB Resistor
voltage with excellent load and line regulation.
100% Duty Cycle in Dropout
The output voltages of two channels are 1.1V
Up to 3A Output Current
and 1.8V respectively.
Low IQ: 80A
60m and 30m Internal Power MOSFET
The constant-on-time control scheme provides
Switches
fast transient response and eases loop
stabilization. Fault condition protections include Default 1.2MHz Switching Frequency
cycle-by-cycle current limiting and thermal EN and Power-Good for Power Sequencing
shutdown.
Cycle-by-Cycle Over-Current Protection
Auto Discharge at Power-Off
The MP2188 is available in small
Short-Circuit Protect with Hiccup Mode
2.2mmx2.6mm QFN-16 package and requires
Stable with Low-ESR Output Ceramic
only a minimal number of readily available
Capacitors
standard external components.
Available in a 2.2mm x 2.6mm QFN-16
The MP2188 is ideal for a wide range of
Package
applications including high-performance DSPs,
FPGAs, smartphones, portable instruments,
APPLICATIONS
and DVD drivers.
Solid State Drives(SSD)
Low Voltage I/O System Power
Handheld/Battery-powered Systems
Wireless/Networking Cards
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
Efficiency vs. I
OUT
V =5V
IN
100
90
80
70
V =1.8V
OUT2
60
V =1.1V
OUT1
50
40
30
20
10
0
0.01 0.1 1 10
I (A)
OUT
MP2188 Rev. 1.01 www.MonolithicPower.com 1
2/2/2016 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
2016 MPS. All Rights Reserved. MP2188 DUAL 3A, 5.5V, 1.2MHz, SYNCHRONOUS STEP-DOWN SWITCHER
ORDERING INFORMATION
Part Number* Package Top Marking
MP2188GQA QFN-16(2.2mmx2.6mm) See Below
* For Tape & Reel, add suffix Z (e.g. MP2188GQAZ);
TOP MARKING
AKJ: product code of MP2188GQA;
Y: year code;
WW: week code:
LLL: lot number;
PACKAGE REFERENCE
TOP VIEW
QFN-16
MP2188 Rev. 1.01 www.MonolithicPower.com 2
2/2/2016 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
2016 MPS. All Rights Reserved.