MPQ8632D-6, MPQ8632D-12
High Efficiency, 6A/12A, 18V
Synchronous Step-down Converter
DESCRIPTION FEATURES
The MPQ8632D-6/MPQ8632D-12 is a fully 2.5V to 18V Operating Input Range with
integrated high frequency synchronous rectified
External 5V Bias
step-down switch mode converter. It offers a
4.5V to 18V Operating Input Range with
very compact solution to achieve 6A/12A output
Internal Bias
current over a wide input supply range with
6A/12A Output Current
excellent load and line regulation. The
Low R (ON) Internal Power MOSFETs
DS
MPQ8632D-6/MPQ8632D-12 operates at high
Proprietary Switching Loss Reduction
efficiency over a wide output current load
Technique
range.
Adaptive COT for Ultrafast Transient
Response
The MPQ8632D-6/MPQ8632D-12 uses
0.5% Reference Voltage Over 0 C to 70 C
Constant-On-Time (COT) control mode to
Junction Temperature Range
provide fast transient response and ease loop
stabilization. Programmable Soft Start and Shut-down
Time
An external resistor programs the operating
Pre-Bias Start up
frequency from 200kHz to 1MHz and the
Programmable Switching Frequency from
frequency keeps nearly constant as input
200kHz to 1MHz
supply varies with the feedforward
Non-latch OCP, OVP and Thermal
compensation.
Shutdown
The default under voltage lockout threshold is
Output Adjustable from 0.611V to 13V
internally set at 4.1V, but a resistor network on
APPLICATIONS
the enable pin can increase this threshold. An
open drain power good signal indicates that the
Telecom and Networking Systems
output is within nominal voltage range.
Base Stations
Servers
The MPQ8632D-6/MPQ8632D-12 employs a
programmable soft start and shut-down scheme.
Personal Video Recorders
With the soft shut-down feature, it discharges
Flat Panel Television and Monitors
the output voltage smoothly when the enable
Distributed Power Systems
signal is deserted.
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.
It has fully integrated protection features that
MPS and The Future of Analog IC Technology are registered trademarks of
include over-current protection, over-voltage
Monolithic Power Systems, Inc.
protection and thermal shutdown.
The MPQ8632D-6/MPQ8632D-12 requires a
minimal number of readily available standard
external components and is available in a
3mm4mm package.
MPQ8632D-6_MPQ8632D-12 Rev. 1.01 www.MonolithicPower.com 1
4/7/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
2017 MPS. All Rights Reserved. MPQ8632D-6, MPQ8632D-12 6A/12A, 18V, SYNCHRONOUS STEP-DOWN CONVERTER
TYPICAL APPLICATION
MPQ8632D-6_MPQ8632D-12 Rev. 1.01 www.MonolithicPower.com 2
4/7/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
2017 MPS. All Rights Reserved.