MP2386 Datasheet: Synchronous Buck Converter





MP2386 Synchronous Buck Converter Datasheet

Part Number MP2386
Description Synchronous Buck Converter
Manufacture MPS
Total Page 21 Pages
PDF Download Download MP2386 Datasheet PDF

Features: DESCRIPTION The MP2386 is a fully integr ated, highfrequency, synchronous, recti fied, step-down, switch-mode converter. The MP2386 offers a super-compact solu tion that achieves 8A of continuous out put current over a wide input supply ra nge. The MP2386 operates at high effici ency over a wide output current load ra nge based on MPS’s proprietary switch ing loss reduction technique and intern al low RDS(ON) power MOSFETs. Adaptive constant-on-time (COT) control provides fast transient response and eases loop stabilization. The DC auto-tune loop c ombined with the remote differential se nse provides good load and line regulat ion. Full protection features include o ver-current protection (OCP), over-volt age protection (OVP), under-voltage pro tection (UVP), and thermal shutdown. Th e converter requires a minimal number o f external components and is available in a QFN11 (2mmx2mm) package. TYPICAL A PPLICATION MP2386 24V, 8A, Low IQ, Syn chronous Buck Converter FEATURES  Wide 4.5V to 24V Operating Inp.

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DESCRIPTION
The MP2386 is a fully integrated, high-
frequency, synchronous, rectified, step-down,
switch-mode converter. The MP2386 offers a
super-compact solution that achieves 8A of
continuous output current over a wide input
supply range.
The MP2386 operates at high efficiency over a
wide output current load range based on MPS’s
proprietary switching loss reduction technique
and internal low RDS(ON) power MOSFETs.
Adaptive constant-on-time (COT) control
provides fast transient response and eases loop
stabilization. The DC auto-tune loop combined
with the remote differential sense provides good
load and line regulation.
Full protection features include over-current
protection (OCP), over-voltage protection
(OVP), under-voltage protection (UVP), and
thermal shutdown.
The converter requires a minimal number of
external components and is available in a QFN-
11 (2mmx2mm) package.
TYPICAL APPLICATION
MP2386
24V, 8A, Low IQ,
Synchronous Buck Converter
FEATURES
Wide 4.5V to 24V Operating Input Range
105μA Low Quiescent Current
8A Continuous Output Current
Adaptive COT for Fast Transient
DC Auto-Tune Loop
Low RDS(ON) Internal Power MOSFETs
Proprietary Switching Loss Reduction
Technique
Power Good (PG) Indication
Fixed 700kHz Switching Frequency
Stable with POSCAP and Ceramic Caps
Internal Soft Start (SS)
Output Discharge
OCP, OVP, UVP, and Thermal Shutdown
with Auto-Retry
Available in a QFN-11 (2mmx2mm)
Package
APPLICATIONS
Security Cameras
Portable Devices, XDSL Devices
Digital Set-Top Boxes
Flat-Panel Televisions and Monitors
General Purposes
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”, the MPS logo, and “Simple, Easy Solutions” are
trademarks of Monolithic Power Systems, Inc. or its subsidiaries.
Efficiency
VOUT = 1V, L = 0.68µH, DCR = 3.1m
100
90
80
70
60
50
40
0.01
Vin=5V
Vin=12V
Vin=19V
0.1 1
LOAD CURRENT (A)
10
MP2386 Rev. 1.1
3/21/2019
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.
1

                    
                    






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