MP2392 Datasheet | Synchronous Step-Down Converter





MP2392 PDF File (Datasheet) Download

Part Number MP2392
Description Synchronous Step-Down Converter
Manufacture MPS
Total Page 21 Pages
PDF Download Download MP2392 PDF File

Features: MP2392 High-Efficiency, 2A, 24V, 650kHz Synchronous, Step-Down Converter with P G and Soft Start In SOT583 DESCRIPTION The MP2392 is a fully integrated, high frequency, synchronous, rectified, step -down, switch-mode converter with inter nal power MOSFETs. The MP2392 offers a very compact solution that achieves 2A of continuous output current with excel lent load and line regulation over a wi de input range. The MP2392 uses synchro nous mode operation for higher efficien cy over the output current-load range. Constant-on-time (COT) control operatio n provides very fast transient response , easy loop design, and very tight outp ut regulation. Full protection features include short-circuit protection (SCP) , over-current protection (OCP), under- voltage protection (UVP), and thermal s hutdown. The MP2392 requires a minimal number of readily available, standard, external components and is available in a space-saving SOT583 package. FEATUR ES  Wide 4.2V to 24V Operating Input Range  110mΩ/45mΩ Low RD.

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MP2392
High-Efficiency, 2A, 24V, 650kHz
Synchronous, Step-Down Converter
with PG and Soft Start In SOT583
DESCRIPTION
The MP2392 is a fully integrated, high-
frequency, synchronous, rectified, step-down,
switch-mode converter with internal power
MOSFETs. The MP2392 offers a very compact
solution that achieves 2A of continuous output
current with excellent load and line regulation
over a wide input range. The MP2392 uses
synchronous mode operation for higher
efficiency over the output current-load range.
Constant-on-time (COT) control operation
provides very fast transient response, easy loop
design, and very tight output regulation.
Full protection features include short-circuit
protection (SCP), over-current protection (OCP),
under-voltage protection (UVP), and thermal
shutdown.
The MP2392 requires a minimal number of
readily available, standard, external
components and is available in a space-saving
SOT583 package.
FEATURES
Wide 4.2V to 24V Operating Input Range
110/45Low RDS(ON) Internal Power
MOSFETs
200µA Low IQ
High-Efficiency Synchronous Mode
Operation
Power-Save Mode (PSM) at Light Load
Fast Load Transient Response
650kHz Switching Frequency
Programmable Soft-Start Time
Power Good (PG) Indication
Output Over-Voltage Protection (OVP)
Over-Current Protection (OCP) and Hiccup
Pre-Bias Start-Up
Thermal Shutdown
Available in a SOT583 (1.6mmx2.1mm)
Package
APPLICATIONS
Game Consoles
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” and “The Future of Analog IC Technology” are registered
trademarks of Monolithic Power Systems, Inc.
TYPICAL APPLICATION
19V
PG
C1
22µF
PG
MP2392
C4
6.8nF
SS
R4
20Ω
C3
1µF
L1
4.7µH
R3
20kΩ
3.3V/2A
C2
44 µF
R1
40.2 kΩ
R2
13kΩ
Efficiency
VOUT = 3.3V, L = 4.7μH
100
95
90
85
80
75
70
65
60
0.01
Vin=5V
Vin=12V
Vin=19V
0.1 1
LOAD CURRENT(A)
10
MP2392 Rev 1.0
11/30/2017
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
1

                    
                    






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