MP2332H Datasheet: Synchronous Buck Converter





MP2332H Synchronous Buck Converter Datasheet

Part Number MP2332H
Description Synchronous Buck Converter
Manufacture MPS
Total Page 20 Pages
PDF Download Download MP2332H Datasheet PDF

Features: DESCRIPTION The MP2332H is a fully integ rated, highfrequency, synchronous, rect ified, step-down, switch-mode converter with internal power MOSFETs. The MP233 2H offers a very compact solution that achieves 2A of continuous output curren t with excellent load and line regulati on over a wide input range. The MP2332H uses synchronous mode operation for hi gher efficiency over the output current load range. Constant-on-time (COT) con trol operation provides very fast trans ient response, easy loop design, and ve ry tight output regulation. Full protec tion features include short-circuit pro tection (SCP), over-current protection (OCP), under-voltage protection (UVP), and thermal shutdown. The MP2332H requi res a minimal number of readily availab le, standard, external components and i s available in a space-saving SOT583 pa ckage TYPICAL APPLICATION MP2332H 4.2 - 18V Input, 2A, 1.2MHz Synchronous Buc k Converter with Power Good and Soft St art in SOT583 (1.6x2.1mm) Package FEATURES  Wide 4.2V to 18V O.

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DESCRIPTION
The MP2332H is a fully integrated, high-
frequency, synchronous, rectified, step-down,
switch-mode converter with internal power
MOSFETs. The MP2332H offers a very
compact solution that achieves 2A of
continuous output current with excellent load
and line regulation over a wide input range. The
MP2332H 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 MP2332H requires a minimal number of
readily available, standard, external
components and is available in a space-saving
SOT583 package
TYPICAL APPLICATION
MP2332H
4.2 - 18V Input, 2A, 1.2MHz
Synchronous Buck Converter
with Power Good and Soft Start
in SOT583 (1.6x2.1mm) Package
FEATURES
Wide 4.2V to 18V Operating Input Range
95m/45mLow RDS(ON) Internal Power
MOSFETs
200µA Low IQ
High-Efficiency Synchronous Mode
Operation
Fast Load Transient Response
1.2MHz Switching Frequency
TON Extension
Forced PWM Operation
Programmable Soft-Start Time
Power Good (PG) Indication
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 Television and Monitors
General Consumer 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 = 3.3V, L = 2.2μH, DCR = 11.4m
100
95
90
85
80
75
70
65
60
55
50
45
40
0
Vin=5V
Vin=12V
Vin=18V
0.5 1 1.5
OUTPUT CURRENT (A)
2
MP2332H Rev. 1.0
www.MonolithicPower.com
11/16/2018
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018 MPS. All Rights Reserved.
1

                    
                    






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