MP2233 Datasheet | Synchronous Step-Down Converter





MP2233 PDF File (Datasheet) Download

Part Number MP2233
Description Synchronous Step-Down Converter
Manufacture MPS
Total Page 18 Pages
PDF Download Download MP2233 PDF File

Features: The Future of Analog IC Technology DESCR IPTION The MP2233 is a high-frequency, synchronous, rectified, step-down switc h mode converter with built in internal power MOSFETs. It offers a very compac t solution to achieve 3A continuous out put current with excellent load and lin e regulation over a wide input supply r ange. The MP2233 has synchronous mode o peration for higher efficiency over the output current load range. Current-mod e operation provides a fast transient r esponse and eases loop stabilization. P rotective features include over-current protection, thermal shutdown, and exte rnal SS control. The MP2233 requires a minimal number of readily-available ext ernal components and is available in a space-saving 8-pin TSOT23 package. MP2 233 High-Efficiency, 3A, 16V, 1.4MHz Sy nchronous, Step-Down Converter FEATURES • Wide 4.5V-to-16V Operating Input R ange • 80mΩ/30mΩ Low RDS(ON) Inte rnal Power MOSFETs • Proprietary Swit ching-Loss–Reduction Technique • High-Efficiency Synchronous Mode Operati.

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The Future of Analog IC Technology
DESCRIPTION
The MP2233 is a high-frequency, synchronous,
rectified, step-down switch mode converter with
built in internal power MOSFETs. It offers a
very compact solution to achieve 3A continuous
output current with excellent load and line
regulation over a wide input supply range. The
MP2233 has synchronous mode operation for
higher efficiency over the output current load
range.
Current-mode operation provides a fast
transient response and eases loop stabilization.
Protective features include over-current
protection, thermal shutdown, and external SS
control.
The MP2233 requires a minimal number of
readily-available external components and is
available in a space-saving 8-pin TSOT23
package.
MP2233
High-Efficiency, 3A, 16V, 1.4MHz
Synchronous, Step-Down Converter
FEATURES
Wide 4.5V-to-16V Operating Input Range
80m/30mLow RDS(ON) Internal Power
MOSFETs
Proprietary Switching-Loss–Reduction
Technique
High-Efficiency Synchronous Mode
Operation
Fixed 1.4MHz Switching Frequency
Can Synchronize to a 300kHz-to-3MHz
External Clock
Externally-Programmable Soft-Start
OCP and Hiccup
Thermal Shutdown
Output Adjustable from 0.8V
Available in an 8-pin TSOT-23 Package
APPLICATIONS
Notebook Systems and I/O Power
Digital Set-Top Boxes
Flat-Panel Televisions and Monitors
Distributed Power Systems
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
VIN
C1
22 F
2 IN
BST 5
R3
MP2233
20
6 EN/SYNC
SW 3
EN/
SYNC
7 VCC
C3
0.1 F
C5
22nF
1 SS
GND
4
FB 8
C4
0.1 F
L1
C2
22 F
3.3V/3A
R1
40.2k
R5
24k R2
13k
100
95
90
85
80
75
70
65
60
55
50
0.0
0.5 1.0 1.5 2.0 2.5
OUTPUT CURRENT (A)
3.0
MP2233 Rev. 1.01
www.MonolithicPower.com
12/6/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
1

                    
                    






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