MP2228 Datasheet | Synchronous Step-Down Converter





MP2228 PDF File (Datasheet) Download

Part Number MP2228
Description Synchronous Step-Down Converter
Manufacture MPS
Total Page 16 Pages
PDF Download Download MP2228 PDF File

Features: The Future of Analog IC Technology MP22 28 High-Efficiency, 2A, 16V, 800kHz Syn chronous, Step-Down Converter DESCRIPT ION The MP2228 is a high-frequency, syn chronous, rectified, step-down, switch- mode converter with built-in power MOSF ETs. It offers a very compact solution to achieve a 2A continuous output curre nt with excellent load and line regulat ion over a wide input supply range. The MP2228 has synchronous mode operation for higher efficiency over the output c urrent load range. Current-mode operati on provides fast transient response and eases loop stabilization. Full protect ion features include over-current prote ction and thermal shut down. The MP2228 requires a minimal number of readily-a vailable standard external components, and is available in a space-saving 8-pi n TSOT23 package. TYPICAL APPLICATION 6V - 16V VIN R4 113k R5 10k 2 IN R3 BST 5 20 7 MP2228 VCC SW 3 1 AAM 6 SS C3 22nF GND 4 FB 8 R6 8.2k FE ATURES • 6V-to-16V Operating Input Range • 100mΩ/40mΩ Low RDS(O.

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The Future of Analog IC Technology
MP2228
High-Efficiency, 2A, 16V, 800kHz
Synchronous, Step-Down Converter
DESCRIPTION
The MP2228 is a high-frequency, synchronous,
rectified, step-down, switch-mode converter
with built-in power MOSFETs. It offers a very
compact solution to achieve a 2A continuous
output current with excellent load and line
regulation over a wide input supply range. The
MP2228 has synchronous mode operation for
higher efficiency over the output current load
range.
Current-mode operation provides fast transient
response and eases loop stabilization.
Full protection features include over-current
protection and thermal shut down.
The MP2228 requires a minimal number of
readily-available standard external components,
and is available in a space-saving 8-pin
TSOT23 package.
TYPICAL APPLICATION
6V - 16V
VIN
R4
113k
R5
10k
2 IN
R3
BST 5 20
7
MP2228
VCC
SW
3
1 AAM
6 SS
C3
22nF
GND
4
FB 8
R6
8.2k
FEATURES
6V-to-16V Operating Input Range
100m/40mLow RDS(ON) Internal Power
MOSFETs
High-Efficiency Synchronous Mode
Operation
Fixed 800kHz Switching Frequency
External AAM pin for Power-Save Mode
Programming
External Soft-Start
OCP Protection 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 Television 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 Quality Assurance. “MPS” and “The
Future of Analog IC Technology” are Registered Trademarks of Monolithic
Power Systems, Inc.
3.3V/2A
R1
40.2k
R2
13k
100
95 VIN=6V
90
85
80 VIN=12V
75 VIN=16V
70
65
60
55
50
0.01 0.10 1.00
OUTPUT CURRENT (A)
10.00
MP2228 Rev. 1.1
8/20/2013
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
1

                    
                    






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