MP1470B
The Future of Analog IC Technology
High Efficiency, 2A, 16V, 500kHz
Synchronous, Step-Down Converter
in a 6-Pin TSOT23
FEATURES
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Wide 4.7V to 16V Operating Input Range
163mΩ/86mΩ Low-R
DS(ON)
Internal Power
MOSFETs
Proprietary Switching Loss Reduction
Technique
High-Efficiency Synchronous Mode
Operation
Fixed 500kHz Switching Frequency
Forced PWM
Internal Soft Start
Over-Current Protection and Hiccup Mode
Thermal Shutdown
Output Adjustable from 0.8V
Available in a 6-Pin TSOT23 Package
Game Consoles
Digital Set-Top Boxes
Flat-Panel Television and Monitors
General Purposes
DESCRIPTION
The MP1470B is a high frequency,
synchronous, rectified, step-down, switch-mode
converter with internal power MOSFETs. It
offers a very compact solution to achieve a 2A
continuous output current over a wide input
supply range with excellent load and line
regulation. The MP1470B has synchronous
mode operation for higher efficiency over the
output current load range.
Current-mode operation provides fast transient
response and eases loop stabilization.
Protection
features
include
protection and thermal shutdown.
over-current
The MP1470B requires a minimal number of
readily
available,
standard,
external
components and is available in a compact 6-pin
TSOT23 package.
APPLICATIONS
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
100
VIN
IN
BST
U1
3.3V/2A
R1
40.2k
R2
13k
90
80
GND
MP1470B
EN
GND
SW
Rt
75k
VOUT
70
60
50
40
30
20
10
0
V
IN
=4.7V
V
IN
=12V
V
IN
=16V
EN
FB
0.5
1
1.5
OUTPUT CURRENT (A)
2
MP1470B Rev. 1.0
www.MonolithicPower.com
8/25/2015
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
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