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MP171A Datasheet Preview

MP171A Datasheet

primary-side regulator

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MP171A
700V, Non-Isolated, Offline Regulator,
Up to 60mA Output Current
with Improved EMI Performance
DESCRIPTION
The MP171A is a primary-side regulator that
provides accurate constant voltage (CV)
regulation without an optocoupler. It supports
buck, boost, buck-boost, and flyback
topologies.
The device’s integrated 700V MOSFET
simplifies the structure and reduces cost. This
feature optimizes the device for offline, low-
power applications such as home appliances
and standby power.
The MP171A is a green-mode operation
regulator. Both the peak current and switching
frequency lower as the load decreases. This
feature provides excellent efficiency at light load,
and improves the overall efficiency.
Protection features include thermal shutdown
(TSD), VCC under-voltage lockout (UVLO),
overload protection (OLP), short-circuit
protection (SCP), and open-loop detection.
The MP171A is available in TSOT23-5 and
SOIC-8 packages.
FEATURES
Primary-Side CV Control
Supports Buck, Boost, Buck-Boost, and
Flyback Topologies
Integrated 700V MOSFET and Current
Source
Under 30mW No-Load Power Consumption
Up to 2W Output Power
Maximum DCM Output Current below
40mA
Maximum CCM Output Current below
60mA
Low VCC Operating Current
Frequency Foldback
Limited Maximum Frequency
Peak Current Compression
Internally Biased VCC
TSD, UVLO, OLP, SCP, Open-Loop
Detection
Available in TSOT23-5 and SOIC-8
Packages
APPLICATIONS
Home Appliances, White Goods, and
Consumer Electronics
Industrial Controls
Standby Power
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
registered trademarks of Monolithic Power Systems, Inc. or its subsidiaries.
TYPICAL APPLICATION
L
Input C1
N
DRAIN
VCC
C2 R1
MMPP117711A FB
R2
SOURCE
SOURCE
D2
C3
L1
D1
C4
VOUT
GND
MP171A Rev. 1.0
www.MonolithicPower.com
1
1/6/2020
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2020 MPS. All Rights Reserved.




MPS

MP171A Datasheet Preview

MP171A Datasheet

primary-side regulator

No Preview Available !

MP171A NON-ISOLATED OFFLINE REGULATOR
ORDERING INFORMATION
Part Number
MP171AGJ*
MP171AGS**
Package
TSOT23-5
SOIC-8
Top Marking
See Below
See Below
MSL Rating
1
2
* For Tape & Reel, add suffix Z (e.g. MP171AGJZ).
** For Tape & Reel, add suffix Z (e.g. MP171AGSZ).
TOP MARKING (MP171AGJ)
BMX: Product code of MP171AGJ
Y: Year code
TOP MARKING (MP171AGS)
MP171A: Part number
LLLLLLLL: Lot number
MPS: MPS prefix
Y: Year code
WW: Week code
MP171A Rev. 1.0
www.MonolithicPower.com
2
1/6/2020
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2020 MPS. All Rights Reserved.


Part Number MP171A
Description primary-side regulator
Maker MPS
PDF Download

MP171A Datasheet PDF






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