MP4032-1 Datasheet PDF - MPS

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MP4032-1
MPS

Part Number MP4032-1
Description Offline LED Driver
Page 19 Pages


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MP4032-1
Primary-Side-Controlled, Offline LED Driver
with Fully-Integrated Internal MOSFET
The Future of Analog IC Technology
DESCRIPTION
The MP4032-1 is a TRIAC-dimmable, primary-
side-controlled, offline, LED lighting driver with
an integrated 500V MOSFET. It can achieve a
high power factor and accurate LED current
control for lighting applications in a single-stage
converter. The proprietary real-current control
can accurately control the secondary-side LED
current using primary-side information. It
simplifies LED lighting systems and increases
efficiency by removing the secondary feedback
components and the current-sensing resistor.
The MP4032-1 has a power-factor-correction
function and works in boundary-conduction
mode that reduces power losses. The DRAIN
pin can supply current to the internal charging
circuit for start-up without a perceptible delay.
The proprietary dimming control extends the
TRIAC-based dimming range.
The multiple protections greatly enhance
system reliability and safety. These protections
include VCC under-voltage lockout, LED over-
voltage and over-current protections, short-
circuit protection, and over-temperature
protection.
The MP4032-1 is available in an SOIC8-7A
package.
FEATURES
Real Current Control without Secondary
Feedback Circuit
Internal MOSFET with 500V High Voltage
Rating
Less than 6W Output Power
Internal Charging Circuit for Fast Start-Up
Accurate Line Regulation
Flicker-Free, Phase-Controlled TRIAC
Dimming with Extended Dimming Range
High Power Factor
Boundary-Conduction Mode
VCC UVLO
Cycle-by-Cycle Current Limiting
Over-Voltage Protection
Short-Circuit Protection
Over-Temperature Protection
Available in SOIC8-7A Package
APPLICATIONS
Solid-State Lighting
Industrial and Commercial Lighting
Residential Lighting
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.
The MP4032-1 is patent pending.
Warning: Although this board is designed to satisfy safety
requirements, the engineering prototype has not been agency
approved. Therefore, all testing should be performed using an
isolation transformer to provide the AC input to the prototype
board.
MP4032-1 Rev. 1.02
www.MonolithicPower.com
7/15/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
1

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