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reference designMP4030A

Monolithic Power Systems MP4030A

TRIAC-Dimmable, Primary-Side-Control Offline LED Controller with Active PFC

Overview

TopologyFlyback Converter
Input voltage198-265 V
Output 130 V / 0.5 A
Output 230 V / 0.53 A
IC revision1.01

Description

The MP4030A is a TRIAC-dimmable, primaryside-control, offline LED lighting controller with active PFC. It can output an accurate LED current for an isolated lighting application with a single-stage converter. The proprietary realcurrent-control method can accurately control the LED current using primary-side information. It can significantly simplify LED lighting systemdesign by eliminating secondary-side feedback components and the optocoupler.

The MP4030A implements power-factor correction and works in boundary-conduction mode to reduce MOSFET switching losses.

The MP4030A has an integrated charging circuit at the supply pin for fast start-up without a perceptible delay.

The proprietary dimming control expands the TRIAC-based dimming range.

The MP4030A features multiple protections including over-voltage protection (OVP), shortcircuit protection (SCP), primary-side overcurrentprotection (OCP), supply-pin undervoltage lockout (UVLO), and over temperature protection (OTP). All of which not only simplifies circuit design but also enhances system reliability and safety greatly. All fault protections feature auto-restart.

The MP4030A is available in an 8-pin SOIC package.

Features

  • Primary-Side-Control without Requiring a Secondary-Side Feedback Circuit
  • Internal Charging Circuit at the Supply Pin for Fast Start-Up
  • Accurate Line and load Regulation
  • High Power Factorn and Improved THD
  • Flicker-Free, Phase-Controlled TRIAC Dimming with Expanded Dimming Range 1% to 100% Full Range.
  • Operates in Boundary Conduction Mode
  • Cycle-by-Cycle Current Limit
  • Programmable Primary-Side Over-Current Protection
  • Over-Voltage Protection
  • Short-Circuit Protection
  • Over-Temperature Protection
  • Available in an 8-Pin SOIC Package

Remarks

Typical applications

  • Industrial and Commercial Lighting
  • Residential Lighting
  • Solid-State Lighting

More information

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L(µH)
IR(A)
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744743102
SPECWE-TI Radial Leaded Wire Wound Inductor, 1000 µH, 0.42 A
Simu­lation
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TI Radial Leaded Wire Wound Inductor
Inductance1000 µH
Rated Current0.42 A
Saturation Current @ 10%0.69 A
DC Resistance2.5 Ω
Self Resonant Frequency1.6 MHz
VersionStandard 
–Check availability
7447720222
SPECWE-TI Radial Leaded Wire Wound Inductor, 2200 µH, 0.29 A
Simu­lation
Availability
–
Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TI Radial Leaded Wire Wound Inductor
Inductance2200 µH
Rated Current0.29 A
Saturation Current @ 10%0.35 A
DC Resistance4.73 Ω
Self Resonant Frequency1.1 MHz
VersionStandard 
–Check availability