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reference designMP2480DN

Monolithic Power Systems MP2480DN

Hysteretic Step Down High Power LED Driver

Overview

TopologyBuck Converter
Input voltage30-36 V
Switching frequency2000 kHz
Output 124 V / 2 A
IC revision1.0

Description

The EV2480DN-00A Evaluation Board is designed to demonstrate the capabilities of MP2480DN. The MP2480 is step-down switchingregulator to deliver a constant current of up to 3A for high power LED

With a 30-36V input VIN and a EN DC signal which is higher than 2V, EV2480DN-00A can deliver a regulated voltage to drive a LED string.The LED current is regulated to about 2A.

Features

  • Wide 5V to 36V Operating Input Range
  • Up to 95% Efficiency
  • Hysteretic Control with No Compensation
  • No Output Capacitor Required
  • ±3% LED Current Accuracy
  • Up to 2MHz Switching Frequency
  • Up to 20kHz Dimming Frequency
  • 200mV Reference Voltage
  • Short-Circuit Protection with Integrated High-Side MOSFET
  • Thermal Shut Down

Typical applications

  • General Lighting and LCD Backlighting
  • High Power LED Driver
  • Constant Current Source

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
ISAT,10%(A)
ISAT,30%(A)
IR,40K(A)
IRP,40K(A)
RDC max.(mΩ)
fres(MHz)
Size
Version
SamplesAvailability & Sample
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744770147
SPECWE-PD SMT Power Inductor, 47 µH, 3.3 A
Simu­lation
Availability
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Downloads9 files

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-PD SMT Power Inductor
Inductance47 µH
Saturation Current @ 10%3.3 A
Saturation Current @ 30%4.3 A
Rated Current3 A
Performance Rated Current4.25 A
DC Resistance64 mΩ
Self Resonant Frequency7.9 MHz
Size1280 
VersionStandard 
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