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IC manufacturers Monolithic Power Systems

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reference designMPQ2451-5-AEC1

Monolithic Power Systems MPQ2451-5-AEC1

36V, 2.2MHz, 0.6A, Step-Down Converter AEC-Q100 Qualified

Overview

TopologyBuck Converter
Input voltage3.3-36 V
Output 15 V
Output 23.3 V
IC revision1.0

Description

The MPQ2451-5/33 is a high-frequency, stepdown, switching regulator with an integrated,high-voltage, high-side power MOSFET. It efficiently outputs up to 0.6A, with current-mode control for fast loop response. The wide 3.3V-to-36V input range accommodates a variety of automotive step-down applications, and the 3μA shutdown-mode quiescent currentallows use in battery-powered applications.The MPQ2451-5/33 achieves high powerconversion efficiency over a wide load range by scaling down the switching frequency underlight-load conditions to reduce switching and gate driving losses. Frequency fold-back prevents inductor current runaway during start-up. Thermal shutdown provides reliable, fault-tolerant operation.The MPQ2451-5/33 is available in cost-effective SOT23-6L and QFN-6L packages.

Features

 Guaranteed Industrial/Automotive Temp.Ranges

  • 130μA Operating Quiescent Current
  • Wide 3.3V-to-36V Operating Input Range
  • 500mΩ Internal Power MOSFET
  • 2.2MHz Fixed Switching Frequency
  • Internally Compensated
  • Stable with Ceramic Output Capacitors
  • Internal Soft-Start
  • Precision Current Limit Without CurrentSensing Resistor

  • 90% Efficiency

  • Fixed 5V & 3.3V Outputs
  • 6-Lead SOT23 and QFN Packages

Typical applications

  • Industrial Power Systems
  • Automotive Systems
  • Battery-Powered Systems
  • Distributed Power Systems

More information

Products

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L(µH)
IR(A)
ISAT(A)
fres(MHz)
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7440430022
SPECWE-TPC SMT Tiny Power Inductor, 2.2 µH, 2.5 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TPC SMT Tiny Power Inductor
Inductance2.2 µH
Rated Current2.5 A
Saturation Current2.35 A
Self Resonant Frequency100 MHz
MountSMT 
DC Resistance28 mΩ
Size4828 
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744043003
SPECWE-TPC SMT Tiny Power Inductor, 3.3 µH, 2.15 A
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ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TPC SMT Tiny Power Inductor
Inductance3.3 µH
Rated Current2.15 A
Saturation Current1.8 A
Self Resonant Frequency80 MHz
MountSMT 
DC Resistance35 mΩ
Size4828 
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7447785004
SPECWE-PD SMT Power Inductor, 4.7 µH, 2.2 A
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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-PD SMT Power Inductor
Inductance4.7 µH
Rated Current2.2 A
Saturation Current2.5 A
Self Resonant Frequency53 MHz
MountSMT 
DC Resistance78 mΩ
Size6033 
VersionRobust 
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