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reference designMPQ3452 | Demoboard EVQ3452-L-00A

Monolithic Power Systems MPQ3452 | Demoboard EVQ3452-L-00A

22V, 2MHz, Current-Mode Boost Converter with a 3.5A, 90mΩ Internal Power MOSFET

Overview

TopologyBoost Converter
Input voltage5-12 V
Switching frequency300-2000 kHz
Output 115 V / 1 A
IC revision1.0

Description

The MPQ3452 is a current control mode, step-up converter with a 3.5A, 90mΩ internal MOSFET for fast transient response. The device operates from a 3.1V to 22V input voltage (VIN) range, and can generate up to 22V of output voltage (VOUT).The MPQ3452 features a configurable switching frequency (fSW) of up to 2MHz for easy filtering and low noise. External compensation allows the loop dynamics to be flexibly set via small, low-ESR ceramic output capacitors. Soft start (SS) provides a small inrush current and can be configured via an external capacitor.Full protection features include under-voltage lockout (UVLO) protection, current limiting, and thermal shutdown. The MPQ3452 is available in a low-profile QFN-14 (3mmx4mm) package with an exposed pad.

Features

  • Wide 3V to 22V Input Voltage (VIN) Range
  • Up to 22V Output Voltage (VOUT)
  • Internal 3.5A, 90mΩ Power MOSFET
  • 300kHz to 2MHz Configurable SwitchingFrequency (fSW)
  • Uses Capacitors and Inductors with SmallerPackage Sizes
  • Configurable Under-Voltage Lockout(UVLO) Protection
  • Configurable Soft Start (SS)
  • Micropower Shutdown: IQ < 1μA
  • Thermal Shutdown
  • Available in an SOIC-8 Package or a QFN-14 (3mmx4mm) Package with an ExposedPad

Typical applications

  • Audio Microphones, Tuner Bias
  • Telecom Power Supplies
  • Automotive Battery Chargers

More information

Products

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Data­sheet
Simu­lation
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Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
SamplesAvailability & Sample
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744314650
SPECWE-HCI SMT Flat Wire High Current Inductor, 6.5 µH, 6.6 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance6.5 µH
Performance Rated Current6.6 A
Saturation Current @ 10%2 A
Saturation Current @ 30%6 A
DC Resistance21.5 mΩ
Self Resonant Frequency50 MHz
MaterialSuperflux 
Packaging Unit1000 
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