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reference designMPQ3426

Monolithic Power Systems MPQ3426

6A, 35V Boost Converter with Programmable Switching Frequency and UVLO AEC-Q100 Qualified

Overview

TopologyBoost Converter
Input voltage6-9 V
Switching frequency300-2000 kHz
Output 112 V / 2 A
IC revision1.0

Description

The MPQ3426 is a current-mode step-up converter with a 6A, 90mΩ internal switch that provides a highly efficient regulator with a fast response. The MPQ3426 features a programmable frequency of up to 2MHz thatallows for easy filtering and reduces noise. An external compensation pin gives the user flexibility in setting loop dynamics, and usessmall, low-ESR, ceramic output capacitors. Soft-start results in a small inrush current and can be programmed with an external capacitor.The MPQ3426 operates from an input voltage as low as 3.2V and can generate up to a 35V output.The MPQ3426’s features include under-voltage lockout, current limiting, and thermal overload protection. The MPQ3426 is available in a lowprofile14-pin 3mm×4mm QFN package with an exposed pad.

Features

FEATURES

  • Guaranteed Industrial/Automotive Temp.Range Limits
  • 6A, 90mΩ, 45V Power MOSFET
  • Uses Very Small Capacitors and Inductors
  • Wide Input Range: 3.2V to 22V
  • Output Voltage as High as 35V
  • Programmable fsw: 300kHz to 2MHz
  • Programmable UVLO, Soft-Start, UVLOHysteresis
  • Micropower Shutdown <1μA
  • Thermal Shutdown 160°C
  • Available in 14-Pin 3mm×4mm QFNPackage
  • Available in AEC-Q100 Qualified Grade

Typical applications

  • Automotive
  • Telecom—Power Supplies
  • Audio—Microphone and Tuner Bias

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
Material
LR(µH)
fres(MHz)
SamplesAvailability & Sample
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7443320470
SPECWE-HCC SMT High Current Cube Inductor, 4.7 µH, 14.9 A
Simu­lation
Availability
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Downloads9 files

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Electric models ZIP

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCC SMT High Current Cube Inductor
Inductance4.7 µH
Performance Rated Current14.9 A
Saturation Current @ 10%15.6 A
Saturation Current @ 30%17.1 A
DC Resistance7.9 mΩ
MaterialFerrite 
Rated Inductance3.2 µH
Self Resonant Frequency43 MHz
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