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reference designMPQ4470 | Demoboard EV4470-L-01A

Monolithic Power Systems MPQ4470 | Demoboard EV4470-L-01A

High-Efficiency, Fast-Transient, 5A, 36V Step-Down Converter Evaluation Board

Overview

TopologyBuck Converter
Input voltage4.5-36 V
Output 13.3 V / 5 A
IC revision1.0

Description

The EV4470-L-01A is an evaluation board for the MP/MPQ4470, while EV4470A-L-01A is an evaluation board for the MP/MPQ4470A.MP/MPQ4470 and MP/MPQ4470A are highefficiency step-down regulator with integrated power MOSFETs. They offer a very compact solution to achieve a 5A, continuous-output current over a wide input-supply range with excellent load and line regulation. They also provide fast transient response and good stability for wide input-supply and load range. MP/MPQ4470 have OVP latch while MP/MPQ4470A have no this function.The EV4470-L-01A and EV4470A-L-01A are fully assembled and tested evaluation boards. They generate +3.3V output voltage at load current up to 5A from a 4.5V to 36V input range. Switching frequency of both boards are set at 500kHz.

Features

  • Wide 4.5V-to-36V Operating Input Range
  • Guaranteed 5A, Continuous Output Current
  • Internal 40mΩ High-Side, 20mΩ Low-SidePower MOSFETs
  • Proprietary Switching-Loss-ReductionTechnology
  • 1% Reference Voltage
  • Programmable Soft-Start Time
  • Low Drop-out Mode
  • SCP, OCP, OVP latch (EV4470 only), UVPand Thermal Shutdown

Typical applications

  • Automotive Systems
  • Notebook Systems and I/O Power, Industrial Supplies, istributed Power and POL Systems
  • Networking System, Optical Communications Systems

More information

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L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
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7443251000
SPECWE-HCI SMT Flat Wire High Current Inductor, 10 µH, 9.5 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance10 µH
Performance Rated Current9.5 A
Saturation Current @ 10%4 A
Saturation Current @ 30%8.5 A
DC Resistance16.3 mΩ
Self Resonant Frequency21 MHz
MaterialSuperflux 
Packaging Unit700 
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