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reference designMxL76500

MaxLinear MxL76500

15V, 5A Synchronous Step-Down Regulator for URX8xx/URX6xx SoCs

Overview

TopologyBuck Converter
Input voltage4.5-15 V
Switching frequency500-1000 kHz
Output 10.6 V / 5 A

Description

The MxL76500 is a 5A synchronous step-down switching voltage regulator designed to pair with the MxL7080 power manager which interfaces with MaxLinear’s AnyWANTM SoC URX800/600 series and PUMATM 8 DOCSIS 4.0 SoC.

Features

  • Power solution for URX800/600 SoCs when paired with MxL7080

  • Up to 5A of load current

  • Input voltage range from 4.5V to 15V

  • Output voltage range from 0.6V to 1.0V

  • DVS and soft start controlled by MxL7080

  • Latch-off fault

  • Fast load transient response

  • Excellent line transient rejection

  • 500kHz or 1MHz switching frequency

  • High light-load efficiency in DEM

  • Dynamic switching between DEM and FCCM

  • Output over-current protection

  • Output under-voltage protection

  • Thermal shutdown

  • Input under-voltage lockout

  • Thermally enhanced 2mm × 2mm QFN package

Typical applications

  • DOCSIS 4.0 modems and gateways - Fiber optics home gateway unit (HGU) - Ethernet Wi-Fi home router - DSL/G.fast home gateway - Fixed wireless access (FWA) home gateway

More information

Parts approved by MaxLinear

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Data­sheet
Simu­lation
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Status
Product series
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
RDC max.(mΩ)
fres(MHz)
Mount
SamplesAvailability & Sample
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744393240047
SPECWE-XHMI SMT Power Inductor, 0.47 µH, 17.1 A
Simu­lation
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-XHMI SMT Power Inductor
Inductance0.47 µH
Performance Rated Current17.1 A
Saturation Current @ 30%19.2 A
DC Resistance3.9 mΩ
DC Resistance4.5 mΩ
Self Resonant Frequency105 MHz
MountSMT 
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