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IC manufacturers MaxLinear

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reference designSP7655

MaxLinear SP7655

Wide Input Voltage Range, 8Amp 300kHz, Buck Regulator

Overview

TopologyBuck Converter
Input voltage2.5-28 V
Output 13.3 V / 8 A
IC revisionE

Description

The SP7655 is a synchronous step-down switching regulator optimized for high efficiency. The part is designed to be especially attractive for dual supply, 12V or 24V distributed power systems stepped down with 5V used to power the controller. This lower VCCvoltage minimizes power dissipation in the part and is used to drive the top switch. The SP7655 is designed to provide a fully integrated buck regulator solution using a fixed 300kHz frequency, PWM voltage mode architecture. Protection features include UVLO, thermal shutdown and output short circuit protection. The SP7655 is available in the space saving DFN package

Features

  • 2.5V to 28V Step Down Achieved Using Dual Input
  • Output Voltage down to 0.8V
  • 8A Output Capability
  • Built in Low RDSON PowerSwitches (15m ???? typ)
  • Highly Integrated Design, Minimal Components
  • 300 kHz Fixed Frequency Operation
  • UVLO Detects Both VCC and V IN
  • Over Temperature Protection
  • Short Circuit Protection with Auto-Restart
  • Wide BW Amp Allows Type II or III Compensation
  • Programmable Soft Start
  • Fast Transient Response
  • High Efficiency: Greater than 95%Possible
  • Non-synchronous Start-Up into a Pre-Charged Output
  • Lead Free, RoHS Compliant Package: Small 7mm x 4mm DFN
  • U.S. Patent #6,922,041

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(mΩ)
fres(MHz)
Material
Qty.
SamplesAvailability & Sample
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744313220
SPECWE-HCI SMT Flat Wire High Current Inductor, 2.2 µH, 19.4 A
Simu­lation
Availability
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance2.2 µH
Performance Rated Current19.4 A
Saturation Current @ 10%8 A
Saturation Current @ 30%18 A
DC Resistance5.7 mΩ
Self Resonant Frequency40 MHz
MaterialSuperflux 
Packaging Unit400 
–Check availability
744314330
SPECWE-HCI SMT Flat Wire High Current Inductor, 3.3 µH, 10.9 A
Simu­lation
Availability
–
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-HCI SMT Flat Wire High Current Inductor
Inductance3.3 µH
Performance Rated Current10.9 A
Saturation Current @ 10%3.2 A
Saturation Current @ 30%8 A
DC Resistance9 mΩ
Self Resonant Frequency65 MHz
MaterialSuperflux 
Packaging Unit1000 
–Check availability