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reference designMP2205A

Monolithic Power Systems MP2205A

16V, 2.5A, 1.3MHz Synchronous Step-Down Converter

Overview

TopologyBuck Converter
Input voltage3-16 V
Switching frequency1000-1600 kHz
Output 11.8 V / 2.5 A
IC revision0.9

Description

The MP2205A is an internally compensated 1.3MHz fixed frequency PWM synchronous step-down regulator with a 3V to 6V bias supply (VCC). MP2205A operates from a 3V to 16V input and generates an adjustable output voltage from 0.8V to 0.9xVIN at up to 2.5A load current.The MP2205A integrates an 80mΩ high-side switch and an 80mΩ synchronous rectifier for high efficiency without an external Schottky diode. With peak current mode control and internal compensation, it is stable with a output ceramic capacitor and a small inductor. Fault protection includes hiccup short-circuit protection, cycle-by-cycle current limiting and thermal shutdown. Other features include frequency synchronization and internal softstart.The MP2205A is available in a small 3mm x 4mm 14-lead QFN packages.

Features

  • 2.5A Output Current
  • Input Supply Range: 3V to 16V
  • 80mΩ Internal Power MOSFET Switches
  • All Ceramic Output Capacitors Design
  • Up to 95% Efficiency
  • 1.3MHz Fixed Switching Frequency
  • Adjustable Output from 0.8V to 0.9xVIN
  • Internal Soft-Start
  • Power Good Pin
  • Frequency Synchronization Input
  • Thermal Shutdown
  • Cycle-by-Cycle Current Limiting
  • Hiccup Short Circuit Protection
  • 14-Lead, 3mm x 4mm QFN PackageRemarks:-page no 10Table2

Typical applications

  • µP/ASIC/DSP/FPGA Core and I/O Supplies
  • Network Equipment
  • Printers
  • Point of Load Regulators
  • LCD TVs
  • Telecom Equipment

More information

Products

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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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744310095
SPECWE-HCI SMT Flat Wire High Current Inductor, 0.95 µH, 14.4 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
Inductance0.95 µH
Performance Rated Current14.4 A
Saturation Current @ 10%5 A
Saturation Current @ 30%13 A
DC Resistance6.2 mΩ
Self Resonant Frequency90 MHz
MaterialSuperflux 
Packaging Unit1500 
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