IR3823M

3A 1.5MHz High Freq Single Input Sync Buck Regulator

ParametricIR3823M
Iout3.0A
Input Voltage  min  max1.0V  21.0V
Internal Bias LDOYes
Output Voltage  min  max0.6V  18.06V
FeaturesPGOOD + EN + SEQ + OVP + SYNC
PackagePQFN / 3.5 x 3.5
Switching Frequency  min  max300.0kHz  1500.0kHz
TechnologyPOL
TypeSingle Output
Moisture Sensitivity Level2
QualificationIndustrial
Design ToolYes
Sales Product NameIR3823M
OPNIR3823MTRPBF
Product Statusactive
Package NameMLPQ 3.5X3.5 19L
Completely lead freeno
Halogen freeyes
RoHS compliantyes
Packing Size4000
Packing TypeTAPE & REEL
Moisture Level2
Benefits:
  • Single input voltage range from 5V to 12V
  • Wide Input voltage range from 1.0V to 21V with external VCC bias voltage
  • Output voltage from 0.6V to 0.86% of PVin
  • Enhanced line/load regulation with feedforward
  • Programmable switching frequency up to 1.5MHz
  • Three user selectable soft-start time options
  • Thermally compensated current limit with robust hiccup mode over current protection
  • Synchronization to an external clock
  • Precise reference voltage (0.6V+/-0.6%)
  • Open-drain PGood indication
  • Output over voltage protection
  • Enable Input with Under-Voltage Lockout (UVLO)
  • VCC Under-Voltage Lockout (UVLO)
  • Enhanced Pre-bias start-up
  • Integrated MOSFET drivers and Bootstrap Diode
  • Thermal shut-down
  • -40°C to 125°C operating junction temperature
  • 3.5mm x 3.5mm PQFN package
  • Lead-free, Halogen-free and RoHS6 Compliant
Target Applications:
  • Desktop and Workstations
  • Graphic Boards
  • Netcom and Telecom
  • Notebooks Portables
  • Point of Load
  • Servers and Storage
Data Sheet
TitleSizeDateVersion
Data Sheet - IR3823M,EN2.9 MB13 Jun 2013
Evaluation Boards
BoardFamilyDescriptionStatus
IRDC3823Vin = +12V (+ 13.2V Max). Vout = +1.2V @ 0- 3A. Fs=1000kHz. L= 1.0uH (4.0mm X 4.0mm X 2.1mm, DCR=10.8mO). Cin= 2x10uF (25V, ceramic 1206) + 1X100uF (25V, electrolytic). Cout=1x22uF (6.3V, ceramic 0805).IR3823Mactive
EN IR3823M