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TMI3208

600kHz, 18V, 5A Synchronous COT Step-Down Converter
Retail price
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元
Number of views:
1000
Product serial number
VIN Range(V):
4.5 to 18
IOUT(A):
8
Switching Frequency(Hz):
700k
VFB(V):
0.8
Iq(μA):
500
HSFET Rds(on)(Ω):
0.025
LSFET Rds(on)(Ω):
0.012
Control Mode:
COT
Functions:
PFM / Fast Response
Package:
QFN3x3-16
Status:
Developing
Quantity
-
+
Stock:
0
Category
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1
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FEATURES
Parameters
GENERAL DESCRIPTION
APPLICATIONS
TYPICAL APPILCATION
  • 45mΩ/25mΩ Low RDS(ON) internal FETs
  • High Efficiency Synchronous-Mode Operation
  • Wide Input Range: 4.5V to 18V
  • Feedback Voltage Accuracy 0.8V±2%
  • 600kHz Switch Frequency
  • Up to 5A Output Current
  • COT control to achieve fast transient responses
  • Power Save Mode at Light Load
  • Integrated internal compensation
  • Stable with Low ESR Ceramic Output Capacitors
  • Over Current Protection with Hiccup Mode
  • Thermal Shutdown
  • Inrush Current Limit and Soft Start
  • Build in Input Over Voltage Protection
  • Available in DFN2x2-6FC Package
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The TMI3208 is a high efficiency 600kHz, Constant on-Time (COT) control mode synchronous stepdown DC-DC converter capable of delivering up to 5A current. TMI3208 integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. Low output voltage ripple and small external inductor and capacitor size are achieved with 600kHz switching frequency. It adopts the COT architecture to achieve fast transient responses for high voltage step down applications.

The TMI3208 requires a minimum number of readily available standard external components and is available in a 6-pin DFN2x2-6FC ROHS compliant package.

  • Digital Set Top Boxes
  • Flat Panel Television and Monitors
  • Notebook computer
  • Wireless and DSL Modems
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TMI3258/TMI3258B
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