Download USR1101 Datasheet PDF
USR1101 page 2
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USR1101 Description

The UTC USR1101 is a high efficiency synchronous buck PWM controller, with operating at fixed 300kHz frequency, Internal soft-start, frequency pensation networks and integrates all of the control, output adjustment, monitoring and protection functions into a single package. Adjustable over-current protection (OCP) monitors the voltage drop across the RDS(ON) of the lower MOSFET for synchronous buck PWM DC-DC...

USR1101 Key Features

  • Operating with 5V or 12V supply voltage
  • Drives all low cost N-channel MOSFETs
  • PWM control mode
  • 300kHz fixed frequency
  • Internal soft-start
  • Over-current fault monitor on MOSFET, no current sense resistor required
  • RoHS pliant and 100% lead (Pb)-free
  • ORDERING INFORMATION
  • MARKING