Datasheet4U Logo Datasheet4U.com

USR1101 - 5V 12V SYNCHRONOUS BUCK PWM DC-DC CONTROLLER

General Description

The UTC USR1101 is a high efficiency synchronous buck PWM controller, with operating at fixed 300kHz frequency, Internal soft-start, frequency compensation networks and integrates all of the control, output adjustment, monitoring and protection functions into a single package.

Key Features

  • S.
  • 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 compliant and 100% lead (Pb)-free.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
USR1171 11.7 VOLT ULTRA STABLE TEMPERATURE COMPENSATED ZENER REFERENCE DIODES Microsemi Corporation
USR1172 11.7 VOLT ULTRA STABLE TEMPERATURE COMPENSATED ZENER REFERENCE DIODES Microsemi Corporation
USR1173 11.7 VOLT ULTRA STABLE TEMPERATURE COMPENSATED ZENER REFERENCE DIODES Microsemi Corporation
USR1174 11.7 VOLT ULTRA STABLE TEMPERATURE COMPENSATED ZENER REFERENCE DIODES Microsemi Corporation
USR100A RECTIFIERS ASSEMBLIES Microsemi Corporation

Other Datasheets by Unisonic Technologies

Part Number Description
USR1021 3A SYNCHRONOUS BUCK REGULATOR
USR1051 3A SYNCHRONOUS BUCK REGULATOR
USR3651S HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH
USRB01 HIGH PRECISION CC/CV PRIMARY SIDE SWITCH
USRB02 HIGH PRECISION CC/CV PRIMARY SIDE SWITCH

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
UNISONIC TECHNOLOGIES CO., LTD USR1101 Preliminary LINEAR INTEGRATED CIRCUIT 5V/12V SYNCHRONOUS BUCK PWM DC-DC CONTROLLER  DESCRIPTION The UTC USR1101 is a high efficiency synchronous buck PWM controller, with operating at fixed 300kHz frequency, Internal soft-start, frequency compensation 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 controller.