Download LM5165 Datasheet PDF
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LM5165 Description

The LM5165 device is a pact, easy-to-use, 3V to 65-V, ultra-low IQ synchronous buck converter with high efficiency over wide input voltage and load current ranges. With integrated high-side and low-side power MOSFETs, up to 150-mA of output current can be delivered at fixed output voltages of 3.3 V or 5 V or at an adjustable output. The converter is designed to simplify implementation while providing options to...

LM5165 Key Features

  • Wide input voltage range of 3 V to 65 V
  • 10.5-µA no-load quiescent current
  • 40°C to 150°C junction temperature range
  • Fixed (3.3 V and 5 V) or adjustable output voltages
  • Meets EN55022 / CISPR 22 EMI standards
  • Integrated 2-Ω PMOS buck switch
  • Supports 100% duty cycle for low dropout
  • Integrated 1-Ω NMOS synchronous rectifier
  • Eliminates external rectifier diode
  • Programmable current limit setpoint (four levels)