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LM3000 - Dual Synchronous Emulated Current-Mode Controller

General Description

The LM3000 is a dual output synchronous buck controller which is designed to convert input voltages ranging from 3.3V to 18.5V down to output voltages as low as 0.6V.

Key Features

  • 1.
  • 2 VIN Range FROM 3.3V to 18.5V.
  • Output Voltage From 0.6V to 80% of VIN.
  • Remote Differential Output Voltage Sensing.
  • 1% Accuracy at FB Pin.
  • Interleaved Operation Reduces Input Capacitors.
  • Frequency Sync/Adjust From 200 kHz to 1.5 MHz.
  • Startup With Pre-Bias Load.
  • Independent Power Good, Enable, Soft-Start and Track.
  • Programmable Current Limit Without External Sense Resistor.
  • Hiccup Mode Short Circuit Protec.

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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.

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LM3000 www.ti.com SNVS612B – JULY 2009 – REVISED APRIL 2013 LM3000 Dual Synchronous Emulated Current-Mode Controller Check for Samples: LM3000 FEATURES 1 •2 VIN Range FROM 3.3V to 18.5V • Output Voltage From 0.6V to 80% of VIN • Remote Differential Output Voltage Sensing • 1% Accuracy at FB Pin • Interleaved Operation Reduces Input Capacitors • Frequency Sync/Adjust From 200 kHz to 1.5 MHz • Startup With Pre-Bias Load • Independent Power Good, Enable, Soft-Start and Track • Programmable Current Limit Without External Sense Resistor • Hiccup Mode Short Circuit Protection APPLICATIONS • DC Power Distribution Systems • Graphic Cards - GPU and Memory ICs • FPGA, CPLD, and ASICs • Embedded Processor • 1.8V and 2.