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UP6101 - 5V/12V Synchronous-Rectified Buck Controller

Description

The uP6101 is a compact synchronous-rectified buck controller specifically designed to operate from 5V or 12 supply voltage and to deliver high quality output voltage as low as 0.6V (uP6101A) or 0.8V (uP6101B/C).

Features

  • es † Operates from 5V or 12V Supply Voltage 3.3V to 12V VIN Input Range 0.6V or 0.8V to 80% of VIN Output Range 0.6V or 0.8V Internal Reference 1.5% Over Line Voltage and Temperature † Simple Single-Loop Control Design.
  • Voltage-Mode PWM Control.
  • Fast Transient Response † High-Bandwidth Error Amplifier.
  • 0% to 80% Duty Cycle † Lossless, Programmable Overcurrent Protection.
  • Uses Lower MOSFET RDS(ON) † 300/200kHz Fixed Frequency Oscillator † Internal SoftStart † I.

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Datasheet Details

Part number UP6101
Manufacturer uPI Semiconductor
File Size 566.92 KB
Description 5V/12V Synchronous-Rectified Buck Controller
Datasheet download datasheet UP6101 Datasheet
Additional preview pages of the UP6101 datasheet.

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Full PDF Text Transcription

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uP6101 5V/12V Synchronous-Rectified Buck Controller General Description The uP6101 is a compact synchronous-rectified buck controller specifically designed to operate from 5V or 12 supply voltage and to deliver high quality output voltage as low as 0.6V (uP6101A) or 0.8V (uP6101B/C). This (P)SOP8 device operates at fixed 300kHz (uP6101A/B) or 200kHz (uP6101C) frequency and provides an optimal level of integration to reduce size and cost of the power supply. This controller integrates internal MOSFET drivers that support 12V+12V bootstrapped voltage for high efficiency power conversion. The bootstrap diode is built-in to simplify the circuit design and minimize external part count.
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