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UC32061 - SYNCHRONOUS STEP-DOWN DC/DC CONVERTER

General Description

The UTC UC3206X is a high efficiency synchronous, step-down DC/DC converter.

Its input voltage range is from 2V to 6V, and Output voltage is internally set in a range from 0.8V to 4.0V in increments of 50mV (accuracy: ±2.0%).

Key Features

  • >.
  • Input voltage: 2.0V~6.0V.
  • Output voltage: 0.8V~4.0V (+2.0%).
  • P-ch ON resistance: 0.42Ω.
  • N-ch ON resistance: 0.52Ω.
  • Output current: 600mA.
  • Oscillation frequency: 3.0MHz (+15%).
  • Maximum duty cycle: 100%.
  • High efficiency : 92% (TYP. ).
  • High speed soft-start circuit and Current limiter circuit built-in.
  • CL high speed auto discharge.
  • Low ESR ceramic capacitor compatible.

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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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UNISONIC TECHNOLOGIES CO., LTD UC3206X Preliminary 600mA, 3MHz, SYNCHRONOUS STEP-DOWN DC/DC CONVERTER CMOS IC  DESCRIPTION The UTC UC3206X is a high efficiency synchronous, step-down DC/DC converter. Its input voltage range is from 2V to 6V, and Output voltage is internally set in a range from 0.8V to 4.0V in increments of 50mV (accuracy: ±2.0%). The device is operated by 3.0MHz, and includes 0.42Ω P-channel driver transistor and 0.52Ω N-channel switching transistor. The device provides short-time turn-on by the soft start function internally set in 0.25 ms (TYP).  FEATURES * Input voltage: 2.0V~6.0V * Output voltage: 0.8V~4.0V (+2.0%) * P-ch ON resistance: 0.42Ω * N-ch ON resistance: 0.52Ω * Output current: 600mA * Oscillation frequency: 3.