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UC3552 Datasheet Pwm DC-dc Converter

Manufacturer: Unisonic Technologies

Overview: UNISONIC TECHNOLOGIES CO., LTD UC3552 PWM DC-DC CONVERTER WITH INTERNAL SWITCH AND SOFT-START.

General Description

The UTC UC3552 is a step-up PWM DC-DC converter with a internal switch which is 1.6A, 0.23Ω.

UTC UC3552 offers users flexibility in determining loop dynamics and adjusting operating frequency cause it’s equipped with an external pensation pin ,and it also allows the use of small, low equivalent resistance (ESR) ceramic output capacitors.

UTC UC3552 is capable of converting a standard input of 3.3V to multiple outputs of 8V, − 8V , and 23V.

Key Features

  • >.
  • 1.6A, 0.23Ω, internal switch.
  • High efficiency: 90%.
  • Adjustable output: VDD to 12V.
  • Adjustable frequency: 640kHz or 1.3MHz.
  • Wide input range: +2.6V ~ +5.5V.
  • Low shutdown current: 0.1μA.
  • Programmable soft-start.

UC3552 Distributor