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UPC1935 Datasheet DC-DC CONVERTER CONTROL IC

Manufacturer: NEC (now Renesas Electronics)

Overview: DATA SHEET BiCMOS INTEGRATED CIRCUIT µ PC1935 DC-DC CONVERTER CONTROL.

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General Description

The µ PC1935 is a low-voltage input DC-DC converter control IC that can configure a three-output (step-up × 2, inverted output × 1) DC-DC converter at an input voltage of 3, 3.3, or 5 V.

Because of its wide operating voltage range, this IC can also be used to control DC-DC converters using an AC adapter for input.

Key Features

  • Low supply voltage: 2.5 V (MIN. ).
  • Operating voltage range: 2.5 to 20 V (breakdown voltage: 30 V).
  • Can control three output channels.
  • Timer latch circuit for short-circuit protection.
  • Ceramic capacitor with low capacitance (0.1 µ F) can be used for short-circuit protection.
  • Dead times of channels 2 (step-up) and 3 (inverted output) can be set from external resistors. Dead time of channel 1 (step-up) is internally fixed to 85 %.
  • S.

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