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R1270S - 3A PWM/VFM Step Down DC/DC Converter

Key Features

  • Operating Voltage (Maximum Rating).
  • 3.6 V to 34 V (36 V).
  • Consumption Current.
  • Typ. 18 µA (VIN = 12 V).
  • Stand-by Current.

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Datasheet Details

Part number R1270S
Manufacturer Nisshinbo
File Size 1.58 MB
Description 3A PWM/VFM Step Down DC/DC Converter
Datasheet download datasheet R1270S Datasheet

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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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R1270S Series 3 A, 34 V Input PWM/VFM Step Down DC/DC Converter with PLL Synchronization No. EA-299-200624 OUTLINE The R1270S is CMOS-based Step-down DC/DC converter with internal N-channel high side Tr. The ON resistance of the built-in high-side transistor is 0.10 and the R1270S can provide the maximum 3 A output current. Each of the ICs consists of an oscillator, a PWM control circuit, a voltage reference unit, an error amplifier, a phase compensation circuit, a slope compensation circuit, a soft-start circuit, protection circuits, an internal voltage regulator, and a switch for bootstrap circuit. The ICs can make up a step-down DC/DC converter with adding an inductor, resistors, a diode, and capacitors externally.