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LN2119 - PWM Control Step-up DC/DC Converter

Description

The LN2119 Series is a fixed frequency, constant current step-up DC/DC converter ideal for driving OLED.

Output voltage of up to 22V can be derived, and from a li-ion battery supply ,the output voltage can be 12V drive OLED.

Features

  • s.
  • Input voltage range.
  • Output voltage range.
  • Oscillation frequency.
  • Efficiency.
  • Control.
  • Stand-by Current.
  • Load capacitor.
  • LX limit Current.
  • Package.
  • SOT-23-5L 2.7V.
  • 5.5V up to 22V 1.0MHz±20% 88% PWM control ISTB=1.0uA(MAX) 10uF,ceramic 600mA VOUT CP R1 CL 10uF R2 Note: R1 and R2 can be adjusted by the voltage of VO.

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Datasheet Details

Part number LN2119
Manufacturer natlinear
File Size 239.65 KB
Description PWM Control Step-up DC/DC Converter
Datasheet download datasheet LN2119 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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PWM Control Step-up DC/DC Converter LN2119 ■ General Description The LN2119 Series is a fixed frequency, constant current step-up DC/DC converter ideal for driving OLED. Output voltage of up to 22V can be derived, and from a li-ion battery supply ,the output voltage can be 12V drive OLED. A 2 ohm resistance of NMOS is integrated in the circuit , withstand voltage can support 22V, with a small SOT-23-5 package saves PCB space and BOM cost. ■ Applications  Mobil phones, PHS  PDAs  Digital still cameras ■ Typical Application Circuit VIN 2.5V~6.
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