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XC9519 - Dual Output Step-Up/Inverting DC/DC Converter

Description

The XC9519 series is a 2 channel (step-up and inverting) DC/DC converter IC.

One DC/DC converter is a step-up DC/DC and the other is an inverting DC/DC converter.

Features

  • nput Voltage : 2.7V ~ 5.5V Output Current Positive Output Voltage Negative Output Voltage : 500mA @VIN=3.7V, VOUTP=5.0V, VOUTN=-5.0V : 4.0V (.
  • 1) ~ 18.0V (accuracy ±1.5% @25oC) : -15.0V (.
  • 2) ~ -4.0V (accuracy ±1.5% @25oC) Oscillation Frequency : 1.2MHz Soft-Start Circuit Built-In : Step-up DC/DC converter 2.5ms (TYP. ) : Inverting DC/DC converter 2.2ms (TYP. ) Protection Circuits : Over Current Limit (Integral Latching) Short Protection Latching UVLO Thermal Shutdown Over Voltage.

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Full PDF Text Transcription

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XC9519 Series ETR0710-009 Dual Output Step-Up/Inverting DC/DC Converter ■GENERAL DESCRIPTION The XC9519 series is a 2 channel (step-up and inverting) DC/DC converter IC. One DC/DC converter is a step-up DC/DC and the other is an inverting DC/DC converter. The step-up converter compares a built-in reference voltage 1.0V to the FBP voltage (accuracy ±1.5%) and a positive output voltage can be set freely with the external components up to 18V. The inverting DC/DC converter compares a difference between a reference voltage and the FBN voltage (accuracy ±1.5%) to the GND, then a negative output voltage can be set until -15V with the external components. With a 1.2MHz frequency, the size of the external components can be reduced.
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