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EL7515 - High Frequency PWM Step-Up Regulator

General Description

CONDITIONS MIN (Note 1) TYP MAX (Note 1) UNIT VIN VOUT IQ1 IQ2 VFB IB Input Voltage Range Output Voltage Range Quiescent Current - Shut-down Quiescent Current Feedback Voltage Feedback Input Bias Current 1.8 13.2 V 4.5 17 V VEN = 0, feedback resistors disconnected 1 µA VEN = 2V 1.4

Key Features

  • Up to 92% efficiency.
  • Up to 600mA IOUT.
  • 4.5V < VOUT < 17V.
  • 1.8V < VIN < 13.2V.
  • Up to 1.2MHz adjustable frequency.

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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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® Data Sheet August 10, 2007 EL7515 FN7120.2 High Frequency PWM Step-Up Regulator The EL7515 is a high frequency, high efficiency step-up DC/DC regulator operated at fixed frequency PWM mode. With an integrated 1.4A MOSFET, it can deliver up to 600mA output current at up to 92% efficiency. The adjustable switching frequency is up to 1.2MHz, making it ideal for DSL applications. When shut down, it draws <1µA of current. This feature, along with the minimum starting voltage of 1.8V, makes it suitable for portable equipment powered by one Lithium Ion, 3 to 4 NiMH cells, or 2 cells of alkaline battery. The EL7515 is available in a 10 Ld MSOP package, with maximum height of 1.1mm. With proper external components, the whole converter takes less than 0.25in2 PCB space.