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ASL1507SHN - Single-phase and two-phase boost converter

General Description

The ASL1507SHN; ASL2507SHN has a fixed frequency peak current mode control with parabolic/non‑linear slope compensation.

It can operate with input voltages from 5.5 V to 40 V.

It can be configured in boost topology via SPI for output voltages of up to 80 V, to power the LED buck driver IC.

Key Features

  • AEC-Q100 grade 1 qualified.
  • Limp-home mode ensuring system safety.
  • Up to two flexible output voltages with 3 % accuracy programmable via SPI.
  • Single phase on each output or double phase on one output.
  • Fixed frequency operation via built-in oscillator from 125 kHz to 700 kHz.
  • Slope compensation to track the frequency and output voltage.
  • Programmable control loop compensation.
  • Programmable spread spectrum functionality.

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Full PDF Text Transcription for ASL1507SHN (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for ASL1507SHN. For precise diagrams, and layout, please refer to the original PDF.

ASL1507SHN; ASL2507SHN Single-phase and two-phase boost converter with limp-home mode Rev. 1 — 26 April 2018 Product data sheet 1 Introduction The ASL1507SHN is a highly ...

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ril 2018 Product data sheet 1 Introduction The ASL1507SHN is a highly integrated and flexible one-phase DC-to-DC boost converter IC. The IC has one integrated gate driver which can drive one external power metal-oxide-semiconductor field-effect transistor (MOSFET) and two integrated proportional-integral (PI) controllers which can regulate the output voltage. It has a serial peripheral interface (SPI) allowing control and diagnostic communication with an external microcontroller. The ASL2507SHN is a highly integrated and flexible two-phase DC-to-DC boost converter IC.

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