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AL3022 - PWM BOOST CONTROLLER

General Description

The AL3022 is a constant 140KHz, voltage mode, external compensation boost controller.

The AL3022 has low feedback voltage and makes it ideal for low cost LED backlight supplies.

The AL3022 can support external PWM dimming and analog dimming.

Key Features

  • Voltage Mode PWM Controller.
  • Low 0.2V Reference Voltage.
  • Fixed 140KHz Frequency.
  • External PWM Dimming and Analog Dimming.
  • Low Shutdown Current (0.1µA).
  • External Compensation.
  • Built-in UVLO Function.
  • Built-in OVP.
  • Built-in OTP.
  • Built-in OCP.
  • Built-in VOUT Short to GND Protection.
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2).
  • Halogen and Antimony Free. “Green” Device (Note 3) Pin Assignments (Top View) VIN 1 OUT 2 GND 3 C.

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AL3050 SMALL PANEL BACKLIGHT LED DRIVER
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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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NEW PRODUCT A Product Line of Diodes Incorporated AL3022 PWM BOOST CONT3R0O4L3LER Description The AL3022 is a constant 140KHz, voltage mode, external compensation boost controller. The AL3022 has low feedback voltage and makes it ideal for low cost LED backlight supplies. The AL3022 can support external PWM dimming and analog dimming. The AL3022 offers complete system protection with integrated Under Voltage Lockout, Over Voltage Protection, Over Current Protection, Output Voltage (VOUT) Short to GND Protection and Over Temperature Protection circuitry. To satisfy the limited PCB mounting space requirements, this IC is available in SO-8 package to save space. Features  Voltage Mode PWM Controller  Low 0.