AL3022中文资料led-drivers-for-displays-backlights数据手册Diodes规格书

描述 Description

The AL3022 is a constant 150KHz, voltage mode, external compensation boost controller. The AL3022 has low reference voltage and makes it ideal for low cost LED backlight supplies. 

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\tThe AL3022 can support external PWM dimming and analog dimming. The AL3022 employs complete protection to ensure system security. The device integrates Under Voltage Lockout, Over Voltage Protection, Over Current Protection, Output Voltage (VOUT) Short to GND Protection and Over Temperature Protection to protect the circuit.

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\tTo satisfy the requirements for small mounting space constraints, this IC is available in SO-8 package to save space.

应用 Application

LED TV
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\t\tLED Monitor
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\t\tLED Display Module


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\t\t\t\tProduct Specifications

简介

AL3022属于集成电路（IC）的LED驱动器。由制造生产的AL3022LED 驱动器器件属于 LED 驱动器电源管理集成电路 (PMIC) 系列，可通过标称固定电压的电源为负载（通常为发光二极管）提供电流，并且电流可控。它与用于电压调节的类似产品的主要区别在于，这类器件提供较低的反馈电压（以提高系统能效），而且通常可对器件工作点进行外部控制，可在照明应用中用于实现调光功能。