AAT2823集成电路（IC）的LED驱动器规格书PDF中文资料

AAT2823属于集成电路（IC）的LED驱动器。由美国思佳讯公司制造生产的AAT2823LED 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。

Features

LCD Bias Power

• 2.5V to 5.5V Input Supply Range

• 1.3MHz Fixed Frequency Current-Mode Step-Up

Regulator

• Fast Transient Response

• Adjustable Voltage up to 14.5V

▪ ±1 Typical Accuracy

• Small External Inductor and Capacitors

• Integrated Soft Start and Sequencing of All Rails

• Short-Circuit, Over-Voltage, and Over-Temperature

Protection

Positive Output, VGH

• Up to 13.2V Input Supply (VDD)

• Adjustable Voltage up to 30V @ 20mA

▪ ±3 Typical Accuracy

Negative Output, VGL

• Up to 13.2V Input Supply (VDD)

• Adjustable Voltage down to -30V @ 20mA

▪ ± 3 Typical Accuracy

WLED Driver

• Input Voltage Range: 2.5V to 25V

• Maximum Continuous Output:

▪ 12V @ 260mA

▪ 28V @ 50mA

• Panel sizes from 5 – 10

▪ 5.0 3S5P

▪ 5.6 3S6P

▪ 7.0 3S9P

▪ 8.0 3S10P/11P

▪ 10 3S13P

• Constant LED Current with 6 Accuracy

• PWM Dimming Control

▪ Up to 1kHz

• 1.3MHz Switching Fixed Frequency

▪ Up to 90 Efficiency

VCOM Buffer

• High-Performance

▪ 13V/μs Slew Rate

▪ 12MHz, -3dB Bandwidth

• ±75mA Output Short-Circuit Current

• Low 1.5mA Quiescent Current