SC454集成电路（IC）的LED驱动器规格书PDF中文资料

SC454属于集成电路（IC）的LED驱动器。由升特制造生产的SC454LED 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。

描述 Description

The SC454 is a single-phase chip, high-performance PWM controller designed to power advanced IMVP-6 and IMVP6+ ™ processors. On-chip support is provided for all of the IMVP-6/6+ requirements, including Active Voltage Positioning, Geyserville-3 VID transitions, VID-Controlled Deeper Sleep voltage setting, PSI#, DPRSTP#, DPRSLP Control, Fast and Slow C4 Exit, and default Boot Voltage.

特性 Features

◆ Single-Phase Solution with Integrated Drivers

◆ Hysteretic Control for Fast Transient Response

◆ VR_TT Support

◆ Active Voltage Positioning

◆ True Differential Remote (die) Sensing

◆ On-Chip Support for all IMVP-6/6+ Power Management Features

◆ VID Programmed Deeper Sleep Voltage

◆ Fast/Slow C4E Break Event Support

◆ Clock Enable (CLKEN#) Output

◆ Delayed Power Good Signal with Blanking

◆ Programmable Soft-Start and DAC Slew Control

◆ Programmable OCP Threshold

◆ Supports all Ceramic Decoupling Solutions

◆ 32-pin MLP (5x5)

◆ Latched Over-Voltage Protection

Applications

◆ IMVP-6/6+ Notebook PCs

◆ Embedded Applications