LED驱动

LED面板显示驱动系列专用芯片主要应用于段式和点阵式LED的显示驱动，内部集成有MCU数字接口、数据锁存器、LED驱动、键盘扫描等电路，同时具备高抗ESD和EFT能力。主要适用于家电设备（智能热水器、微波炉、洗衣机、空调、电磁炉）、机顶盒、电子称、智能电表等数码管或LED显示设备。 • 采用CMOS工艺\n• 支持多种段/位显示模式\n• 支持矩阵按键\n• 内置辉度调节电路\n• 2线或3线串行接口\n• 内置RC振荡\n• 内置上电复位电路\n• 内置数据锁存电路\n• 抗干扰能力强;

3-Cell, High-Efficiency, Step-Up DC/DC Converter

FEATURES 4V to 24V Input Voltage Operation. Adjustable Output Voltage. Low Quiescent Current at 100µA. Pulse-Skipping and Pulse-Frequency Modulation Maintain High Efficiency (max. 95). 90KHz to 250KHz Oscillator Frequency. Power-Saving Shutdown Mode (8µA Typical). Push-Pull

Clarification to the Serial I/O Control Register Description for the DSP1620/27/28/29 Devices

Active Clock Frequency The purpose of this advisory is to clarify the function of the serial I/O control registers in the DSP1620/27/28/29 devices. Specifically, it clarifies the function of the control register field that specifies the active clock frequency. The device data sheets state that th

LG1628AXA SONET/SDH 2.488 Gbits/s Transimpedance Amplifier

Functional Description The Lucent Technologies Microelectronics Group LG1628AXA is a hybrid integrated circuit that combines the Lucent LG1628A gallium arsenide (GaAs) transimpedance amplifier chip with an external Si dual operational amplifier and necessary filtering to achieve an ultrawide dyna

HIGH-EFFICIENCY STEP-UP DC-DC CONVERTER

DESCRIPTION The SC1628 is a high performance step-up DC-DC converter, designed to drive an external power switch to generate programmable positive voltages. In the particularly suitable LCD contrast bias and flash memory programming power supply applications, typical full load efficiencies are

HIGH-EFFICIENCY STEP-UP DC-DC CONVERTER

DESCRIPTION The SC1628 is a high performance step-up DC-DC converter, designed to drive an external power switch to generate programmable positive voltages. In the particularly suitable LCD contrast bias and flash memory programming power supply applications, typical full load efficiencies are