3线串口共阴极10段7位或13段4位/10X2位键盘扫描LED驱动控制专用电路

AiP1628是一款3线串口共阴极10段7位或13段4位带10*2位键盘扫描的LED驱动控制电路，三线串行通讯接口，RC振荡器，具有八级辉度可调，广泛适用于各种LED面板场合。 • 显示模式软件可调\n• 内置显示RAM\n• 10*2扫描按键矩阵\n• 显示辉度软件可调\n• 三线串行接口（CLK，STB，DIO）\n• 内置RC振荡\n• 封装形式：SOP28/SSOP28(0.635mm)/QFN28(4*4);

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