低压恒流DC-DC驱动

MT7201C是一款连续导通模式的降压型LED恒流驱动芯片。在输入电压高于LED电压时，能有效驱动一颗或多颗串联的LED。MT7201C支持6V～40V的输入电压，输出电流可调，最高可达1A。\n\nMT7201C内置功率开关管和一个高端电流检测电路，可通过外部电阻设置LED平均电流，并通过ADJ引脚接收模拟调光和PWM调光信号。芯片内置PWM滤波电路，该电路能通过控制电流的上升沿从而实现软启动。软启动的时间可通过在ADJ引脚与地之间增加一个外部电容来延长。当ADJ引脚电压低于0.2V时，功率开关管截止，MT7201C将进入极低工作电流的待机状态。 • 极少的外围器件\n• 高达1A的恒电流输出\n• 单一引脚实现开/关、模拟调光和PWM调光\n• 内含PWM滤波器\n• 良好线性调整率\n• 降低EMI的抖频技术\n• 效率高达97%\n• 宽输入电压范围：6V～40V\n• 最大1MHz开关频率\n• LED开路保护\n• 输出电流精度：±5%\n• SOT89-5封装;

1A LED driver with internal switch

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低压恒流DC-DC驱动

MT7201C+是一款连续导通模式的降压型LED恒流驱动芯片。在输入电压高于LED电压时，能有效地驱动一颗或多颗串联的LED。MT7201C+支持6V~50V的输入电压，输出电流可调，最高可达1.2A。\n\nMT7201C+内置功率开关管和一个高端电流检测电路，可通过外部电阻设置LED平均电流，并通过ADJ引脚接收模拟调光和PWM调光信号。芯片内置PWM滤波电路，该电路能通过控制电流的上升沿从而实现软启动。软启动的时间可通过在ADJ引脚与地之间增加一个外部电容来延长。当ADJ引脚电压低于0.2V时，功率开关管截止，MT7201C+将进入极低工作电流的待机状态。 • 极少的外围器件\n• 高达1.2A的恒电流输出\n• 单一引脚实现开/关、模拟调光和PWM调光\n• 内含PWM滤波器\n• 降低EMI的抖频技术\n• 效率高达97%\n• 宽输入电压范围：6V~50V\n• 最大1MHz开关频率\n• LED开路保护\n• 输出电流精度：±5%\n• SOT89-5封装;

256 x 9, 512 x 9, 1K x 9 CMOS FIFO

Descriptions The MS7200L/7201AL/7202AL are dual-port static RAM based CMOS First-In/First-Out (FIFO) memories organized in nine-bit wide words. The devices are configured so that data is read out in the same sequential order that it was written in. Additional expansion logic is provided to allow

Integrated MPEG2 AVG decoder

The SAA7201 is an MPEG2 decoder which combines audio decoding and video decoding. Additionally to these basic MPEG functions it also provides means for enhanced graphics and/or on-screen display. Due to an optimized architecture for audio and video decoding, maximum capacity in the ext

Integrated MPEG2 AVG decoder

The SAA7201 is an MPEG2 decoder which combines audio decoding and video decoding. Additionally to these basic MPEG functions it also provides means for enhanced graphics and/or on-screen display. Due to an optimized architecture for audio and video decoding, maximum capacity in the ext

MICROPOWER LOW-DROPOUT LDO VOLTAGE REGULATORS

文件：623.53 Kbytes Page：36 Pages

MICROPOWER LOW-DROPOUT LDO VOLTAGE REGULATORS

文件：623.53 Kbytes Page：36 Pages