800mA Fixed Frequency White LED Driver

DESCRIPTION The MP1488 is a step-up converter designed for driving up to 27 WLEDs (9 strings of 3 WLEDs each) from a 5V system rail. The MP1488 uses a current mode, fixed frequency architecture to regulate the LED current, which is measured through an external current sense resistor. Its low

2.5V-6V Vin升压WLED驱动器

MP1488是一款升压变换器，可通过一个5V系统轨驱动多达27个WLED（9串，每串3个WLED）。MP1488 采用电流控制模式和定频架构来调节LED 电流，并可以通过外部电流采样电阻来检测 LED 电流。其 104mV 的低平均反馈电压降低了功耗，提升了效率。该器件通过OV引脚监测输出电压，并在由于开路而出现过压情况时关闭变换器。\n\n MP1488具有欠压锁定（UVLO）保护、限流保护和用来在输出过载时防止芯片损坏的热过载保护。MP1488 采用小尺寸6引脚TSOT23 封装。 • 输入电压范围：2.5V 至 6V\n• 集成功率 MOSFET\n• 5V输入时最多可驱动27个白光LED\n• 效率高达92%\n• 超过1MHz 的固定开关频率\n• 开路负载关断\n• 104mV 低反馈电压\n• 软启动/PWM调光\n• 欠压锁定（UVLO）保护、过温关断保护\n• 内部800mA限流保护\n• 采用 TSOT23-6 封装;

丝印代码：IZ9YW；800mA Fixed Frequency White LED Driver

DESCRIPTION The MP1488 is a step-up converter designed for driving up to 27 WLEDs (9 strings of 3 WLEDs each) from a 5V system rail. The MP1488 uses a current mode, fixed frequency architecture to regulate the LED current, which is measured through an external current sense resistor. Its low

QUAD MDTL LINE DRIVER EIA-232D

The MC1488 is a monolithic quad line driver designed to interface data terminal equipment with data communications equipment in conformance with the specifications of EIA Standard No. EIA−232D. Features • Current Limited Output ±10 mA typical • Power−Off Source Impedance 300 minimum • Si

QUAD MDTL LINE DRIVER EIA-232D

The MC1488 is a monolithic quad line driver designed to interface data terminal equipment with data communications equipment in conformance with the specifications of EIA Standard No. EIA−232D. Features • Current Limited Output ±10 mA typical • Power−Off Source Impedance 300 minimum • Si

Integrated Circuit FM IF Amp, Demod w/Muting, Center Meter and Signal Meter

Features: • Low Distortion • High Signal–to–Noise Ratio • High Limiting Sensitivity • Large Muting Attenuation • Provides Specific Signal for Direct Drive of a Signal Meter with Good Linearity • Muting Level is Variable by Adjusting the External Resistor • Hig Stability Agains

Quad Line Driver

文件：161.79 Kbytes Page：6 Pages

Quad Line Driver

文件：161.79 Kbytes Page：6 Pages