High Efficiency 1.5x PWM Charge Pump For 4 White LEDs Backlighting

The AIC1841 and AIC1842 provide 4 and 6 LED current source outputs with regulated constant current for uniform intensity. The AIC1841/2 is the low noise, constant frequency charge pump DC/DC converter that uses 1.5X conversion to increase efficiency in white LED applications. The devices can be used • 1MHz Switching Frequency\n• 2.7V to 5.5V Input Voltage Range\n• Low Shutdown Current: ≦1μA\n• Regulated 20mA Full-Scale Output Current\n• 32-Position Linear Scale with Digital Control\n• High Accuracy Brightness Matching\n• 33% Less Input Current Than Doubler Charge Pump\n• No Inductors Requir;

AIC

沛亨半导体

High Efficiency 1.5X charge Pump For White LEDs Backlighting

文件：635.43 Kbytes 页数：17 Pages

AIC

沛亨半导体

Front Monitor Diode for Blu-ray/HD-DVD/DVD/CD with TWI

Description The ATR1841 is a front monitor diode (FMD) which controls the laser power of the optical pickup for Blu-ray/HD-DVD, DVD and CD drives in one IC. With the Two-wire Interface (TWI) it is possible to fit the laser power for Blu-ray/HD-DVD, DVD and CD. Two bits are used to set the mode/g

文件：160.82 Kbytes 页数：8 Pages

Atmel

爱特梅尔

TDK DC to DC Converters, DC to AC Inverters

文件：757.72 Kbytes 页数：9 Pages

TDK

东电化

TDK DC to DC Converters, DC to AC Inverters

文件：757.72 Kbytes 页数：9 Pages

TDK

东电化