Step-Up DC/DC Converters for White LED Backlight Applications

文件：1.55913 Mbytes Page：27 Pages

Step-Up DC/DC Converters for White LED Backlight Applications

文件：1.68957 Mbytes Page：27 Pages

Step-Up DC/DC Converters for White LED Backlight Applications

Features • Input Voltage Range: 2.7V to 5.5V • Maximum Continuous Output 24V @ 50mA • Drives 6 LEDs in Series, 12 LEDs in Parallel / Series Configuration ▪ Constant LED Current with 6 Accuracy • Digital Control with S2Cwire Single Wire Interface ▪ 26 Discrete Steps ▪ No PWM Control Require

Step-Up DC/DC Converters for White LED Backlight Applications

文件：1.68957 Mbytes Page：27 Pages

Step-Up DC/DC Converters for White LED Backlight Applications

文件：1.55913 Mbytes Page：27 Pages

Customer Specification

Construction 1) Conductor a) Material Tinned Copper, per ASTM B-33 and CID-A-A-59551, latest revision b) Stranding Solid 2) Braid Data a) Nominal Dimensions .250 x .030 Inches b) AWG of Ends 36 c) Number of Carriers 24 d) Nominal Percent Coverage N/A e) Total Number of Ends 168 f) Approx

FM IF System

Overview Being developed for FM IF System, LA1231 is a highly integrated circuit in which almost all functions are contained concerning the FM tuner IF stage. The block diagram of equivalent circuit is shown below. Usual peripheral circuits are shown also in examples of application circuits.

Variable RF Inductor

文件：326.45 Kbytes Page：2 Pages