升壓型 LED 定電流驅(qū)動控制器

RT9293 是高頻、異步的 Boost 轉(zhuǎn)換器，內(nèi)部集成了支持多達10只 WLED 串聯(lián)的背光應(yīng)用和 OLED 供電的 MOSFET ，還有內(nèi)置的軟啟動功能以消除沖擊電流。IC 工作在 1MHz 的頻率下，容許使用小型的元器件，EMI 問題也得到了簡化。在應(yīng)用安全方面，RT9293A 提供了 50V 的過壓保護，RT9293B 提供了50V/20V的過壓保護，容許根據(jù)需要選擇合適的小型輸出電容和盡可能低的耐壓等級。提供給 LED 的電流是由外部電流檢測電阻 RSET 所確定的。 RT9293 的可選封裝有 TSOT-23-6 和 WDFN-8L 2x2 ，為取得最佳的 PCB 空間和總體擁有 ?VIN 輸入電壓范圍： 2.5V~5.5V\n?外部組件極少\n?內(nèi)置補償電路\n?過壓保護\n? 小型的 TSOT-23-6 封裝和8引腳 WDFN 封裝\n?符合 RoHS 規(guī)范，不含鹵素;

Richtek

立锜科技

48K ROM HCMOS MCUs WITH ON SCREEN DISPLAY AND A/D CONVERTER

GENERAL DESCRIPTION The ST9293 is a ROM member of the ST9 family of microcontrollers, completely developed and produced by SGS-THOMSON Microelectronics using a proprietary n-well HCMOS process. The ROM parts are fully compatible with their EPROM versions, which may be used for the prototyping an

文件：66.1 Kbytes 頁數(shù)：4 Pages

STMICROELECTRONICS

意法半導(dǎo)體

Σ-? Modulation System DA Converter with Analog Filter

TC9293F, TC9293FN, TC9293N are a 2’nd order Σ-? modulation system 1 bit DA converter with a built-in 8 times over sampling digital filter and analog filter developing for digital audio equipment. As this IC is small package, SSOP24 (1.00 mm, 0.65 mm) and SDIP24, and the analog filter has been

文件：366.54 Kbytes 頁數(shù)：17 Pages

TOSHIBA

東芝

Σ-? Modulation System DA Converter with Analog Filter

TC9293F, TC9293FN, TC9293N are a 2’nd order Σ-? modulation system 1 bit DA converter with a built-in 8 times over sampling digital filter and analog filter developing for digital audio equipment. As this IC is small package, SSOP24 (1.00 mm, 0.65 mm) and SDIP24, and the analog filter has been

文件：366.54 Kbytes 頁數(shù)：17 Pages

TOSHIBA

東芝