ICL1402 是一款適應(yīng)于可控硅調(diào)光高壓線性
LED 恒流驅(qū)動(dòng)芯片,內(nèi)部集成550V 高壓MOS???br />
通過(guò)外設(shè)電阻設(shè)定可控硅調(diào)光器的維持電流,同時(shí)
也可以對(duì)LED 所需要的驅(qū)動(dòng)電流進(jìn)行設(shè)置,電流可
在5mA~100mA 范圍內(nèi)進(jìn)行任意調(diào)節(jié),芯片電流精
準(zhǔn)度可達(dá)到±3%。
ICL1402 內(nèi)置線性過(guò)溫保護(hù)功能,可以有效防止
系統(tǒng)溫度突變?cè)斐傻膿p壞。
ICL1402 整個(gè)系統(tǒng)具有外圍簡(jiǎn)單,應(yīng)用靈活,可
靠性高,體積小,系統(tǒng)成本低等優(yōu)點(diǎn),合適的封裝技
術(shù)可應(yīng)用于各類LED 燈具。 ICL9201 是一款低成本的紋波抑制芯片,與LED
燈珠串聯(lián),用來(lái)抑制定電流源產(chǎn)生的電流紋波,所需外
圍元器件少、系統(tǒng)成本極低。
ICL9201 在可控硅調(diào)光器調(diào)光全程都能提供優(yōu)異
的去頻閃表現(xiàn)。 ICNE2530D is a high voltage linear constantcurrent LED driver for phase–cut dimmable application,which integrates 500V high voltage MOS.The phase-cut dimmer holding current and theLED driving current can be set through the external resistors between 5mA and 100mA, the current precision can reach ±3%.
ICNE2530Dbuilt-innegativetemperaturecompensation function, help to improve the sourceregulation of the linear power supply system. Thebuilt-in negative temperature compensation functioncan effectively prevent damage to the system causedby sudden temperature changes.ICNE2530D system has simple peripherals,flexible application, high reliability, small volume, andlow system BOM cost. It is suitable for all kinds of LEDlamps.