單級功率因數(shù)校正(PFC)、初級側(cè)恒流輸出及可控硅調(diào)光的LED驅(qū)動器IC

LinkSwitch-PH是一款能實(shí)現(xiàn)LED調(diào)光電源的芯片,大幅簡化要求功率因數(shù)大于0.9、具備可控硅調(diào)光的高效率LED驅(qū)動器的設(shè)計。這款高度集成控制器的器件采用了全新的變壓器設(shè)計控制技術(shù)，不僅能提供非常高的功率因數(shù)和精確的恒流輸出控制，同時還可省去功率因數(shù)校正所需的無源電路以及光耦器和次級電流控制電路。/p>\r\n\r\n 每個器件都在一個單片IC上集成了一個725 V功率MOSFET、一個連續(xù)模式PWM控制器、一個自偏置的高壓開關(guān)電流源、頻率抖動、逐周期電流限制及遲滯熱關(guān)斷電路。 大幅簡化離線式LED驅(qū)動器\r\n? 單級功率因數(shù)校正(PFC)及精確恒流(CC)輸出\r\n? 無閃爍的相位控制可控硅調(diào)光\r\n? 省去光耦器和所有次級電流控制電路\r\n? 省去所有控制環(huán)路補(bǔ)償電路\r\n? 簡化初級側(cè)PWM調(diào)光接口\r\n\r\n精確穩(wěn)定的性能\r\n? 快速啟動時間\r\n? 補(bǔ)償變壓器電感容差\r\n? 補(bǔ)償輸入電壓變化\r\n? 頻率調(diào)制技術(shù)可極大縮減EMI濾波器的尺寸和成本\r\n\r\n先進(jìn)的保護(hù)及安全特性\r\n? 通過自動重啟動提供短路保護(hù)\r\n? 開路故障檢測模式\r\n? 自動熱關(guān)斷或遲滯自動重啟動\r\n? 無論在PCB板上還是在封裝上，都保證高;

PI

Single-Stage PFC, Primary-Side Constant Current Control and TRIAC Dimming/Non-Dimming Options

Dramatically Simplifies Off-line LED Drivers ? Single-stage combination of power factor correction and accurate constant-current (CC) output ? Enables very long lifetime designs (no electrolytic capacitors) ? Eliminates optocoupler and all secondary current control circuitry ? Eliminates con

文件：1.52572 Mbytes 頁數(shù)：20 Pages

POWERINTPower Integrations, Inc.

荷蘭帕沃英蒂格盛有限公司

Package：7-SSIP，6 引線，裸露焊盤，成形引線；包裝：管件 類別：集成電路（IC） LED 驅(qū)動器 描述：IC LED DRVR OFFL TRIAC ESIP-7C

Power Integrations

Single-Stage PFC, Primary-Side Constant Current Control and TRIAC Dimming/Non-Dimming Options

Dramatically Simplifies Off-line LED Drivers ? Single-stage combination of power factor correction and accurate constant-current (CC) output ? Enables very long lifetime designs (no electrolytic capacitors) ? Eliminates optocoupler and all secondary current control circuitry ? Eliminates con

文件：1.52572 Mbytes 頁數(shù)：20 Pages

POWERINTPower Integrations, Inc.

荷蘭帕沃英蒂格盛有限公司

HIGH PERFORMANCE QUAD OPERATIONAL AMPLIFIERS

DESCRIPTION The LS404 is a high performance quad operational amplifier with frequency and phase compensation built into the chip. The internal phase compensation allows stable operation as voltage follower in spite of its high Gain-Bandwidth Product. ■ SINGLE OR SPLIT SUPPLY OPERATION ■ LO

文件：209.28 Kbytes 頁數(shù)：12 Pages

STMICROELECTRONICS

意法半導(dǎo)體

LOW NOISE LOW DRIFT MONOLITHIC DUAL N CHANNEL JFET

FEATURES LOW DRIFT |V GS1-2 / T| = 10μV/°C TYP. LOW NOISE en = 6nV/Hz @ 10Hz TYP. LOW PINCHOFF Vp = 2.5V TYP.

文件：241.25 Kbytes 頁數(shù)：2 Pages

LINEAR