描述 Description

Off-line SMPS Current Mode Controller IC with integrated 650V CoolMOS? and start-up cell in DIP-7 package. It has more robust design and can work to -40°C. The outstanding performance includes BiCMOS technology, active burst mode, built-in frequency jitter, soft gate driving, propagation delay compensation, built-in soft start time, built-in blanking time and extendable blanking time for over load protection, external auto-restart enable feature,etc.

特性 Features

? 650V avalanche rugged CoolMOS? with built-in Start-up Cell
? Active burst mode for lowest standby power
? Fast load jump response in active burst mode
? 65kHz internally fixed switching frequency
? Auto restart protection mode for overload, open loop, V CC under voltage, over temperature & over voltage
? Built-in soft start
? Built-in blanking window with extendable blanking time for short duration high current
? External auto-restart enable pin
? Max duty cycle 75%
? Overall tolerance of current limiting < ±5%
? Internal PWM Leading Edge Blanking
? BiCMOS technology provide wide V CC range
? Built-in Frequency jitter and soft driving for low EMI

優(yōu)勢(shì):
? Lowest standby power requirements <50mW
? Low operating temperature down to -40°C
? Auto restart protection for overload, over temperature, over voltage
? Wide VCC range
? Soft driving for low EMI

應(yīng)用 Application

Adapter, Charger, Blu-Ray, DVD-Player, Set-Top-Box, Digital Photo Frame, Auxiliary Power Supply for Server, PC, Printer, TV, Home Theater/Audio System, White Goods, etc.

簡(jiǎn)介

ICE3RBR4765JZ屬于集成電路（IC）的ACDC轉(zhuǎn)換器離線開關(guān)。由制造生產(chǎn)的ICE3RBR4765JZAC DC 轉(zhuǎn)換器，離線開關(guān)該系列是元器件級(jí)控制產(chǎn)品，用于構(gòu)建將交流市電轉(zhuǎn)換為直流電（通常電壓大幅降低）的設(shè)備。集成和未集成系統(tǒng)主要開關(guān)元件的器件均包括在內(nèi)。由于高輸入輸出電壓比，以及此類系統(tǒng)中通常需要隔離，這些器件通常與外部變壓器配合使用。盡管通常使用定制變壓器來實(shí)現(xiàn)此用途，但也有許多專門用于此用途的庫(kù)存產(chǎn)品，請(qǐng)參見“開關(guān)轉(zhuǎn)換器，SMPS 變壓器”標(biāo)題。