SC4808AIMSTRT集成电路（IC）的ACDC转换器离线开关规格书PDF中文资料

SC4808AIMSTRT属于集成电路（IC）的ACDC转换器离线开关。由Semtech Corporation制造生产的SC4808AIMSTRTAC DC 转换器，离线开关该系列是元器件级控制产品，用于构建将交流市电转换为直流电（通常电压大幅降低）的设备。集成和未集成系统主要开关元件的器件均包括在内。由于高输入输出电压比，以及此类系统中通常需要隔离，这些器件通常与外部变压器配合使用。尽管通常使用定制变压器来实现此用途，但也有许多专门用于此用途的库存产品，请参见“开关转换器，SMPS 变压器”标题。

Description

The SC4808A/B is a dual-ended, high frequency, integrated PWM controller, optimized for isolated applications that require minimum space. It can be configured for current or voltage mode operation with required control circuitry where secondary side error amplifier is used.

Features

◆ 120µA starting current

◆ Pulse by pulse current limit

◆ Programmable operation up to 1MHz

◆ Internal soft start

◆ Programmable line undervoltage lockout

◆ Over current shutdown

◆ Dual output drive stages on push-pull configuration

◆ Programmable internal slope compensation

◆ Programmable mode of operation (peak current mode or voltage mode)

◆ External frequency synchronization

◆ Bi-phase mode of operation

◆ -40 to 105 °C operating temperature

◆ 10 Pin MSOP lead free package available. WEEE and RoHS compliant.

Applications

◆ Telecom equipment and power supplies

◆ Networking power supplies

◆ Industrial power supplies

◆ Push-pull converter

◆ Half bridge converter

◆ Full bridge converter

◆ Isolated VRM’s