NCP11187数据手册集成电路（IC）的ACDC转换器离线开关规格书PDF

描述 Description

NCP11187 integrates a peak current mode PWM controller
employing mWSaver™ technology and a highly robust 800 V SJ
MOSFET providing especially enhanced performance in 50 W flyback
converters.

特性 Features

• Internal rugged 0.7 Ω Typ.RDS(on) 800 V MOSFET and Built-in HV current source for start up
• Easy and Rugged design with minimal external components
• mWSaverTM Technology and Frequency Foldback
• Low standby power;
• Fsw options: 65/100/130 kHz
• Allows design trade-offs between space and efficiency
• Line compensation for constant maximum over load limiting
• Design flexibility
• Brown In/Out Protection & Line Over Voltage Protection
• Robust design in case of poor AC grid network
• Various Protections
• VDD Over Voltage Protection (VDD-OVP)
• Over Load Protection (OLP)
• Current Sensing Resistor Short Protection (CSSP)
• Abnormal Over Current Protection (AOCP)
• Thermal Shutdown Protection (TSD)
• VDD Under-Voltage Lockout
• Selectable A/R or Latch Protection by IPT: VDD-OVP, OLP, AOCP, TSD
• High system reliability

应用 Application

• Industrial Auxiliary Power Supply
• AC Adaptor
• Industrial SMPS
• White Good Power Supply
• E-metering SMPS

简介

NCP11187属于集成电路（IC）的ACDC转换器离线开关。由制造生产的NCP11187AC 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。