HM2786A中文资料华之美半导体数据手册PDF规格书

描述 Description

HM2786A is an offline linear regulator with a compact non-inductor design. HM2786A output voltage has been changed The internal setting is 5V/3.3V/2.7V three versions. HM2786A is a simple and reliable way to obtain bias power supply Of offline power solutions.

HM2786A integrates 650V power MOSFET, start-up control circuit, VDD voltage control circuit, AC Signal synchronization detection circuit, low dropout voltage regulator, etc. The chip intelligently controls the AC energy input to reduce System loss, improve system efficiency, and effectively reduce system standby at the same time. HM2786A integrates complete protection functions with self-recovery function: VDD under-voltage protection, VDD over-voltage protection, Output overload protection, output undervoltage protection, lightning surge protection and built-in over-temperature protection, etc.

features

● High output voltage accuracy: 2

● Internal setting of output voltage

● Optimize control methods to improve efficiency

● Wide input voltage range: 80~305V AC

● No power inductor required

● No need to input high voltage capacitor

● Few components and low cost

● Fast dynamic response

● Output short circuit protection

● Output undervoltage protection

● Output overload protection

● Built-in overheat protection

● Package type SOP-8, DIP-8