HFC0500GS-Z original factory authorized first-level agent to ensure imported original authentic, fake one penalty ten at reasonable price-Yujixin Electronics

HFC0500GS-Z

Fixed frequency flyback controller with ultra-low no-load power consumption

Product Description

The HFC0500 is a fixed frequency current mode controller with internal slope compensation. Specifically designed for medium power, offline, flyback, switching power supplies. The HFC0500 is a green-mode high-efficiency controller. At light loads, the controller freezes peak current and reduces its switching frequency to 25kHz to provide excellent light load efficiency. At very light loads, the controller enters burst mode for very low standby power consumption. The HFC0500 provides frequency jitter to help remove energy from conducted noise. HFC0500 adopts the over-power compensation function, which narrows the difference between the over-power protection points of low-voltage lines and high-voltage lines. The HFC0500 also has an x-cap discharge function that releases the x-cap when the input is unplugged. This helps reduce no-load power. The HFC0500 has multiple protection functions, including thermal shutdown (TSD), VCC under-voltage lockout (UVLO), overload protection (OLP), over-voltage protection (OVP), and power-off protection. The HFC0500 is available in the SOIC8-7A package.

Product Features

Fixed Frequency Current Mode Control with Internal Slope Compensation

Frequency reduced to 25kHz at light load

Burst mode for low standby power consumption, meeting EUP batch 6 requirements

Reduce frequency jitter of EMI signals

X-Cap discharge function

Adjustable overpower compensation

Internal high voltage current source

VCC undervoltage hysteresis lockout (uvlo)

High voltage loss protection

Programmable time delay overload protection

Thermal shutdown (hysteresis auto restart)

Lockout External Over Voltage Protection (OVP) and Over Temperature Protection (OTP) On Timer

VCC over-voltage protection lockout

Short circuit protection

Programmable soft start

technical parameter

Vac (min) (V)85

fsw (max) (kHz)65

Vbr(V)700

Vac (max) (V)305

VCC (max) (V)30

Typical Pmax (W)120

PackageSOIC8-7

TypeController

GradeCatalog

Control MethodFixed Frequency

Power Range DefinedNo