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HF500-15 - Flyback Regulator

Description

The HF500-15 is a fixed-frequency, currentmode regulator with built-in slope compensation.

It combines a 700V MOSFET of high avalanche ruggedness and a full-featured controller into one chip for a low-power, offline, flyback, switch-mode power supply.

Features

  • include thermal shutdown, brown-in and brownout, VCC undervoltage lockout (UVLO), overload protection (OLP), short-circuit protection (SCP), input and output over-voltage protection (OVP), and overtemperature protection (OTP) . The HF500-15 features timer-based fault detection and over-power compensation to ensure that the overload is independent of the input voltage. The HF500-15 is available in a SOIC8-7B package. Maximum Output Power3 230Vac±15% 85Vac~265Vac Adapter1 Open Frame2 Adapt.

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Datasheet preview – HF500-15

Datasheet Details

Part number HF500-15
Manufacturer MPS
File Size 1.48 MB
Description Flyback Regulator
Datasheet download datasheet HF500-15 Datasheet
Additional preview pages of the HF500-15 datasheet.

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Full PDF Text Transcription

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HF500-15 Fixed Frequency Multi-Mode Flyback Regulator Integrated with Highly Rugged MOSFET DESCRIPTION The HF500-15 is a fixed-frequency, currentmode regulator with built-in slope compensation. It combines a 700V MOSFET of high avalanche ruggedness and a full-featured controller into one chip for a low-power, offline, flyback, switch-mode power supply. At medium and heavy loads, the regulator works in a fixed frequency with frequency jittering, which helps to spread energy out in a conducted mode. During a light-load condition, the regulator freezes the peak current and reduces its switching frequency to fOSC(min) to offer excellent efficiency at light load. At very light loads, the regulator enters burst mode to achieve low standby power consumption.
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