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  4. Flyback Secondary Regulation Fixed Frequency Flyback Regulator with Multimode Control and Overpower Line Compensation HF500-30 (Monolithic Power Systems, Inc.)
Flyback Secondary Regulation Fixed Frequency Flyback Regulator with Multimode Control and Overpower Line Compensation HF500-30-HF500-30
Flyback Secondary Regulation Fixed Frequency Flyback Regulator with Multimode Control and Overpower Line Compensation HF500-30-Monolithic Power Systems, Inc.

Flyback Secondary Regulation Fixed Frequency Flyback Regulator with Multimode Control and Overpower Line Compensation HF500-30
Monolithic Power Systems, Inc.

Monolithic Power Systems, Inc.'s Response Status

Response Rate

100.0%

Response Time

15.6hours

Relatively Fast Response

About This Product

■Summary

The HF500-30 is a fixed frequency, current mode regulator with integrated slope compensation. The HF500-30 combines a 700V MOSFET and a full-featured controller on one chip to create a low-power, offline, flyback, switch-mode power supply. At medium and heavy loads, the regulator operates at a fixed frequency with frequency jittering. Jittering helps reduce EMI energy at the switching frequency and its harmonics. Under light load conditions, the regulator halts peak current movement and reduces the switching frequency to 25kHz for superior efficiency. For very light loads, the controller enters burst mode to achieve low standby power consumption. Extensive protection features include power recovery and power outage, VCC undervoltage lockout (UVLO), overload protection (OLP), short circuit protection (SCP), input overvoltage protection (OVP), VCC overvoltage protection (OVP), and overtemperature protection (OTP). The HF500-30 features overpower line compensation that ensures the overload protection point is independent of the input voltage. HF500-30 is offered in PDIP8-7B package.

■Features and benefits

・700V/1.4Ω MOSFET integration ・Fixed frequency, current mode control operation with built-in slope compensation ・Frequency foldback up to 25kHz at light loads ・Burst mode for low standby power consumption ・Frequency jittering to reduce EMI characteristics ・Overpower compensation ・Internal high voltage current source ・VCC undervoltage lockout function with hysteresis (UVLO) ・Programmable input B/O and overvoltage protection (OVP) ・VCC overvoltage protection (OVP) ・Overload protection (OLP) with programmable delay ・Timer latch-off protection ・Over-temperature protection (OTP) (automatic restart with hysteresis) ・Short circuit protection (SCP) ・Programmable soft start (SS) ・Provided in PDIP8-7B package

■Available product numbers

・HF500GP-30 ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    Flyback Secondary Regulation Fixed Frequency Flyback Regulator with Multimode Control and Overpower Line Compensation HF500-30

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1 Models of Flyback Secondary Regulation Fixed Frequency Flyback Regulator with Multimode Control and Overpower Line Compensation HF500-30

Image Part Number Price (excluding tax) Type VCC (max) (V) Vac (max) (V) Vac (min) (V) Vbr (V) Package (mm)
Flyback Secondary Regulation Fixed Frequency Flyback Regulator with Multimode Control and Overpower Line Compensation HF500-30-Part Number-HF500-30

HF500-30

Available upon quote

Regulator

30

305

85

650

PDIP8-7B

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About Company Handling This Product

Monolithic Power Systems, Inc.

Response Rate

100.0%

Response Time

15.6hrs

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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Switch Regulators
Switch Regulators　Monolithic Power Systems, Inc.
Monolithic Power Systems, Inc.

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