home products Semiconductors Power AC-DC Power Conversion HF500-30 Fixed-Frequency, Flyback Regulator with Multi-Mode Control and Over-Power Line Compensation
HF500-30 Fixed-Frequency, Flyback Regulator with Multi-Mode Control and Over-Power Line Compensation
HF500-30

HF500-30 Fixed-Frequency, Flyback Regulator with Multi-Mode Control and Over-Power Line Compensation

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The HF500-30 is a fixed-frequency, current-mode regulator with built-in slope compensation.

Product Detail

The HF500-30 is a fixed-frequency, current-mode regulator with built-in slope compensation. The HF500-30 combines a 700V MOSFET 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. Jitterring helps reduce EMI energy on the switching frequency and its harmonics. During a light-load condition, the regulator freezes the peak current and reduces its switching frequency to 25kHz to offer excellent efficiency. At very light loads, the regulator enters burst mode to achieve low standby power consumption.Full protection features include brown-in and brown-out, VCC under-voltage lockout (UVLO), overload protection (OLP), short-circuit protection (SCP), input over-voltage protection (OVP), VCC over-voltage protection (OVP), and over-temperature protection (OTP).The HF500-30 features over-power line compensation to ensure that the overload protection point is independent of the input voltage.The HF500-30 is available in a PDIP8-7B package.

Pricing Table

Technical Specification

Grade:
Catalog
Type:
Flybacks
Vac (min) (V):
85
Vac (max) (V):
305
Type1:
Regulator
Vbr (V):
700
VCC (max) (V):
30

Additional Documentation

Manufacturer

Monolithic Power Systems (MPS)

Monolithic Power Systems, Inc. (MPS) provides small, highly energy efficient, easy-to-use power solutions for systems found in industrial applications, telecom infrastructures, cloud computing, automotive, and consumer applications.

Learn about Monolithic Power Systems (MPS)

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