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Product attributes Property Value
Manufacturer Monolithic Power Systems Inc.
Product Series
Packaging |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) 12.5V ~ 24V
Duty Cycle -
Frequency - Switching 25kHz
Power (Watts) 1.5 W
Fault Protection Over Load, Over Temperature, Over Voltage, Short Circuit
Control Features Soft Start
Operating Temperature -40°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width), 7 Leads
Supplier Device Package 8-SOIC-7B
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Monolithic Power Systems HF500GS-15 is a full-featured flyback regulator for isolated offline AC-DC conversion. It integrates a 700V power switch and delivers up to 1.5W at a 25kHz switching frequency. The 12.5V to 24V Vcc supply and soft start support reliable start-up, while over load, over temperature, over voltage, and short circuit protection safeguard operation. Housed in an 8-SOIC 7-lead package, it operates from -40°C to 125°C junction temperature.

  • Integrated 700V switch provides high breakdown margin for offline mains transients.
  • Isolated flyback topology delivers galvanic isolation for safety.
  • Soft start limits inrush stress during power-up.
  • Over load, over temperature, over voltage, and short circuit protection improve reliability.
  • Compact 8-SOIC 7-lead package suits space-constrained designs.

Low-Power Offline Bias Supplies

The HF500GS-15 integrates a 700V switch in a flyback topology, making it well suited to low-power isolated bias supplies rated at 1.5W. The high breakdown voltage provides margin for offline mains transients.

Standby Power Rails

With soft start and a 25kHz switching frequency, this regulator supports stable start-up in standby and housekeeping rails. Over load, over temperature, over voltage, and short circuit protection guard the supply under fault conditions.

Industrial Control Electronics

The -40°C to 125°C junction temperature range supports industrial control boards that need a compact isolated auxiliary rail. The 8-SOIC 7-lead package saves board space.

Smart Home and IoT Devices

Isolated flyback conversion provides safety isolation for connected devices, while the integrated switch and compact package simplify the power stage.

Q: What topology does the HF500GS-15 use?
A: It is a flyback regulator for isolated offline AC-DC supplies.
Q: Does it have an integrated switch?
A: Yes, it integrates the power switch with a 700V breakdown rating.
Q: What is the Vcc supply range?
A: The Vcc supply range is 12.5V to 24V.
Q: What switching frequency does it run at?
A: It operates at a 25kHz switching frequency.
Q: What is the output power rating?
A: It is rated for 1.5W output power.
Q: What protections are included?
A: Over load, over temperature, over voltage, and short circuit protection, plus soft start.
Base Product Number : HF500GS-15
1.5W 25kHz 700V 8-SOIC Flyback Regulator Integrated Switch Isolated Offline AC-DC PMIC Soft Start
Q: What topology does the HF500GS-15 use?
A: It is a flyback regulator for isolated offline AC-DC supplies.
Q: Does it have an integrated switch?
A: Yes, it integrates the power switch with a 700V breakdown rating.
Q: What is the Vcc supply range?
A: The Vcc supply range is 12.5V to 24V.
Q: What switching frequency does it run at?
A: It operates at a 25kHz switching frequency.
Q: What is the output power rating?
A: It is rated for 1.5W output power.
Q: What protections are included?
A: Over load, over temperature, over voltage, and short circuit protection, plus soft start.