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Product attributes Property Value
Manufacturer Monolithic Power Systems Inc.
Product Series
Packaging Tape & Reel (TR) |
Output Isolation Isolated
Internal Switch(s) No
Voltage - Breakdown -
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) 11V ~ 20V
Duty Cycle -
Frequency - Switching 600kHz
Power (Watts) -
Fault Protection Over Load, Over Temperature, Over Voltage, Short Circuit, UVLO
Control Features Frequency Control, Soft Start
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The HFC0310GS-P from Monolithic Power Systems is a fixed-frequency flyback controller for isolated offline AC-DC conversion. Operating at 600kHz with an 11V to 20V Vcc supply, it drives an external power switch, giving designers flexibility in switch selection. It integrates frequency control and soft start, and includes Over Load, Over Temperature, Over Voltage, Short Circuit, and UVLO protection. Housed in an 8-SOIC package, it is rated for -40°C to 150°C junction temperatures.

  • High 600kHz switching frequency enables smaller magnetics and compact isolated flyback designs.
  • External-switch architecture lets designers select the power MOSFET best suited to their application.
  • Comprehensive fault protection (Over Load, Over Temperature, Over Voltage, Short Circuit, UVLO) improves reliability.
  • Wide -40°C to 150°C junction temperature range supports demanding thermal environments.
  • Frequency control and soft start simplify stable startup and EMI-conscious design.

Compact Offline Adapters

The 600kHz switching frequency allows small magnetic components, enabling compact isolated flyback adapter designs. The external-switch architecture gives designers flexibility in choosing a power MOSFET matched to their target power level.

Industrial Auxiliary Supplies

With a -40°C to 150°C junction temperature range, the HFC0310GS-P suits isolated bias and auxiliary supplies in industrial equipment where wide thermal margins are required.

Chargers and Power Adapters

Frequency control and soft start support stable startup behavior in isolated flyback chargers. Comprehensive fault protection including Over Voltage, Over Load, and Short Circuit helps safeguard the supply under abnormal conditions.

Telecom and Networking Bias Rails

Isolated flyback topology provides galvanic isolation for bias rails. The 11V to 20V Vcc supply and UVLO protection ensure reliable turn-on and shutdown sequencing.

Q: What topology does the HFC0310GS-P use?
A: It is a fixed-frequency flyback controller for isolated offline AC-DC power supplies.
Q: Does it have an integrated switch?
A: No, it drives an external power switch.
Q: What is the switching frequency?
A: 600kHz fixed-frequency operation.
Q: What Vcc supply range does it require?
A: 11V to 20V Vcc supply.
Q: What protections are included?
A: Over Load, Over Temperature, Over Voltage, Short Circuit, and UVLO.
Base Product Number : HFC0310GS-P
600kHz 8-SOIC External Switch Fixed Frequency Flyback Controller Isolated Offline AC-DC Over Voltage Protection Short Circuit Protection Soft Start
Q: What topology does the HFC0310GS-P use?
A: It is a fixed-frequency flyback controller for isolated offline AC-DC power supplies.
Q: Does it have an integrated switch?
A: No, it drives an external power switch.
Q: What is the switching frequency?
A: 600kHz fixed-frequency operation.
Q: What Vcc supply range does it require?
A: 11V to 20V Vcc supply.
Q: What protections are included?
A: Over Load, Over Temperature, Over Voltage, Short Circuit, and UVLO.