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FSFM300N The FSFM300N from On Semiconductor is an integrated offline switch designed for flyback converters. It operates with a 67kHz switching frequency and is housed in an 8-DIP package.
Mfr Part #:

FSFM300N

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The FSFM300N from On Semiconductor is an integrated offline switch designed for flyback converters. It operates with a 67kHz switching frequency and is housed in an 8-DIP package.
✓ Total Stock: 32,900 pcs
$ Price Range: $0.75

FSFM300N Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
30,000 pcs
On Request
30000 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
2,900 pcs
On Request
2900 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

FSFM300N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Power (Watts)
Supplier Device Package
Topology
Voltage
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FSFM300N Description

Short technical summary and product information.

The FSFM300N is an integrated Pulse Width Modulator (PWM) and SenseFET from On Semiconductor, designed for high-performance offline Switch Mode Power Supplies (SMPS). This device combines a high-voltage power-switching regulator with an avalanche-rugged SenseFET and a current-mode PWM control block.

 

Key electrical specifications include an operating voltage range of 8V to 21V and a switching frequency of 67kHz. It offers a maximum power dissipation of 40W and a duty cycle of 77%. The device integrates several protection features, including Current Limiting, Over Load, Over Temperature, and Over Voltage protection, enhancing system reliability.

 

Designed for flyback converter applications, the FSFM300N is suitable for use in power supplies for LCD TVs, monitors, VCRs, and DVD players. It is mounted via a Through Hole method and comes in an 8-DIP package (0.300", 7.62mm).

 

The operating temperature range for this component is -25°C to 85°C (TA). It features an isolated output and an internal switch, simplifying external component requirements.

FSFM300N Quick Information

Product Type: Offline Switcher
Series: FSFM260N / FSFM261N / FSFM300N
Canonical Name: FSFM300N Green-Mode Fairchild Power Switch (FPS)
Subcategory: Offline Switchers

FSFM300N Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

FSFM300N Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

FSFM300N Features

  • Integrated PWM and SenseFET for SMPS.
  • Designed for flyback converter applications.
  • Features Over Voltage and Over Load protection.
  • Operates at 67kHz switching frequency.
  • Through Hole mounted 8-DIP package.

FSFM300N Applications

  • Power supplies for LCD TVs.
  • Power supplies for monitors.
  • Used in VCR and SVR applications.
  • Suitable for DVD and DVD recorder power supplies.
  • Adapter power supply designs.

FSFM300N FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the FSFM300N?

The operating voltage range is 8V to 21V.

What is the switching frequency of the FSFM300N?

The switching frequency is 67kHz.

What is the maximum power dissipation for the FSFM300N?

The maximum power dissipation is 40W.

What is the operating temperature range for the FSFM300N?

The operating temperature range is -25°C to 85°C (TA).

How is the FSFM300N mounted?

The FSFM300N is mounted using the Through Hole method.

What type of topology does the FSFM300N use?

The FSFM300N uses a Flyback topology.

Does the FSFM300N have an isolated output?

Yes, the FSFM300N has an isolated output.

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