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FSL4110LRLX The FSL4110LRLX from On Semiconductor is an integrated offline switch designed for high input voltage SMPS. It features a 1000V SenseFET and operates at a fixed frequency of 50kHz.
Mfr Part #:

FSL4110LRLX

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The FSL4110LRLX from On Semiconductor is an integrated offline switch designed for high input voltage SMPS. It features a 1000V SenseFET and operates at a fixed frequency of 50kHz.
✓ Total Stock: 2,824 pcs
$ Price Range: $0.75

FSL4110LRLX Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
1,834 pcs
On Request
1834 pcs On Request 1 On Request On Request On Request On Request On Request
Flip Electronics ✓
Non-Authorised Inventory information
990 pcs
On Request
990 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.

FSL4110LRLX Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Lead Style
Mounting Type
Operating Temperature
Output Isolation
Power (Watts)
Supplier Device Package
Supplier Package
Topology
Voltage
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FSL4110LRLX Description

Short technical summary and product information.

The FSL4110LRLX is an integrated pulse width modulation (PWM) controller and 1000 V avalanche rugged SenseFET from On Semiconductor, designed for high input voltage offline Switching Mode Power Supplies (SMPS) with minimal external components.

 

This device integrates a PWM controller with a fixed-frequency oscillator operating at 50 kHz. It includes features such as Under-Voltage Lockout (UVLO), Leading-Edge Blanking (LEB), an optimized gate driver, soft-start, and various protection circuits including Overload Protection (OLP), Over-Voltage Protection (OVP), Abnormal Over-Current Protection (AOCP), and Internal Thermal Shutdown (TSD).

 

The FSL4110LRLX is suitable for applications like SMPS for Electric Metering and Auxiliary Power Supply for 3-Phase Input Industrial Systems. It is available in a 7-LSOP package, surface mounted, and operates within a temperature range of -40°C to 125°C (TJ).

 

Compared to discrete solutions, this integrated power switch reduces component count, PCB size, and weight, while increasing efficiency and system reliability. It provides a basic platform for cost-effective flyback converter designs.

FSL4110LRLX Quick Information

Product Type: Integrated Power Switch
Canonical Name: FSL4110LRLX Integrated Power Switch
Subcategory: AC DC Converters

FSL4110LRLX Compliance

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

FSL4110LRLX Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

FSL4110LRLX Features

  • Integrated 1000V avalanche rugged SenseFET.
  • Fixed operating frequency of 50 kHz.
  • Supports 8V to 27V input voltage.
  • Includes multiple fault protection functions.
  • Available in a 7-LSOP package.

FSL4110LRLX Applications

  • Designed for offline SMPS.
  • Suitable for electric metering.
  • Used in industrial auxiliary power.
  • Cost-effective flyback converter designs.

FSL4110LRLX FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the FSL4110LRLX?

The operating voltage range is 8 V to 27 V.

What is the operating temperature range of the FSL4110LRLX?

The operating junction temperature range is -40°C to 125°C.

What package does the FSL4110LRLX come in?

It comes in an 8-SMD (7 Leads) Gull Wing package, also known as a 7-LSOP.

What is the switching frequency of the FSL4110LRLX?

The switching frequency is fixed at 50 kHz.

What type of topology does the FSL4110LRLX use?

It uses a flyback topology with isolated output.

What fault protections are included in the FSL4110LRLX?

It includes current limiting, overload, over-temperature, and over-voltage protection.

Does the FSL4110LRLX have an internal switch?

Yes, it has an internal switch, specifically a 1000 V avalanche rugged SenseFET.

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