FSFR2100XSL The FSFR2100XSL from ON Semiconductor is a highly integrated power switch designed for high-efficiency half-bridge resonant converters. It offers features like 400W power output and a 300kHz operating frequency.
Mfr Part #:

FSFR2100XSL

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The FSFR2100XSL from ON Semiconductor is a highly integrated power switch designed for high-efficiency half-bridge resonant converters. It offers features like 400W power output and a 300kHz operating frequency.
✓ Total Stock: 7,779 pcs
$ Price Range: $0.75

FSFR2100XSL Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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7,779 pcs
7779 pcs On Request 1 On Request On Request On Request On Request On Request

FSFR2100XSL Specifications Quick View

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

FSFR2100XSL Description

Short technical summary and product information.

The FSFR2100XSL is a power switch IC from ON Semiconductor, specifically designed for half-bridge resonant converter topologies. It integrates essential components for building reliable and efficient converters, including power MOSFETs with fast-recovery body diodes, a high-side gate-drive circuit, and protection functions like Over-Voltage Protection (OVP) and Over-Current Protection (OCP).

 

This device operates with variable frequency control and a 50% duty cycle, enabling high efficiency through Zero Voltage Switching (ZVS). It supports operating frequencies up to 300 kHz and can deliver up to 400 W of power. The integrated protection features ensure robust operation under abnormal conditions.

 

The FSFR2100XSL is housed in a 9-SIP (L forming) package and is designed for Through Hole mounting. Its operating temperature range is -40°C to 130°C (TJ). Applications include PDP and LCD TVs, desktop PCs, servers, adapters, and telecom power supplies.

 

Key specifications include an operating voltage range of 10V to 25V, a maximum power output of 400W, and a fixed dead time of 350 ns optimized for MOSFETs. The device also features auto-restart operation for all protections with external LVCC.

FSFR2100XSL Quick Information

Product Type: AC DC Converter, Offline Switch
Series: FSFR-XS Series
Canonical Name: FSFR2100XSL Power Switch for Half-Bridge Resonant Converters
Subcategory: Half-Bridge Resonant Converters

FSFR2100XSL Compliance

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

FSFR2100XSL Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

FSFR2100XSL Features

  • Highly integrated power switch for resonant converters.
  • High efficiency via Zero Voltage Switching (ZVS).
  • Supports up to 300 kHz operating frequency.
  • Includes Over-Voltage and Over-Current protection.
  • 9-SIP package for through-hole mounting.

FSFR2100XSL Applications

  • Ideal for half-bridge resonant converters.
  • Used in PDP and LCD TV power supplies.
  • Suitable for desktop PC and server power.
  • Applicable to adapter power supplies.
  • Designed for telecom power supplies.

FSFR2100XSL FAQs

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

10V to 25V.

What is the maximum switching frequency?

Up to 300 kHz.

What is the maximum output power?

400W with heatsink.

What is the operating temperature range?

-40°C to 130°C (junction temperature).

What package is available?

9-SIP (L forming) through-hole package.

What fault protection features are included?

Current limiting, over temperature, and over voltage protection.

What topology does this IC use?

Half-bridge resonant converter topology.

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