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Offline Regulators | FSFR1800XS

Integrated Power Switch (FPS鈩�) for 260W Half-Bridge Resonant Converter

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Overview

The FSFR-XS series includes highly integrated power switches designed for high-efficiency half-bridge resonant converters. Offering everything necessary to build a reliable and robust resonant converter, the FSFR-XS series simplifies designs while improving productivity and performance. The FSFR-XS series combines power MOSFETs with fast-recovery type body diodes, a high-side gate-drive circuit, an accurate current controlled oscillator, frequency limit circuit, soft-start, and built-in protection functions. The high-side gate-drive circuit has common-mode noise cancellation capability, which guarantees stable operation with excellent noise immunity. The fast-recovery body diode of the MOSFETs improves reliability against abnormal operation conditions, while minimizing the effect of reverse recovery. Using the zero-voltage-switching (ZVS) technique dramatically reduces the switching losses and significantly improves efficiency. The ZVS also reduces the switching noise noticeably, which allows a small-sized Electromagnetic Interference (EMI) filter.
The FSFR-XS series can be applied to resonant converter topologies such as series resonant, parallel resonant, and LLC resonant converters.

  • PDP TV
  • LCD TV
  • Desktop PC
  • Server
  • Video Game Console

  • Variable Frequency Control with 50% Duty Cycle for Half-Bridge Resonant Converter Topology
  • High Efficiency through Zero Voltage Switching (ZVS)
  • Internal UniFET鈩 with Fast-Recovery Body Diode
  • Fixed Dead Time (350ns) Optimized for MOSFETs
  • Up to 300kHz Operating Frequency
  • Auto-Restart Operation for All Protections with An External LVCC
  • Protection Functions: Over-Voltage Protection (OVP), Over-Current Protection (OCP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD)

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FSFR1800XS

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Last Shipments

CAD Model

Pb

A

H

P

SIP-9

127EM

NA

0

TUBE

475

N

Voltage Mode

Resonant

-

-

-

500

-

-

-

-

-

-

-

-

Price N/A

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FSFR1800XSL

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Obsolete

CAD Model

Pb

A

H

P

SIP-9

127EN

NA

0

TUBE

380

N

Voltage Mode

Resonant

-

-

-

500

-

-

-

-

-

-

-

-

Price N/A

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Reliability Data

Die Related Summary Data

Device: FSFR1800XS

Equivalent to wafer fab process: 3C,40

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

3C,40

0

193707976

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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