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Offline Regulators | FSFR1800HS

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

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Overview

The FSFR-HS is a highly integrated power switch designed for high-efficiency half-bridge resonant converters. Offering everything necessary to build a reliable and robust resonant converter, the FSFR-HS simplifies designs while improving productivity and performance. The FSFR-HS combines power MOSFETs, a high-side gate-drive circuit, an accurate current-controlled oscillator, and built-in protection functions.
The high-side gate-drive circuit has a common-mode noise cancellation capability, which provides stable operation with excellent noise immunity. Using zero-voltage-switching (ZVS) technique dramatically reduces the switching losses and significantly improves efficiency. The ZVS also reduces the switching noise noticeably, even though the operating frequency increases. It allows a small Electromagnetic Interference (EMI) filter, besides the high operating frequency, to reduce the volume of the resonant tank and to increase power density.
The FSFR-HS 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)
  • Built-in High-Side Gate Driver IC
  • Internal UniFET鈩 with Fast-Recovery Type Body Diode (trr=160ns Typical)
  • Fixed Dead Time (350ns) Optimized for MOSFETs
  • Operating Frequency Up to 600kHz for Soft-Start
  • Self Auto-Restart Operation for All Protections, Despite External LVCC Bias
  • Line UVLO with Programmable Hysteresis Level
  • Simple On/Off with Line UVLO Pin
  • Easy Configuration and Compatibility with FAN7930 for Line UVLO without External Components
  • Protection Functions: Over-Voltage Protection (OVP), Over-Current Protection (OCP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD)

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FSFR1800HS

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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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FSFR1800HSL

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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: FSFR1800HS

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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