DATA SHEET www.onsemi.com Power Switch for Half-Bridge Resonant Converters SIP9 26x10.5 FSFR-XS Series CASE 127EM Description 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 FSFRXS series combines power MOSFETs with fast recovery type body diodes, a high side SIP9 26x10.5 gatedrive circuit, an accurate current controlled oscillator, frequency CASE 127EN limit circuit, soft start, and built in protection functions. The highside gatedrive circuit has commonmode noise cancellation capability, which guarantees stable operation with excellent noise MARKING DIAGRAM immunity. The fastrecovery body diode of the MOSFETs improves reliability against abnormal operation conditions, while minimizing the effect of reverse recovery. Using the zerovoltageswitching Y&Z &3&K (ZVS) technique dramatically reduces the switching losses and XXXXXXXXXX significantly improves efficiency. The ZVS also reduces the switching noise noticeably, which allows a small sized Electromagnetic Interference (EMI) filter. Y = onsemi Logo The FSFR XS series can be applied to resonant converter &Z = Assembly Plant Code topologies such as series resonant, parallel resonant, and LLC resonant &3 = 3Digit Date Code converters. &K = 2Digits Lot Run Traceability Code XXXXXXXXXX= Device Code Features Variable Frequency Control with 50% Duty Cycle for HalfBridge Resonant Converter Topology ORDERING INFORMATION High Efficiency through Zero Voltage Switching (ZVS) See detailed ordering and shipping information on page 2 of Internal UniFET with FastRecovery Body Diode this data sheet. Fixed Dead Time (350 ns) Optimized for MOSFETs Up to 300 kHz Operating Frequency AutoRestart Operation for All Protections with External LV CC Protection Functions: OverVoltage Protection (OVP), OverCurrent Protection (OCP), Abnormal OverCurrent Protection (AOCP), Internal Thermal Shutdown (TSD) Applications PDP and LCD TVs Desktop PCs and Servers Adapters Telecom Power Supplies Related Resources AN4151 HalfBridge LLC Resonant Converter Design Using FSFRSeries Power Switch Semiconductor Components Industries, LLC, 2010 1 Publication Order Number: January, 2022 Rev. 2 FSFR2100XS/DFSFRXS Series ORDERING INFORMATION Operating Maximum Output Power Maximum Output Junction without Heatsink Power with Heatsink Temperature (V = 350~400 V) (Note 1, 2) (V = 350~400 V) (Note 1, 2) Part Number Package R DS(ON MAX) IN IN FSFR2100XS 9SIP 40 to +130C 0.51 180 W 400 W FSFR1800XS 120 W 260 W 0.95 FSFR1700XS 1.25 100 W 200 W FSFR1600XS 1.55 80 W 160 W FSFR2100XSL 9SIP 180 W 400 W 0.51 LForming FSFR1800XSL 0.95 120 W 260 W FSFR1700XSL 1.25 100 W 200 W FSFR1600XSL 1.55 80 W 160 W 1. The junction temperature can limit the maximum output power. 2. Maximum practical continuous power in an openframe design at 50C ambient. APPLICATION CIRCUIT DIAGRAM Cr V IN V CC V O LV V CC DL HV CC R MIN R T R MAX R SS V CTR AR C SS CS SG PG Figure 1. Typical Application Circuit (LLC Resonant Half Bridge Converter) www.onsemi.com 2 FSFRXS Series