MOSFETs Extend Performance For Lighting and SMPS Applications

Sept. 24, 2008
STMicroelectronics’ SuperMESH3 power MOSFETs provide increased ruggedness, switching performance and efficiency for lighting ballasts, where they may be used in the PFC and half-bridge stages, as well as in switching power supplies.

STMicroelectronics' SuperMESH3 power MOSFETs provide increased ruggedness, switching performance and efficiency for lighting ballasts, where they may be used in the PFC and half-bridge stages, as well as in switching power supplies. Based on a strip topology with an optimized vertical structure, the 525-V and 620-V rated MOSFETs provide low on-resistance together with reduced reverse-recovery time, gate charge, and intrinsic capacitance, as well as high dv/dt capability.


Device type: n-channel power MOSFETs
Voltage rating (VDS): 620 V (STx6N62K3 and STx3N62K3) and 525-V (STx7N52K3 and STx6N52K3)
On-resistance (RDSON): 0.98 Ω for the STx7N52K3 in DPAK, D2PAK, TO-220, and TO-220FP packages; 1.2 Ω for the STx6N52K3 in DPAK and TO-220FP packages; 1.28 Ω in DPAK package for STD6N62K3, and 2.5 Ω for the STx3N62K3 in IPAK, DPAK, D2PAK, TO-220 and TO-220FP packages
Gate Charge(QG): 13 nC typ for 2.7-A, 620-V devices; 25.7 nC typ. for 5.5-A, 620-V devices
Current Rating (ID): 2.7 A or 5.5 A at 620 V, 5 A or 6.3 A at 525 V
Features: 100% avalanche tested, zener protection, high dv/dt capability
Operating temperature range (max TJ): 150°C
Packaging: IPAK, DPAK, TO-220, and TO-220FP packages
RoHS compliant? yes
Target Applications: PFC and half-bridge sections of lighting ballasts and in switching power supplies for desktop PCs, battery chargers, and LCD TVs
Pricing: from $0.62 each in quantities of 1000
Availability: in volume production by Q4 2008
Datasheets posted on web? yes, for preliminary data sheets see www.st.com/stonline/stappl/productcatalog/app?path=/comp/stcom/PcStComOnLineQuery.showresult&querytype=type=product$$view=table&querycriteria=XJE010=*k3$$RNP139=1167.0 .Also, see www.st.com/stonline/products/families/transistors/power_mosfets/related_info/supermesh3.htm#rel_info for more information.

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