A family of trench MOSFETs from Zetex Semiconductors has been introduced to provide the efficiency, cool running and audio reproduction demanded by Class D output stages. Rated at 70V, and offered in SOT223 and DPAK packages, these N- and P-channel devices ensure reliable, safe operation in higher power audio applications including flat panel TV and 5.1 surround sound systems. The selection will suit single-ended and bridge-tied-load output stages using either complimentary or all N-channel MOSFET configurations. The higher drain-source voltage of the ZXM N/P 7 series MOSFETs offers designers extra headroom, when compared to the alternative 60V parts, which serves to accommodate any significant variation in supply and gate ringing.
Their on-resistances is typically 130mΩ at 10V for the N-channel and 160mΩ at 10V for the P-channel. Turn-off time and gate drain charge for the N- and P-channel devices when operating at 10V, are specified as 17ns / 1.8nC and 35ns / 3.6nC respectively. Maximum drain currents for SOT223 and DPAK packages are 3.8 and 6.1 Amps for N-channel types and 3.7 and 5.7 Amps for P-channel types.
Price information
ZXMN7A11G (N-Channel SOT223): 0.25 USD in 10k quantity
ZXMN7A11K (N-Channel DPAK): 0.27 USD in 10k quantity
ZXMP7A17G (P-Channel SOT223): 0.26 USD in 10k quantity
ZXMP7A17K (P-Channel DPAK): 0.28 USD in 10k quantity
