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The FDS6984AS is designed to replace two single SO-8 MOSFETs and Schottky diode in synchronous DC:DC power supplies that provide various peripheral voltages for notebook computers and other battery powered electronic devices. FDS6984AS contains two unique 30V, N-channel, logic level, PowerTrench MOSFETs designed to maximize power conversion efficiency.
The high-side switch (Q1) is designed with specific emphasis on reducing switching losses while the low- side switch (Q2) is optimized to reduce conduction losses. Q2 also includes a patented combination of a MOSFET monolithically integrated with a Schottky diode.
FDS6984AS Maximum Ratings
Symbol
Parameter
Q2
Q1
Units
VDSS
Drain-Source Voltage
30
30
V
VGSS
Gate-Source Voltage
±20
±16
V
ID
Drain Current - Continuous (Note 1a) - Pulsed
8.5
5.5
A
30
20
PD
Power Dissipation for Dual Operation
2
W
Power Dissipation for Single Operation (Note 1a) (Note 1b) (Note 1c)