what is drain current in saturation mode?(2n7000) SYMBOL VALUE 60 02 0.5 ±40 400
ID: 2292760 • Letter: W
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what is drain current in saturation mode?(2n7000)
SYMBOL VALUE 60 02 0.5 ±40 400 55 to +150 PARAMETER UNIT Collector-Emiter Voltage Continuous Drain Current Pulsed Drain Current Gate Source Vootage Power Dissipation at Ta25°C Operating and Storage Temperature Range mw TT "C ELECTRICAL CHARACTERISTICS (at Tamb 25C uniess otherwise stated) PARAMETER SYMBOL MIN MAX UNIT CONDITIONS Drain-Source Breakdown BVpss 60 Voltage Gate Source Threshold Voltage Vosm Gate-Body Leakage Zero Gate Voltage Drain Current lpss 0 10 nAVot 15V, Vos-ov On-State Drain Current(1) ller. Static Drain-Source On-StateVoo L 75-i 25 V V10Vl-500mA Voltage (1) Static Drain-Source On-State Rosion Resistance (1) f orward Transconductance(1X2) 9 Input Capacitance (2) Common Source Output Capacitance (2) Reverse Transfer Capacitance (2) C™ Turn-On Time (2X3) Turn-Off Time 12x3) 100 mS Vos=lov.fo.200mA , 60 pf 10 ns Vpo-15V 500mA 10 ns Re-25O RL 250 Measured under pulsed conditions width:00-s Duty cycle d% (2) Sample test. 3) Switching times measured with 50) source impedance and 5n s rise time on a pulse generator 3-12Explanation / Answer
Drain current of MOSFET 2N?7000 is not a constant. It varies if the gate to source voltage (Vgs) changes. If the value of Vgs greater than threshold voltage MOSFET starrts conduct and its the minimum value of drain current. It remains in saturation region if Vds(on)>Vgs. Vgs= Vds(on) is the end of saturation region.
?From given datasheet, it can seen that minimum drain current Id is 1 mA and maximum is 500 mA.
?The typical on state drain current at Vgs= 4.5 V, Vds=10 is 75mA as given in the datasheet.
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