NTP52N10G ,N-Channel Enhancement Mode TO-2203R , DRAIN−TO−SOURCE RESISTANCE R , DRAIN−TO−SOURCE RESISTANCE (Ω)I , DRAIN CURRENT (AMPS)DS(on) DS ..
NTP5404N , Power MOSFET 40 V, 136 A, Single N−Channel, D2PAK & TO−220
NTP5404NRG , Power MOSFET 40 V, 136 A, Single N−Channel, D2PAK & TO−220
NTP5860N , N-Channel Power MOSFET
NTP5860NG , N-Channel Power MOSFET
NTP5860NL , N-Channel Power MOSFET
OZ962R , High-Efficiency Inverter Controller
OZ964G , Change Summary
OZ964G , Change Summary
OZ965IR , High-Efficiency Inverter Controller
OZ965IR , High-Efficiency Inverter Controller
OZ990S , Intelligent Manager Smart PMU/GPIO
NTP52N10G
N-Channel Enhancement Mode TO-220
3R , DRAIN−TO−SOURCE RESISTANCE R , DRAIN−TO−SOURCE RESISTANCE (Ω)I , DRAIN CURRENT (AMPS)DS(on) DS(on) D(NORMALIZED)I , LEAKAGE (nA)DSSR , DRAIN−TO−SOURCE RESISTANCE (Ω)DS(on) I , DRAIN CURRENT (AMPS)DNTP52N10POWER MOSFET SWITCHINGSwitching behavior is most easily modeled and predicted The capacitance (C ) is read from the capacitance curve atissby recognizing that the power MOSFET is charge a voltage corresponding to the off−state condition whencontrolled. The lengths of various switching intervals (Δt) calculating t and is read at a voltage corresponding to thed(on)are determined by how fast the FET input capacitance can on−state when calculating t .d(off)be charged by current from the generator. At high switching speeds, parasitic circuit elementscomplicate the analysis. The inductance of the MOSFETThe published capacitance data is difficult to use forsource lead, inside the package and in the circuit wiringcalculating rise and fall because drain−gate capacitancewhich is common to both the drain and gate current paths,varies greatly with applied voltage. Accordingly, gateproduces a voltage at the source which reduces the gate drivecharge data is used. In most cases, a satisfactory estimate ofcurrent. The voltage is determined by Ldi/dt, but since di/dtaverage input current (I ) can be made from aG(AV)is a function of drain current, the mathematical solution isrudimentary analysis of the drive circuit so thatcomplex. The MOSFET output capacitance alsot = Q/IG(AV)complicates the mathematics. And finally, MOSFETs havefinite internal gate resistance which effectively adds to theDuring the rise and fall time interval when switching aresistance of the driving source, but the internal resistanceresistive load, V remains virtually constant at a levelGSknown as the plateau voltage, V . Therefore, rise and fall is difficult to measure and, consequently, is not specified.SGPtimes may be approximated by the following: The resistive switching time variation versus gateresistance (Figure 9) shows how typical switchingt = Q x R /(V − V )r 2 G GG GSPperformance is affected by the parasitic circuit elements. Ift = Q x R /Vf 2 G GSPthe parasitics were not present, the slope of the curves wouldmaintain a value of unity regardless of the switching speed.whereThe circuit used to obtain the data is constructed to minimizeV = the gate drive voltage, which varies from zero to VGG GGcommon inductance in the drain and gate circuit loops andR = the gate drive resistanceGis believed readily achievable with board mountedand Q and V are read from the gate charge curve.2 GSP components. Most power electronic loads are inductive; thedata in the figure is taken with a resistive load, whichDuring the turn−on and turn−off delay times, gate current isapproximates an optimally snubbed inductive load. Powernot constant. The simplest calculation uses appropriateMOSFETs may be safely operated into an inductive load;values from the capacitance curves in a standard equation forhowever, snubbing reduces switching losses.voltage change in an RC network. The equations are:t = R C In [V /(V − V )]d(on) G iss GG GG GSPt = R C In (V /V )d(off) G iss GG GSP6000V = 0 V V = 0 VDS GST = 25°CJ5000Ciss40003000CCrss iss2000Coss1000Crss010 5 051 10 5 20 25V VGS DSGATE−TO−SOURCE OR DRAIN−TO−SOURCE VOLTAGE (VOLTS)Figure 7. Capacitance Variation
