IRF634N/S/LPbF
2www.irf.com
Parameter Min. Typ. Max. Units Conditions
ISContinuous Source Current MOSFET symbol
(Body Diode) ––– ––– showing the
ISM Pulsed Source Current integral reverse
(Body Diode)––– ––– p-n junction diode.
VSD Diode Forward Voltage ––– ––– 1.3 V TJ = 25°C, IS = 4.8A, VGS = 0V
trr Reverse Recovery Time ––– 130 200 ns TJ = 25°C, IF = 4.8A
Qrr Reverse Recovery Charge ––– 650 980 nC di/dt = 100A/µs
ton Forward Turn-On Time Intrinsic turn-on time is negligible (turn-on is dominated by LS+LD)
Source-Drain Ratings and Characteristics
8.0
32
A
Parameter Min. Typ. Max. Units Conditions
V(BR)DSS Drain-to-Source Breakdown Voltage 250 ––– – –– V VGS = 0V, ID = 250µA
∆V(BR)DSS/∆TJBreakdown Voltage Temp. Coefficient ––– 0.33 ––– V/°C Reference to 25°C, ID = 1mA
RDS(on) Static Drain-to-Source On-Resistance ––– ––– 0.435 ΩVGS = 10V, ID = 4.8A
VGS(th) Gate Threshold Voltage 2.0 ––– 4.0 V VDS = VGS, ID = 250µA
gfs Forward Transconductance 5.4 ––– ––– S VDS = 50V, ID = 4.8A
––– ––– 25 µA VDS = 250V, VGS = 0V
––– ––– 250 VDS = 200V, VGS = 0V, TJ = 150°C
Gate-to-Source Forward Leakage ––– ––– 100 VGS = 20V
Gate-to-Source Reverse Leakage ––– ––– -100 nA VGS = -20V
QgTotal Gate Charge ––– – – – 34 ID = 4.8A
Qgs Gate-to-Source Charge ––– ––– 6. 5 nC VDS = 200V
Qgd Gate-to-Drain ("Miller") Charge ––– ––– 16 VGS = 10V, See Fig. 6 and 13
td(on) Turn-On Delay Time ––– 8.4 ––– VDD = 125V
trRise Time ––– 16 ––– ID = 4.8A
td(off) Turn-Off Delay Time ––– 28 –– – RG = 1.3Ω
tfFall Time ––– 15 ––– VGS = 10V, See Fig. 10
Between lead,
––– ––– 6mm (0.25in.)
from package
and center of die contact
Ciss Input Capacitance ––– 620 ––– VGS = 0V
Coss Output Capacitance ––– 84 ––– VDS = 25V
Crss Reverse Transfer Capacitance ––– 23 ––– pF ƒ = 1.0MHz, See Fig. 5
nH
Electrical Characteristics @ TJ = 25°C (unless otherwise specified)
LDInternal Drain Inductance
LSInternal Source Inductance ––– –––
G
IGSS
ns
4.5
7.5
IDSS Drain-to-Source Leakage Current
Thermal Resistance Parameter Typ. Max. Units
RθJC Junction-to-Case ––– 1.7
RθCS Case-to-Sink, Flat, Greased Surface 0.50 ––– °C/W
RθJA Junction-to-Ambient––– 62
RθJA Junction-to-Ambient (PCB mount)––– 40