IRF840LCS/LCL
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 ––– ––– 2.0 V TJ = 25°C, IS = 8.0A, VGS = 0V
trr Reverse Recovery Time ––– 490 740 ns TJ = 25°C, IF = 8.0A
Qrr Reverse Recovery Charge ––– 3.0 4.5 µC di/dt = 100A/µs
ton Forward Turn-On Time Intrinsic turn-on time is negligible (turn-on is dominated by LS+LD)
Starting TJ = 25°C, L = 14mH
RG = 25Ω, IAS = 8.0A. (See Figure 12)
Repetitive rating; pulse width limited by
max. junction temperature. (See fig. 11)
Notes:
ISD ≤ 8.0A, di/dt ≤ 100A/µs, VDD ≤ V (BR)DSS,
TJ ≤ 150°C
Pulse width ≤ 300µs; duty cycle ≤ 2%.
Uses IRF840LC data and test conditions
** When mounted on 1" square PCB (FR-4 or G-10 Material).
For recommended soldering techniques refer to application note #AN-994.
S
D
G
Source-Drain Ratings and Characteristics
8.0
28 A
Parameter Min. Typ. Max. Units Conditions
V(BR)DSS Drain-to-Source Breakdown Voltage 500 ––– ––– V VGS = 0V, ID = 250µA
∆V(BR)DSS/∆TJBreakdown Voltage Temp. Coefficient ––– 0.63 ––– V/°C Reference to 25°C, ID = 1mA
RDS(on) Static Drain-to-Source On-Resistance ––– ––– 0.85 ΩVGS = 10V, ID = 4.8A
VGS(th) Gate Threshold Voltage 2.0 ––– 4.0 V VDS = VGS, ID = 250µA
gfs Forward Transconductance 4.0 ––– ––– S VDS = 50V, ID = 4.8A
––– ––– 25 µA VDS = 500V , VGS = 0V
––– ––– 250 VDS = 400V, VGS = 0V, TJ = 125°C
Gate-to-Source Forward Leakage ––– ––– 100 VGS = 20V
Gate-to-Source Reverse Leakage ––– ––– -100 nA VGS = -20V
QgTotal Gate Charge ––– ––– 39 ID = 8.0A
Qgs Gate-to-Source Charge ––– ––– 10 nC VDS = 400V
Qgd Gate-to-Drain ("Miller") Charge ––– ––– 19 VGS = 10V, See Fig. 6 and 13
td(on) Turn-On Delay Time ––– 12 ––– VDD = 250V
trRise Time ––– 25 ––– ID = 8.0A
td(off) Turn-Off Delay Time ––– 27 ––– RG = 9.1Ω
tfFall Time ––– 19 ––– RD = 30Ω, See Fig. 10
Between lead,
––– ––– and center of die contact
Ciss Input Capacitance ––– 1100 ––– VGS = 0V
Coss Output Capacitance ––– 170 ––– pF VDS = 25V
Crss Reverse Transfer Capacitance ––– 18 ––– ƒ = 1.0MHz, See Fig. 5
Electrical Characteristics @ TJ = 25°C (unless otherwise specified)
IGSS
ns
IDSS Drain-to-Source Leakage Current
nH
7.5
LSInternal Source Inductance