PD- 91901B
SMPS MOSFET
IRF840AS IRF840AL
HEXFET® Power MOSFET
Applications Switch Mode Power Supply (SMPS) l Uninterr...
PD- 91901B
SMPS MOSFET
IRF840AS IRF840AL
HEXFET® Power MOSFET
Applications Switch Mode Power Supply (SMPS) l Uninterruptible Power Supply l High Speed Power Switching
l
VDSS
500V
RDS(on) max
0.85Ω
ID
8.0A
Benefits Low Gate Charge Qg Results in Simple Drive Requirement l Improved Gate, Avalanche and Dynamic dv/dt Ruggedness l Fully Characterized Capacitance and Avalanche Voltage and Current l Effective Coss Specified (See AN 1001)
l
D2Pak IRF840AS
TO-262 IRF840AL
Absolute Maximum Ratings
Parameter
ID @ TC = 25°C ID @ TC = 100°C IDM PD @TC = 25°C PD @TA = 25°C VGS dv/dt TJ TSTG Continuous Drain Current, VGS @ 10V Continuous Drain Current, VGS @ 10V Pulsed Drain Current Power Dissipation Power Dissipation Linear Derating Factor Gate-to-Source Voltage Peak Diode Recovery dv/dt Operating Junction and Storage Temperature Range Soldering Temperature, for 10 seconds
Max.
8.0 5.1 32 125 3.1 1.0 ± 30 5.0 -55 to + 150 300 (1.6mm from case )
Units
A W W/°C V V/ns °C
Typical SMPS Topologies
l l l
Two
Transistor Forward Haft Bridge Full Bridge
through are on page 10
Notes
www.irf.com
1
12/16/99
IRF840AS/L
Static @ TJ = 25°C (unless otherwise specified)
V(BR)DSS
∆V(BR)DSS/∆TJ
RDS(on) VGS(th) IDSS IGSS
Parameter Drain-to-Source Breakdown Voltage Breakdown Voltage Temp. Coefficient Static Drain-to-Source On-Resistance Gate Threshold Voltage Drain-to-Source Leakage Current Gate-to-Source Forward Leakage Gate-to-Source Reverse Leakage Parameter Forward Transcondu...