IRLR3705Z International Rectifier, IRLR3705Z Datasheet - Page 8

• Manufacturer Part Number: IRLR3705Z
• Description: MOSFET N-CH 55V 42A DPAK
• Manufacturer: International Rectifier
• Series: HEXFET®r

Specifications of IRLR3705Z

• Fet Type: MOSFET N-Channel, Metal Oxide
• Fet Feature: Logic Level Gate
• Rds On (max) @ Id, Vgs: 8 mOhm @ 42A, 10V
• Drain To Source Voltage (vdss): 55V
• Current - Continuous Drain (id) @ 25° C: 42A
• Vgs(th) (max) @ Id: 3V @ 250µA
• Gate Charge (qg) @ Vgs: 66nC @ 5V
• Input Capacitance (ciss) @ Vds: 2900pF @ 25V
• Power - Max: 130W
• Mounting Type: Surface Mount
• Package / Case: DPak, TO-252 (2 leads+tab), SC-63
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *IRLR3705Z

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8
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+
-
D.U.T
Fig 17.
ƒ
+
-
•
•
•
•
SD
•
•
•
Fig 18b. Switching Time Waveforms
Fig 18a. Switching Time Test Circuit
V
90%
10%
V
DS
GS
-
„
G
HEXFET
t
d(on)
+
t
r
®
≤ 0.1 %
≤ 1
+
Power MOSFETs
-
Re-Applied
Voltage
Reverse
Recovery
Current
t
d(off)
Driver Gate Drive
D.U.T. I
D.U.T. V
Inductor Curent
P.W.
t
f
SD
DS
Waveform
Waveform
Ripple ≤ 5%
for N-Channel
Body Diode
+
-
Period
Body Diode Forward
Diode Recovery
Current
dv/dt
Forward Drop
di/dt
D =
www.irf.com
Period
P.W.
V
V
I
SD
GS
DD
=10V