IRF4905SPBF International Rectifier, IRF4905SPBF Datasheet - Page 8

• Manufacturer Part Number: IRF4905SPBF
• Description: MOSFET P-CH 55V 42A D2PAK
• Manufacturer: International Rectifier
• Series: HEXFET®r

Specifications of IRF4905SPBF

• Fet Type: MOSFET P-Channel, Metal Oxide
• Fet Feature: Standard
• Rds On (max) @ Id, Vgs: 20 mOhm @ 42A, 10V
• Drain To Source Voltage (vdss): 55V
• Current - Continuous Drain (id) @ 25° C: 42A
• Vgs(th) (max) @ Id: 4V @ 250µA
• Gate Charge (qg) @ Vgs: 180nC @ 10V
• Input Capacitance (ciss) @ Vds: 3500pF @ 25V
• Power - Max: 170W
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (2 leads + tab)
• Channel Type: P
• Current, Drain: -70 A
• Gate Charge, Total: 120 nC
• Package Type: D2Pak
• Polarization: P-Channel
• Power Dissipation: 170 W
• Resistance, Drain To Source On: 0.020 Ohm
• Temperature, Operating, Maximum: +150 °C
• Temperature, Operating, Minimum: -55 °C
• Time, Turn-off Delay: 51 ns
• Time, Turn-on Delay: 20 ns
• Transconductance, Forward: 19 S
• Voltage, Breakdown, Drain To Source: -55 V
• Voltage, Drain To Source: –55 V
• Voltage, Forward, Diode: -1.3 V
• Voltage, Gate To Source: ±20 V
• Configuration: Single
• Transistor Polarity: P-Channel
• Resistance Drain-source Rds (on): 20 m Ohms
• Drain-source Breakdown Voltage: - 55 V
• Gate-source Breakdown Voltage: 20 V
• Continuous Drain Current: - 74 A
• Maximum Operating Temperature: + 175 C
• Mounting Style: SMD/SMT
• Fall Time: 96 ns
• Gate Charge Qg: 120 nC
• Minimum Operating Temperature: - 55 C
• Rise Time: 99 ns
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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