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IRFB4019PBF Datasheet(PDF) 6 Page - International Rectifier

Part No. IRFB4019PBF
Description  DIGITAL AUDIO MOSFET
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
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IRFB4019PBF Datasheet(HTML) 6 Page - International Rectifier

   
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IRFB4019PbF
6
www.irf.com
Fig 18a. Switching Time Test Circuit
Fig 18b. Switching Time Waveforms
V
GS
V
DS
90%
10%
t
d(on)
t
d(off)
t
r
t
f
V
GS
Pulse Width < 1µs
Duty Factor < 0.1%
V
DD
V
DS
L
D
D.U.T
+
-
Fig 17b. Unclamped Inductive Waveforms
Fig 17a. Unclamped Inductive Test Circuit
tp
V(BR)DSS
IAS
RG
IAS
0.01
tp
D.U.T
L
VDS
+
- VDD
DRIVER
A
15V
20V
VGS
Fig 19a. Gate Charge Test Circuit
Fig 19b Gate Charge Waveform
Vds
Vgs
Id
Vgs(th)
Qgs1 Qgs2
Qgd
Qgodr
Fig 16.
Diode Reverse Recovery Test Circuit for HEXFET® Power MOSFETs
Circuit Layout Considerations
• Low Stray Inductance
• Ground Plane
• Low Leakage Inductance
Current Transformer
P.W.
Period
di/dt
Diode Recovery
dv/dt
Ripple
≤ 5%
Body Diode
Forward Drop
Re-Applied
Voltage
Reverse
Recovery
Current
Body Diode Forward
Current
VGS=10V
VDD
ISD
Driver Gate Drive
D.U.T. ISD Waveform
D.U.T. VDS Waveform
Inductor Curent
D =
P.W.
Period
*** VGS = 5V for Logic Level Devices
***
+
-
+
+
+
-
-
-
ƒ
„
‚
RG
VDD
• dv/dt controlled by RG
• Driver same type as D.U.T.
• ISD controlled by Duty Factor "D"
• D.U.T. - Device Under Test
D.U.T

**
*
* Use P-Channel Driver for P-Channel Measurements
** Reverse Polarity for P-Channel
D.U.T.
VDS
ID
IG
3mA
VGS
.3
µF
50K
.2
µF
12V
Current Regulator
Same Type as D.U.T.
Current Sampling Resistors
+
-


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