
IRFR/U9024NPbF
Peak Diode Recovery dv/dt Test Circuit
+
Circuit Layout Considerations
• Low Stray Inductance
• Ground Plane
• Low Leakage Inductance
Current Transformer
-
+
-
-
• dv/dt controlled by R
• ISD controlled by Duty Factor "D"
• D.U.T. - Device Under Test
* Reverse Polarity for P-Channel
** Use P-Channel Driver for P-Channel Measurements
Driver Gate Drive
P.W.
Period
D =
+
G
P.W.
Period
VGS=10V
D.U.T. ISDWaveform
Reverse
Recovery
Current
e-Applied
oltage
D.U.T. VDSWaveform
Inductor Curent
*** V
= 5.0V for Logic Level and 3V Drive Devices
GS
Body Diode Forward
Current
di/dt
Diode Recovery
dv/dt
Body Diode Forward Drop
Ripple ≤ 5%
V
DD
I
SD
Fig 14 For P Channel HEXFETS
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IRFR/U9024NPbF
D-Pak (TO-252AA) Package Outline
Dimensions are shown in millimeters (inches)
D-Pak (TO-252AA) Part Marking Information
EXAMPLE:
Note: "P" in assembly line position
8 www.irf.com
THIS IS AN IRFR120
WIT H ASS E MB L Y
LOT COD E 1234
ASSEMBLED ON WW 16, 1999
IN THE ASSEMBLY LINE "A"
indicates "Lead-Free"
OR
INTERNAT IONAL
RECTIFIER
LOGO
ASS EMBL Y
LOT CODE
INTE RNATIONAL
RECTIFIER
LOGO
ASS EMBL Y
LOT CODE
IRF U120
12 34
PART NUMBER
IRFU1 20
916A
12
34
PART NUMBER
DATE CODE
P = DES IGNAT E S LEAD-F RE E
PRODUCT (OPTIONAL)
YEAR 9 = 1999
WEEK 16
A = ASS EMB L Y S IT E CODE
DATE CODE
YEAR 9 = 199
WEE K 16
LINE A

I-Pak (TO-251AA) Package Outline
Dimensions are shown in millimeters (inches)
IRFR/U9024NPbF
I-Pak (TO-251AA) Part Marking Information
919A
PART NUMBER
DATE CODE
YEAR 9 = 199
78
WEEK 19
LINE A
EXAMPLE:
THIS IS AN IRFU120
WITH ASS E MB L Y
LOT CODE 5678
AS S E MB L E D ON WW 19 , 1999
IN THE ASSEM B LY LIN E "A "
Note: "P" in assembly line
positi on indicates "L ead-F ree"
INTERNATIONAL
RECTIFIER
LOGO
AS S EMBL Y
LOT CODE
IRFU120
56
OR
INTERNATIONAL
RECTIFIER
LOGO
ASS E MB LY
LOT CODE
IRFU120
56 78
www.irf.com 9
PART NUMBER
DATE CODE
P = DESIGNATES LEAD-FREE
PRODUCT (OPTIONAL)
YEAR 9 = 1999
WE E K 19
A = ASSEMBLY SITE CODE

IRFR/U9024NPbF
D-Pak (TO-252AA) Tape & Reel Information
Dimensions are shown in millimeters (inches)
TR
16.3 ( .641 )
15.7 ( .619 )
12.1 ( .476 )
11.9 ( .469 )
OTES :
. CONTROLLING DIMENSION : MILLIMETER.
. ALL DIMENSIONS ARE SHOWN IN MILLIME TERS ( INCHES ).
. OUTLINE CONFORMS TO EIA-481 & EIA-541.
13 INCH
FEED DIRECTION
8.1 ( .318 )
7.9 ( .312 )
TRR
TRL
16.3 ( .641
15.7 ( .619
FEED DIRECTION
NOTES :
1. OUTLINE CONFORMS TO EIA-481.
Data and specifications subject to change without notice.
16 mm
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7903
Visit us at www.irf.com for sales contact information.12/04
10 www.irf.com

Note: For the most current drawings please refer to the IR website at:
http://www.irf.com/package/