IRF7309
www.irf.com 1
04/06/07
PD - 9.1243C
IRF7309
2www.irf.com
nA
IRF7309
www.irf.com 3
IRF7309
4www.irf.com
IRF7309
www.irf.com 5
IRF7309
6www.irf.com
IRF7309
www.irf.com 7
IRF7309
8www.irf.com
IRF7309
www.irf.com 9
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
+
-
+
+
+
-
-
-
• dv/dt controlled by RG
• ISD controlled by Duty Factor "D"
• D.U.T. - Device Under Test
Circuit Layout Considerations
• Low Stray Inductance
• Ground Plane
• Low Leakage Inductance
Current Transformer
* Reverse Polarity for P-Channel
** Use P-Channel Driver for P-Channel Measurements
Peak Diode Recovery dv/dt Test Circuit
*** VGS = 5.0V for Logic Level and 3V Drive Devices
Fig 24. For N and P Channel HEXFETS
IRF7309
10 www.irf.com
SO-8 Package Details
SO-8 Part Marking
H
'
(
\
E
$
$
+
.
/




%$6,&























%$6,&








0,1 0$;
0,//,0(7(56,1&+(6
0,1 0$;
',0

H
F    
%$6,& %$6,&


' %
(
$
H
;
+
>@ $
.[
;/ ;F
\
>@ & $ %
H $
$
;E
&
>@

)22735,17
;>@
>@
;>@
287/,1(&21)250672-('(&287/,1(06$$
127(6
',0(16,21,1*72/(5$1&,1*3(5$60(<0
&21752//,1*',0(16,210,//,0(7(5
',0(16,216$5(6+2:1,10,//,0(7(56>,1&+(6@
',0(16,21'2(6127,1&/8'(02/'3527586,216
',0(16,21'2(6127,1&/8'(02/'3527586,216
02/'3527586,21612772(;&(('>@
',0(16,21,67+(/(1*7+2)/($')2562/'(5,1*72
$68%675$7(
02/'3527586,21612772(;&(('>@
;>@
'$7(&2'(<::
;;;;
,17(51$7,21$/
5(&7,),(5
/2*2
)
< /$67',*,72)7+(<($5
3$57180%(5
/27&2'(
:::((.
(;$03/(7+,6,6$1,5)026)(7
3 '(6,*1$7(6/($')5((
352'8&7237,21$/
$ $66(0%/<6,7(&2'(
Dimensions are shown in milimeters (inches)
IRF7309
www.irf.com 11
Data and specifications subject to change without notice.
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.04/2007
330.00
(12.992)
MAX.
14.40 ( .566 )
12.40 ( .488 )
NOTES :
1. CONTROLLING DIMENSION : MILLIMETER.
2. OUTLINE CONFORMS TO EIA-481 & EIA-541.
FEED DIRECTION
TERMINAL NUMBER 1
12.3 ( .484 )
11.7 ( .461 )
8.1 ( .318 )
7.9 ( .312 )
NOTES:
1. CONTROLLING DIMENSION : MILLIMETER.
2. ALL DIMENSIONS ARE SHOWN IN MILLIMETERS(INCHES).
3. OUTLINE CONFORMS TO EIA-481 & EIA-541.
SO-8 Tape and Reel