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
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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