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LR7843 Datasheet(PDF) 6 Page - International Rectifier

Part # LR7843
Description  Simple Drive Requirements
PDF  11 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

LR7843 Datasheet(HTML) 6 Page - International Rectifier

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IRLR/U7843PbF
6
www.irf.com
D.U.T.
VDS
ID
IG
3mA
VGS
.3
µF
50K
Ω
.2
µF
12V
Current Regulator
Same Type as D.U.T.
Current Sampling Resistors
+
-
Fig 13. Gate Charge Test Circuit
Fig 12b. Unclamped Inductive Waveforms
Fig 12a. Unclamped Inductive Test Circuit
tp
V(BR)DSS
IAS
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
RG
IAS
0.01
Ω
tp
D.U.T
L
VDS
+
- VDD
DRIVER
A
15V
20V
VGS
25
50
75
100
125
150
175
Starting TJ, Junction Temperature (°C)
0
1000
2000
3000
4000
5000
6000
I D
TOP
8.6A
9.6A
BOTTOM
12A
Fig 14a. Switching Time Test Circuit
Fig 14b. 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
+
-



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