irf4905.pdf

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1000
VGS
TOP - 15V
- 10V
- 8.0V
- 7.0V
- 6.0V
- 5.5V
- 5.0V
BOTTOM - 4. 5V
1000
VGS
TOP - 15V
- 10V
- 8.0V
- 7.0V
- 6.0V
- 5.5V
- 5.0V
BOTTOM - 4.5V
100
100
10
-4.5V
10
-4.5V
1
20µs PULSE WIDTH
T = 25°C
A
1
20µs PULSE WIDTH
T = 175°C
A
0.1
1
10
100
0.1
1
10
100
-V , Drain-to-Source Voltage (V)
DS
-V , Drain-to-Source Voltage (V)
!
!
1000
2.0
I = -64A
D
T = 25°C
J
1.5
100
T = 175°C
J
1.0
10
0.5
V = -25V
20µs PULSE WIDTH
V = -10V
GS
1
0.0
A
A
4
5
6
7
8
9
10
-60 -40 -20 0 20 40 60 80 100 120 140 160 180
T , Junction Temperature (°C)
-V , Gate-to-Source Voltage (V)
GS
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c
C
DS
DS
519853001.003.png 519853001.004.png
7000
V = 0V, f = 1MHz
C = C + C , C SHORTED
C = C
C = C + C
20
I = -38A
GS
iss gs gd ds
rss gd
oss ds gd
D
6000
V = -44V
V = -28V
DS
DS
16
5000
C iss
4000
12
C oss
3000
8
2000
C rss
4
1000
0
A
0
FOR TEST CIRCUIT
SEE FIGURE 13
A
1
10
100
0
40
80
120
160
200
-V , Drain-to-Source Voltage (V)
DS
Q , Total Gate Charge (nC)
G
%&
( !&
(%&
1000
1000
OPERATION IN THIS AREA LIMITED
BY R DS(on)
100
100
T = 175°C
J
100µs
T = 25°C
J
1ms
10
10
10ms
T = 25°C
T = 175°C
Single Pulse
C
J
1
V = 0V
GS
A
1
A
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
1
10
100
-V , Source-to-Drain Voltage (V)
SD
-V , Drain-to-Source Voltage (V)
DS
%
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80
5
60
5
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-
40
≤ 1
!
≤ 0.1 %
%*!&
20
t d(on) t r
t d(off) t f
V GS
0
25
50
75
100
125
150
175
10%
T , Case Temperature ( C)
C
°
90%
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1
D = 0.50
0.20
0.1
0.10
0.05
P
DM
1
0.02
SINGLE PULSE
(THERMAL RESPONSE)
t
2
0.01
Notes:
1. Duty factor D = t / t
2. Peak T = P
1 2
J
DM
x Z
thJC
+ T
C
0.01
0.00001
0.0001
0.001
0.01
0.1
1
t , Rectangular Pulse Duration (sec)
1
#$-"",!./0
t
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