參數(shù)資料
型號: NDS9945
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: JFETs
英文描述: Dual N-Channel Enhancement Mode Field Effect Transistor
中文描述: 3.5 A, 60 V, 0.1 ohm, 2 CHANNEL, N-CHANNEL, Si, POWER, MOSFET
封裝: SOIC-8
文件頁數(shù): 4/8頁
文件大?。?/td> 209K
代理商: NDS9945
NDS9945 Rev.B
Figure 10. Single Pulse Maximum Power
Dissipation.
Figure 8. Capacitance Characteristics.
Figure 7. Gate Charge Characteristics.
Figure 9. Maximum Safe Operating Area
.
Typical Electrical Characteristics
(continued)
0.0001
0.001
0.01
0.1
t , TIME (sec)
1
10
100
300
0.001
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
T
r
Single Pulse
D = 0.5
0.1
0.05
0.02
0.01
0.2
Duty Cycle, D = t /t
2
R (t) = r(t) * R
R =
135
°C/W
T - T = P * R JA
P(pk)
t
1
t
2
Figure 11. Transient Thermal Response Curve.
Thermal characterization performed using the conditions described in Note 1c.
Transient thermal response will change depending on the circuit board design.
0
2
4
6
8
10
12
14
0
2
4
6
8
10
Q , GATE CHARGE (nC)
V
G
I = 3.5A
V = 10V
30V
40V
0.1
0.3
1
3
10
20
50
10
20
50
100
200
400
1000
V , DRAIN TO SOURCE VOLTAGE (V)
C
C ss
f = 1 MHz
V = 0 V
C ss
C ss
0.1
0.2
0.5
V , DRAIN-SOURCE VOLTAGE (V)
1
2
5
10
20
50
100
0.01
0.03
0.1
0.3
1
3
10
30
I
D
RDS(ON)LMT
DC
1s
100ms
10ms
1ms
V =10V
SINGLE PULSE
R = 135°C/W
T = 25°C
JA
100us
0
0.01
0.1
1
10
100
300
10
20
30
40
50
SINGLE PULSE TIME (SEC)
P
SINGLE PULSE
R =135°C/W
T = 25°C
JA
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