参数资料
型号: NDS8425
厂商: Fairchild Semiconductor
文件页数: 4/5页
文件大小: 0K
描述: MOSFET N-CH 20V 7.4A 8SOIC
产品培训模块: High Voltage Switches for Power Processing
产品变化通告: Mold Compound Change 12/Dec/2007
标准包装: 1
系列: PowerTrench®
FET 型: MOSFET N 通道,金属氧化物
FET 特点: 逻辑电平门
漏极至源极电压(Vdss): 20V
电流 - 连续漏极(Id) @ 25° C: 7.4A
开态Rds(最大)@ Id, Vgs @ 25° C: 22 毫欧 @ 7.4A,4.5V
Id 时的 Vgs(th)(最大): 1.5V @ 250µA
闸电荷(Qg) @ Vgs: 18nC @ 4.5V
输入电容 (Ciss) @ Vds: 1098pF @ 15V
功率 - 最大: 1W
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 标准包装
其它名称: NDS8425FSDKR
Typical Characteristics (continued)
5
4
I D = 7.4A
V DS = 5V
10V
1500
1200
C ISS
f = 1MHz
V GS = 0 V
3
2
15V
900
600
1
0
300
0
C OSS
C RSS
0
2
4
6
8
10
12
0.0
4.0
8.0
12.0
16.0
20.0
Q g , GATE CHARGE (nC)
Figure 7. Gate Charge Characteristics.
100
50
V DS , DRAIN TO SOURCE VOLTAGE (V)
Figure 8. Capacitance Characteristics.
R DS(ON) LIMIT
100 μ s
SINGLE PULSE
R θ JA = 125 C/W
T A = 25 C
10
1
1ms
10ms
100ms
1s
10s
40
30
o
o
DC
0.1
V GS = 4.5V
SINGLE PULSE
20
R θ JA = 125 C/W
T A = 25 C
0.01
0.001
o
o
10
0
0.1
1
10
100
0.001
0.01
0.1
1
10
100
V DS , DRAIN-SOURCE VOLTAGE (V)
Figure 9. Maximum Safe Operating Area.
t 1 , TIME (SEC)
Figure 10. Single Pulse Maximum
Power Dissipation.
1
D = 0.5
0.1
0.2
0.1
0.05
R θ JA (t) = r(t) + R θ JA
R θ JA = 125 °C/W
P(pk)
0.01
0.02
0.01
t 1
t 2
SINGLE PULSE
T J - T A = P * R θ JA (t)
Duty Cycle, D = t 1 / t 2
0.001
0.0001
0.001
0.01
0.1
1
10
100
1000
t 1 , TIME (sec)
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.
NDS8425 Rev D (W)
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