参数资料
型号: NDS9945
厂商: Fairchild Semiconductor
文件页数: 3/5页
文件大小: 0K
描述: MOSFET 2N-CH 60V 3.5A 8-SOIC
产品培训模块: High Voltage Switches for Power Processing
SMPS Power Switch
产品变化通告: Mold Compound Change 12/Dec/2007
标准包装: 1
FET 型: 2 个 N 沟道(双)
FET 特点: 逻辑电平门
漏极至源极电压(Vdss): 60V
电流 - 连续漏极(Id) @ 25° C: 3.5A
开态Rds(最大)@ Id, Vgs @ 25° C: 100 毫欧 @ 3.5A,10V
Id 时的 Vgs(th)(最大): 3V @ 250µA
闸电荷(Qg) @ Vgs: 30nC @ 10V
输入电容 (Ciss) @ Vds: 345pF @ 25V
功率 - 最大: 900mW
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: 剪切带 (CT)
其它名称: NDS9945CT
Typical Electrical Characteristics
20
V GS = 10V
6.0V
5.0V
2.5
2.25
V GS = 3.0V
15
4.5V
2
3.5 V
10
4.0V
1.75
4.0 V
5
3.5V
3.0V
1.5
1.25
1
4.5 V
5.0V
6.0V
10V
0
0
1
2
3
4
5
0.75
0
2
4
6
8
10
V
DS
, DRAIN-SOURCE VOLTAGE (V)
I D , DRAIN CURRENT (A)
Figure 1. On-Region Characteristics.
Figure 2. On-Resistance Variation with
Drain Current and Gate Voltage.
2
1.8
1.6
I D = 3.5A
V GS = 10V
0.4
0.3
I D = 2A
1.4
1.2
1
0.8
0.6
0.2
0.1
T A =125°C
T A =25°C
0.4
-50
-25
0
25
50
75
100
125
150
0
2
4
6
8
10
V
T , JUNCTION TEMPERATURE (°C)
J
GS
, GATE TO SOURCE VOLTAGE (V)
Figure 3. On-Resistance Variation With
Temperature.
Figure 4. On Resistance Variation with
Gate-to-Source Voltage.
10
8
V DS = 5V
T J = -55°C
25°C
125°C
10
5
3
V GS = 0V
TJ = 125°C
6
4
2
2
1
0.5
0.3
0.2
25°C
-55°C
0
1
1.5
2
2.5
3
3.5
4
4.5
5
0.1
0.4
0.6
0.8
1
1.2
V GS , GATE TO SOURCE VOLTAGE (V)
Figure 5 . Transfer Characteristics.
V SD , BODY DIODE FORWARD VOLTAGE (V)
Figure 6. Body Diode Forward Voltage
Variation with Source Current
and Temperature.
NDS9945 Rev.B
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