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| 型号： | MMSF7P03HDR2 |
| 厂商： | ON Semiconductor |
| 文件页数： | 5/8页 |
| 文件大小： | 0K |
| 描述： | MOSFET P-CH 30V 7A 8-SOIC |
| 产品变化通告： | LTB Notification 03/Jan/2008 |
| 标准包装： | 2,500 |
| FET 型： | MOSFET P 通道，金属氧化物 |
| FET 特点： | 逻辑电平门 |
| 漏极至源极电压(Vdss)： | 30V |
| 电流 - 连续漏极(Id) @ 25° C： | 7A |
| 开态Rds（最大）@ Id, Vgs @ 25° C： | 35 毫欧 @ 5.3A，10V |
| Id 时的 Vgs(th)（最大）： | 1V @ 250µA |
| 闸电荷(Qg) @ Vgs： | 75.8nC @ 6V |
| 输入电容 (Ciss) @ Vds： | 1680pF @ 24V |
| 功率 - 最大： | 2.5W |
| 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： | 带卷 (TR) |
MMSF7P03HD
100
0
T J = 25 ° C
I D = 7.0 A
V DD = 15 V
t d(off)
100
V GS = 10 V
t f
t r
10
1.0
t d(on)
1.0
10
100
R G , GATE RESISTANCE ( W )
Figure 9. Resistive Switching Time Variation
versus Gate Resistance
DRAIN?TO?SOURCE DIODE CHARACTERISTICS
The switching characteristics of a MOSFET body diode
are very important in systems using it as a freewheeling or
commutating diode. Of particular interest are the reverse
recovery characteristics which play a major role in
determining switching losses, radiated noise, EMI and RFI.
System switching losses are largely due to the nature of
the body diode itself. The body diode is a minority carrier
device, therefore it has a finite reverse recovery time, t rr , due
to the storage of minority carrier charge, Q RR , as shown in
the typical reverse recovery wave form of Figure 11. It is this
stored charge that, when cleared from the diode, passes
through a potential and defines an energy loss. Obviously,
repeatedly forcing the diode through reverse recovery
further increases switching losses. Therefore, one would
like a diode with short t rr and low Q RR specifications to
minimize these losses.
The abruptness of diode reverse recovery effects the
amount of radiated noise, voltage spikes, and current
ringing. The mechanisms at work are finite irremovable
circuit parasitic inductances and capacitances acted upon by
high di/dts. The diode’s negative di/dt during t a is directly
controlled by the device clearing the stored charge.
However, the positive di/dt during t b is an uncontrollable
diode characteristic and is usually the culprit that induces
current ringing. Therefore, when comparing diodes, the
ratio of t b /t a serves as a good indicator of recovery
abruptness and thus gives a comparative estimate of
probable noise generated. A ratio of 1 is considered ideal and
values less than 0.5 are considered snappy.
Compared to ON Semiconductor standard cell density
low voltage MOSFETs, high cell density MOSFET diodes
are faster (shorter t rr ), have less stored charge and a softer
reverse recovery characteristic. The softness advantage of
the high cell density diode means they can be forced through
reverse recovery at a higher di/dt than a standard cell
MOSFET diode without increasing the current ringing or the
noise generated. In addition, power dissipation incurred
from switching the diode will be less due to the shorter
recovery time and lower switching losses.
6.0
5.0
T J = 25 ° C
di/dt = 300 A/ m s
Standard Cell Density
t rr
High Cell Density
4.0
V GS = 0 V
t a
t rr
t b
3.0
2.0
1.0
0
0.50 0.55 0.60
0.65 0.70 0.75 0.80 0.85 0.90 0.95
V SD , SOURCE?TO?DRAIN VOLTAGE (VOLTS)
Figure 10. Diode Forward Voltage versus Current
http://onsemi.com
5
t, TIME
Figure 11. Reverse Recovery Time (t rr )
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MMSF7P03HDR2G | 功能描述:MOSFET PFET SO8S 30V 7A 35mOhm RoHS:否 制造商:STMicroelectronics 晶体管极性:N-Channel 汲极/源极击穿电压:650 V 闸/源击穿电压:25 V 漏极连续电流:130 A 电阻汲极/源极 RDS（导通）:0.014 Ohms 配置:Single 最大工作温度: 安装风格:Through Hole 封装 / 箱体:Max247 封装:Tube |
| MM-SIO-R-01 | 功能描述:单板计算机 MiniModule Super I/O for CM 730 Legacy IO RoHS:否 制造商:Ampro By ADLINK 外观尺寸:EPIC 处理器类型:Intel Atom D510 频率:1.66 GHz 存储容量:2 GB (max) 存储类型:DDR2, L2 Cache 接口类型:Ethernet, PS/2, SATA, Serial, USB 工作电源电压:5 V, 12 V 功耗:13 W 最大工作温度:+ 70 C 尺寸:165.1 mm x 114.3 mm |
| MMSKG1 | 制造商:Siemens 功能描述: |
| MMSL101 | 制造商:Preh Elec. 功能描述: |
| MM-SMART-10 | 制造商:IDEC Corporation 功能描述:Starter Kit; UL Listed, CE Certified 制造商:IDEC Corporation 功能描述:PROGRAMMABLE LOGIC CONTROLLER; For Use With:MicroSmart series PLCs; Supply Voltage:24VDC ;RoHS Compliant: Yes 制造商:IDEC Corporation 功能描述:MicroSmart Starter Kit For Programmable Logic Controllers 制造商:IDEC CORPORATION 功能描述:MicroSmart Starter Kit w/ FC4A |
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