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参数资料
| 型号： | IRF7807VD2PBF |
| 厂商： | International Rectifier |
| 文件页数： | 4/9页 |
| 文件大小： | 0K |
| 描述： | MOSFET N-CH 30V 8.3A 8-SOIC |
| 标准包装： | 95 |
| 系列： | FETKY™ |
| FET 型： | MOSFET N 通道，金属氧化物 |
| FET 特点： | 二极管（隔离式） |
| 漏极至源极电压(Vdss)： | 30V |
| 电流 - 连续漏极(Id) @ 25° C： | 8.3A |
| 开态Rds（最大）@ Id, Vgs @ 25° C： | 25 毫欧 @ 7A，4.5V |
| Id 时的 Vgs(th)（最大）： | 1V @ 250µA |
| 闸电荷(Qg) @ Vgs： | 14nC @ 4.5V |
| 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-SO |
| 包装： | 管件 |
IRF7807VD2PbF
For the synchronous MOSFET Q2, R ds(on) is an im-
portant characteristic; however, once again the im-
portance of gate charge must not be overlooked since
it impacts three critical areas. Under light load the
MOSFET must still be turned on and off by the con-
trol IC so the gate drive losses become much more
significant. Secondly, the output charge Q oss and re-
verse recovery charge Q rr both generate losses that
are transfered to Q1 and increase the dissipation in
that device. Thirdly, gate charge will impact the
MOSFETs’ susceptibility to Cdv/dt turn on.
The drain of Q2 is connected to the switching node
of the converter and therefore sees transitions be-
tween ground and V in . As Q1 turns on and off there is
a rate of change of drain voltage dV/dt which is ca-
pacitively coupled to the gate of Q2 and can induce
a voltage spike on the gate that is sufficient to turn
Typical Mobile PC Application
The performance of these new devices has been tested
in circuit and correlates well with performance predic-
tions generated by the system models. An advantage of
this new technology platform is that the MOSFETs it
produces are suitable for both control FET and synchro-
nous FET applications. This has been demonstrated with
the 3.3V and 5V converters. (Fig 3 and Fig 4). In these
applications the same MOSFET IRF7807V was used for
both the control FET (Q1) and the synchronous FET
(Q2). This provides a highly effective cost/performance
solution.
3.3V Supply : Q1=Q2= IRF7807V
93
92
91
90
89
the MOSFET on, resulting in shoot-through current .
The ratio of Q gd /Q gs1 must be minimized to reduce the
potential for Cdv/dt turn on.
Spice model for IRF7807V can be downloaded in
machine readable format at www.irf.com.
Figure 2: Q oss Characteristic
5.0V Supply : Q1=Q2= IRF7807V
95
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93
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91
88
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Vin=24V
Vin=14V
Vin=10V
90
89
88
87
86
Vin=24V
Vin=14V
Vin=10V
1
2
3
Load current (A)
4
5
1
2
3
Load current (A)
4
5
4
Figure 3
Figure 4
www.irf.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IRF7807VD2TR | 功能描述:MOSFET N-CH 30V 8.3A 8-SOIC RoHS:否 类别:分离式半导体产品 >> FET - 单 系列:FETKY™ 标准包装:1,000 系列:MESH OVERLAY™ 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):200V 电流 - 连续漏极(Id) @ 25° C:18A 开态Rds（最大）@ Id, Vgs @ 25° C:180 毫欧 @ 9A，10V Id 时的 Vgs(th)（最大）:4V @ 250µA 闸电荷(Qg) @ Vgs:72nC @ 10V 输入电容 (Ciss) @ Vds:1560pF @ 25V 功率 - 最大:40W 安装类型:通孔 封装/外壳:TO-220-3 整包 供应商设备封装:TO-220FP 包装:管件 |
| IRF7807VD2TRPBF | 功能描述:MOSFET MOSFT w/Schttky 30V 8.3A 25mOhm 9.5nC 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 |
| IRF7807VPBF | 功能描述:MOSFET 30V 1 N-CH HEXFET 25mOhms 9.5nC 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 |
| IRF7807VTR | 功能描述:MOSFET N-CH 30V 8.3A 8-SOIC RoHS:否 类别:分离式半导体产品 >> FET - 单 系列:HEXFET® 标准包装:1,000 系列:MESH OVERLAY™ 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):200V 电流 - 连续漏极(Id) @ 25° C:18A 开态Rds（最大）@ Id, Vgs @ 25° C:180 毫欧 @ 9A，10V Id 时的 Vgs(th)（最大）:4V @ 250µA 闸电荷(Qg) @ Vgs:72nC @ 10V 输入电容 (Ciss) @ Vds:1560pF @ 25V 功率 - 最大:40W 安装类型:通孔 封装/外壳:TO-220-3 整包 供应商设备封装:TO-220FP 包装:管件 |
| IRF7807VTRPBF | 功能描述:MOSFET MOSFT 30V 8.3A 25mOhm 9.5nC 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 |
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