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參數(shù)資料
| 型號： | IRF7807V |
| 廠商： | International Rectifier |
| 英文描述： | N Channel Application Specific MOSFET |
| 中文描述： | ?頻道專用MOSFET的 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 159K |
| 代理商： | IRF7807V |
IRF7807V
4
www.irf.com
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.
Figure 3
Figure 4
Figure 2: Q
oss
Characteristic
For the synchronous MOSFET Q2, R
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
and re-
verse recovery charge Q
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
. 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
the MOSFET on, resulting in shoot-through current .
The ratio of Q
/Q
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.
3.3V Supply : Q1=Q2= IRF7807V
5.0V Supply : Q1=Q2= IRF7807V
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89
90
91
92
93
1
2
4
5
Load c3
E
Vin=24V
Vin=14V
Vin=10V
86
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89
90
91
92
93
94
95
1
2
3
4
5
Load current (A)
E
Vin=24V
Vin=14V
Vin=10V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IRF7807VD1 | 功能描述:MOSFET N-CH 30V 8.3A 8-SOIC RoHS:否 類別:分離式半導(dǎo)體產(chǎn)品 >> FET - 單 系列:FETKY™ 標準包裝:1,000 系列:MESH OVERLAY™ FET 型:MOSFET N 通道，金屬氧化物 FET 特點:邏輯電平門 漏極至源極電壓(Vdss):200V 電流 - 連續(xù)漏極(Id) @ 25° C:18A 開態(tài)Rds（最大）@ Id, Vgs @ 25° C:180 毫歐 @ 9A，10V Id 時的 Vgs(th)（最大）:4V @ 250µA 閘電荷(Qg) @ Vgs:72nC @ 10V 輸入電容 (Ciss) @ Vds:1560pF @ 25V 功率 - 最大:40W 安裝類型:通孔 封裝/外殼:TO-220-3 整包 供應(yīng)商設(shè)備封裝:TO-220FP 包裝:管件 |
| IRF7807VD1PBF | 功能描述:MOSFET FETKY 30V VBRDSS 25mOhms 9.5nC RoHS:否 制造商:STMicroelectronics 晶體管極性:N-Channel 汲極/源極擊穿電壓:650 V 閘/源擊穿電壓:25 V 漏極連續(xù)電流:130 A 電阻汲極/源極 RDS（導(dǎo)通）:0.014 Ohms 配置:Single 最大工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:Max247 封裝:Tube |
| IRF7807VD1TR | 功能描述:MOSFET N-CH 30V 8.3A 8-SOIC RoHS:否 類別:分離式半導(dǎo)體產(chǎn)品 >> FET - 單 系列:FETKY™ 標準包裝:1,000 系列:MESH OVERLAY™ FET 型:MOSFET N 通道，金屬氧化物 FET 特點:邏輯電平門 漏極至源極電壓(Vdss):200V 電流 - 連續(xù)漏極(Id) @ 25° C:18A 開態(tài)Rds（最大）@ Id, Vgs @ 25° C:180 毫歐 @ 9A，10V Id 時的 Vgs(th)（最大）:4V @ 250µA 閘電荷(Qg) @ Vgs:72nC @ 10V 輸入電容 (Ciss) @ Vds:1560pF @ 25V 功率 - 最大:40W 安裝類型:通孔 封裝/外殼:TO-220-3 整包 供應(yīng)商設(shè)備封裝:TO-220FP 包裝:管件 |
| IRF7807VD1TRPBF | 功能描述:MOSFET MOSFT w/Schttky 30V 8.3A 25mOhm 9.5nC RoHS:否 制造商:STMicroelectronics 晶體管極性:N-Channel 汲極/源極擊穿電壓:650 V 閘/源擊穿電壓:25 V 漏極連續(xù)電流:130 A 電阻汲極/源極 RDS（導(dǎo)通）:0.014 Ohms 配置:Single 最大工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:Max247 封裝:Tube |
| IRF7807VD2 | 功能描述:MOSFET N-CH 30V 8.3A 8-SOIC RoHS:否 類別:分離式半導(dǎo)體產(chǎn)品 >> FET - 單 系列:FETKY™ 標準包裝:1,000 系列:MESH OVERLAY™ FET 型:MOSFET N 通道，金屬氧化物 FET 特點:邏輯電平門 漏極至源極電壓(Vdss):200V 電流 - 連續(xù)漏極(Id) @ 25° C:18A 開態(tài)Rds（最大）@ Id, Vgs @ 25° C:180 毫歐 @ 9A，10V Id 時的 Vgs(th)（最大）:4V @ 250µA 閘電荷(Qg) @ Vgs:72nC @ 10V 輸入電容 (Ciss) @ Vds:1560pF @ 25V 功率 - 最大:40W 安裝類型:通孔 封裝/外殼:TO-220-3 整包 供應(yīng)商設(shè)備封裝:TO-220FP 包裝:管件 |
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