IRF6665
Current Regulator
Same Type as D.U.T.
50K ?
Vds
Vgs
Id
12V
.2 μ F
.3 μ F
- DS
V GS
3mA
D.U.T.
+
V
V gs(th)
I G
I D
Current Sampling Resistors
Qgs1 Qgs2
Qgd
Qgodr
Fig 17a. Gate Charge Test Circuit
D.U.T
+
Fig 17b. Gate Charge Waveform
+
?
-
Circuit Layout Considerations
? Low Stray Inductance
? Ground Plane
? Low Leakage Inductance
Current Transformer
?
-
-
?
+
?
R G
Driver Gate Drive
P.W.
?
?
?
?
Period
di/dt controlled by R G
Driver same type as D.U.T.
I SD controlled by Duty Factor "D"
D.U.T. - Device Under Test
D=
P.W.
Period
V DD
+
-
V GS =10V *
D.U.T. I SD Waveform
Reverse
Recovery
Current
Body Diode Forward
Current
di/dt
D.U.T. V DS Waveform
Diode Recovery
dv/dt
V DD
Inductor Curent
Re-Applied
Voltage
Body Diode
Inductor Current
Ripple  ≤  5%
Forward Drop
I SD
* V GS = 5V for Logic Level Devices
Fig 18. Diode Reverse Recovery Test Circuit for N-Channel
HEXFET ? Power MOSFETs
6
www.irf.com
相关PDF资料
IRF6668TR1 MOSFET N-CH 80V 55A DIRECTFET-MZ
IRF710STRLPBF MOSFET N-CH 400V 2.0A D2PAK
IRF7201TR MOSFET N-CH 30V 7.3A 8-SOIC
IRF7204 MOSFET P-CH 20V 5.3A 8-SOIC
IRF7207TR MOSFET P-CH 20V 5.4A 8-SOIC
IRF720 MOSFET N-CH 400V 3.3A TO-220AB
IRF7220 MOSFET P-CH 14V 11A 8-SOIC
IRF7233TR MOSFET P-CH 12V 9.5A 8-SOIC
相关代理商/技术参数
IRF6665TR1PBF 功能描述:MOSFET MOSFT 100V 62mOhm 19A 8.7nC Qg for Aud 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
IRF6665TR1PBF 制造商:International Rectifier 功能描述:MOSFET
IRF6665TRPBF 功能描述:MOSFET DIGITAL AUDIO 100V 1 N-CH HEXFET 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
IRF6668 制造商:International Rectifier 功能描述:TRANS MOSFET N-CH 80V 55A 7PIN DIRECT-FET MZ - Tape and Reel 制造商:International Rectifier 功能描述:MOSFET N-Ch 80V 55A Direct-FET MZ
IRF6668PBF 制造商:IRF 制造商全称:International Rectifier 功能描述:DirectFET Power MOSFET
IRF6668TR1 功能描述:MOSFET 80V 1 N-CH HEXFET 15mOhms 22nC 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
IRF6668TR1PBF 功能描述:MOSFET MOSFT 80V 55A 15mOhm 22nC Qg 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
IRF6668TRBF 制造商:IRF 制造商全称:International Rectifier 功能描述:DirectFET Power MOSFET