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IRFW634B Dataheets PDF



Part Number IRFW634B
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description N-Channel MOSFET
Datasheet IRFW634B DatasheetIRFW634B Datasheet (PDF)

IRFW634B / IRFI634B November 2001 IRFW634B / IRFI634B 250V N-Channel MOSFET General Description These N-Channel enhancement mode power field effect transistors are produced using Fairchild’s proprietary, planar, DMOS technology. This advanced technology has been especially tailored to minimize on-state resistance, provide superior switching performance, and withstand high energy pulse in the avalanche and commutation mode. These devices are well suited for high efficiency switching DC/DC conve.

  IRFW634B   IRFW634B



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IRFW634B / IRFI634B November 2001 IRFW634B / IRFI634B 250V N-Channel MOSFET General Description These N-Channel enhancement mode power field effect transistors are produced using Fairchild’s proprietary, planar, DMOS technology. This advanced technology has been especially tailored to minimize on-state resistance, provide superior switching performance, and withstand high energy pulse in the avalanche and commutation mode. These devices are well suited for high efficiency switching DC/DC converter and switch mode power supplies. Features • • • • • • 8.1A, 250V, RDS(on) = 0.45Ω @VGS = 10 V Low gate charge ( typical 29 nC) Low Crss ( typical 20 pF) Fast switching 100% avalanche tested Improved dv/dt capability D D ! ● ◀ ▲ ● ● G! G S D2-PAK IRFW Series G D S I2-PAK IRFI Series ! S Absolute Maximum Ratings Symbol VDSS ID IDM VGSS EAS IAR EAR dv/dt PD TC = 25°C unless otherwise noted Parameter Drain-Source Voltage - Continuous (TC = 25°C) Drain Current - Continuous (TC = 100°C) Drain Current - Pulsed (Note 1) IRFW634B / IRFI634B 250 8.1 5.1 32.4 ± 30 (Note 2) (Note 1) (Note 1) (Note 3) Units V A A A V mJ A mJ V/ns W W W/°C °C °C Gate-Source Voltage Single Pulsed Avalanche Energy Avalanche Current Repetitive Avalanche Energy Peak Diode Recovery dv/dt Power Dissipation (TA = 25°C) * 200 8.1 7.4 5.5 3.13 74 0.59 -55 to +150 300 TJ, Tstg TL Power Dissipation (TC = 25°C) - Derate above 25°C Operating and Storage Temperature Range Maximum lead temperature for soldering purposes, 1/8" from case for 5 seconds Thermal Characteristics Symbol RθJC RθJA RθJA Parameter Thermal Resistance, Junction-to-Case Thermal Resistance, Junction-to-Ambient * Thermal Resistance, Junction-to-Ambient Typ ---Max 1.69 40 62.5 Units °C/W °C/W °C/W * When mounted on the minimum pad size recommended (PCB Mount) ©2001 Fairchild Semiconductor Corporation Rev. B, November 2001 Free Datasheet http://www.datasheet4u.com/ IRFW634B / IRFI634B Electrical Characteristics Symbol Parameter TC = 25°C unless otherwise noted Test Conditions Min Typ Max Units Off Characteristics BVDSS ∆BVDSS / ∆TJ IDSS IGSSF IGSSR Drain-Source Breakdown Voltage Breakdown Voltage Temperature Coefficient Zero Gate Voltage Drain Current Gate-Body Leakage Current, Forward Gate-Body Leakage Current, Reverse VGS = 0 V, ID = 250 µA ID = 250 µA, Referenced to 25°C VDS = 250 V, VGS = 0 V VDS = 200 V, TC = 125°C VGS = 30 V, VDS = 0 V VGS = -30 V, VDS = 0 V 250 ------0.27 ------10 100 100 -100 V V/°C µA µA nA nA On Characteristics VGS(th) RDS(on) gFS Gate Threshold Voltage Static Drain-Source On-Resistance Forward Transconductance VDS = VGS, ID = 250 µA VGS = 10 V, ID = 4.05 A VDS = 40 V, ID = 4.05 A (Note 4) 2.0 --- -0.345 7.6 4.0 0.45 -- V Ω S Dynamic Characteristics Ciss Coss Crss Input Capacitance Output Capacitance Reverse Transfer Capacitance VDS = 25 V, VGS = 0 V, f = 1.0 MHz ---780 95 20 1000 125 25 pF pF pF Switching Characteristics td(on) tr td(off) tf Qg Qgs Qgd Turn-On Delay Time Turn-On Rise Time Turn-Off Delay Time Turn-Off Fall Time Total Gate Charge Gate-Source Charge Gate-Drain Charge VDS = 200 V, ID = 8.1 A, VGS = 10 V (Note 4, 5) VDD = 125 V, ID = 8.1 A, RG = 25 Ω (Note 4, 5) -------- 15 75 100 65 29 4.2 14 40 160 210 140 38 --- ns ns ns ns nC nC nC Drain-Source Diode Characteristics and Maximum Ratings IS ISM VSD trr Qrr Maximum Continuous Drain-Source Diode Forward Current Maximum Pulsed Drain-Source Diode Forward Current VGS = 0 V, IS = 8.1 A Drain-Source Diode Forward Voltage Reverse Recovery Time Reverse Recovery Charge VGS = 0 V, IS = 8.1 A, dIF / dt = 100 A/µs (Note 4) ------ ---170 0.91 8.1 32.4 1.5 --- A A V ns µC Notes: 1. Repetitive Rating : Pulse width limited by maximum junction temperature 2. L = 4.9mH, IAS = 8.1A, VDD = 50V, RG = 25 Ω, Starting TJ = 25°C 3. ISD ≤ 8.1A, di/dt ≤ 300A/µs, VDD ≤ BVDSS, Starting TJ = 25°C 4. Pulse Test : Pulse width ≤ 300µs, Duty cycle ≤ 2% 5. Essentially independent of operating temperature ©2001 Fairchild Semiconductor Corporation Rev. B, November 2001 Free Datasheet http://www.datasheet4u.com/ IRFW634B / IRFI634B Typical Characteristics 10 1 ID, Drain Current [A] ID, Drain Current [A] VGS 15.0 V 10.0 V 8.0 V 7.0 V 6.5 V 6.0 V 5.5 V Bottom : 5.0 V Top : 10 1 150 C o 10 0 10 0 25 C -55 C ※ Notes : 1. VDS = 40V 2. 250μ s Pulse Test o o ※ Notes : 1. 250μ s Pulse Test 2. TC = 25℃ 10 -1 10 -1 10 0 10 1 10 -1 2 4 6 8 10 VDS, Drain-Source Voltage [V] VGS, Gate-Source Voltage [V] Figure 1. On-Region Characteristics Figure 2. Transfer Characteristics 2.5 2.0 RDS(ON) [Ω ], Drain-Source On-Resistance VGS = 10V 10 1 1.5 VGS = 20V IDR, Reverse Drain Current [A] 1.0 10 0 150℃ 25℃ ※ Notes : 1. VGS = 0V 2. 250μ s Pulse Test 0.5 ※ Note : TJ = 25℃ 0.0 0 6 12 18 24 30 10 -1 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 ID, Drain Current [A] VSD, Source-Drain voltage [V] Figure 3. On-Resistance Variation vs Drain Current and Gate Voltag.


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